Dam [ 7] Height Year removed Location Watercourse Watershed Furnace Run Dam 19 ft (5.8 m) 2022 Ligonier 40°12′34″N 79°10′48″W / 40.2094°N 79.18°W / 40.2094; -79.18 (Furnace Run Dam ) Furnace Run Allegheny River Kohut Pond Dam 12 ft (3.7 m) 2005 Ligonier 40°16′02″N 79°07′44″W / 40.2671°N 79.1289°W / 40.2671; -79.1289 (Kohut Pond Dam ) Hess Run Rolling Rock Dams 3 ft (0.91 m) 2008 Ligonier 40°10′17″N 79°11′33″W / 40.1714°N 79.1926°W / 40.1714; -79.1926 (Rolling Rock Dams ) Rolling Rock Creek Unnamed dam 2000 Ridgway 41°25′59″N 78°44′11″W / 41.4331°N 78.7363°W / 41.4331; -78.7363 Clarion River Bendigo State Park Dam 5 ft (1.5 m) 2010 Wilcox 41°31′40″N 78°37′48″W / 41.5278°N 78.6299°W / 41.5278; -78.6299 (Bendigo State Park Dam ) East Branch Clarion River Laurel Run Reservoir Dam 37 ft (11 m) 2001 St. Marys 41°22′58″N 78°33′07″W / 41.3827°N 78.552°W / 41.3827; -78.552 (Laurel Run Reservoir Dam ) Laurel Run West Leechburg Dam 45 ft (14 m) 2010 West Leechburg 40°38′27″N 79°37′04″W / 40.6407°N 79.6178°W / 40.6407; -79.6178 (West Leechburg Dam ) West Branch Penn Run Bear Rock Run Dam 1 30 ft (9.1 m) 2007 Johnstown 40°24′37″N 78°35′01″W / 40.4102°N 78.5836°W / 40.4102; -78.5836 (Bear Rock Run Dam 1 ) Bear Rock Run Bear Rock Run Dam 2 30 ft (9.1 m) 2007 Johnstown 40°24′45″N 78°35′05″W / 40.4124°N 78.5846°W / 40.4124; -78.5846 (Bear Rock Run Dam 2 ) Bear Rock Run Ben's Creek Intake Dam 6 ft (1.8 m) 2005 Lilly 40°23′44″N 78°36′50″W / 40.3955°N 78.614°W / 40.3955; -78.614 (Ben's Creek Intake Dam ) Ben's Creek Clear Shade Creek Reservoir Dam 14 ft (4.3 m) 1998 Shade Township 40°08′59″N 78°46′57″W / 40.1497°N 78.7824°W / 40.1497; -78.7824 (Clear Shade Creek Reservoir Dam ) Clear Shade Creek Barr Slope Reservoir Dam 27 ft (8.2 m) 2009 Clymer 40°42′46″N 79°00′26″W / 40.7128°N 79.0073°W / 40.7128; -79.0073 (Barr Slope Reservoir Dam ) Tributary to Dixon Run Findley Run Dam 2000 East Wheatfield Township 40°25′16″N 78°58′20″W / 40.4211°N 78.9723°W / 40.4211; -78.9723 (Findley Run Dam ) Findley Run Altimus Dam 2008 Bolivar 40°21′42″N 79°08′13″W / 40.3617°N 79.137°W / 40.3617; -79.137 (Altimus Dam ) Hendricks Creek Commodore Dam 16 ft (4.9 m) 2014 Commodore 40°42′47″N 78°56′21″W / 40.7131°N 78.9392°W / 40.7131; -78.9392 (Commodore Dam ) Hinty Run Manners Run Dam 2008 Johnstown 40°17′48″N 78°53′36″W / 40.2967°N 78.8933°W / 40.2967; -78.8933 (Manners Run Dam ) Manners Run Lloydell Reservoir Dam 5 ft (1.5 m) 2005 Sidman 40°18′31″N 78°41′07″W / 40.3085°N 78.6852°W / 40.3085; -78.6852 (Lloydell Reservoir Dam ) South Fork Little Conemaugh River Boswell Dam 14 ft (4.3 m) 2012 Boswell 40°09′24″N 79°01′35″W / 40.1567°N 79.0264°W / 40.1567; -79.0264 (Boswell Dam ) Tributary to Quemahoning Creek SunRay Dam (Hospital Dam) and unnamed remnant 10 ft (3.0 m) 2014 North Warren 41°52′49″N 79°08′25″W / 41.8803°N 79.1402°W / 41.8803; -79.1402 (SunRay Dam (Hospital Dam) and unnamed remnant ) Conewango Creek Carters Dam 6 ft (1.8 m) 2009 Warren 41°50′41″N 79°08′23″W / 41.8448°N 79.1396°W / 41.8448; -79.1396 (Carters Dam ) Conewango Dam 2009 Warren 41°50′40″N 79°08′23″W / 41.8445°N 79.1398°W / 41.8445; -79.1398 (Conewango Dam ) Brown's Pond Dam 2024 Warren 41°57′18″N 79°15′34″W / 41.9549°N 79.2594°W / 41.9549; -79.2594 (Brown's Pond Dam ) Mud Run Cross Dam 20 ft (6.1 m) 2013 Hayfield Township 41°44′21″N 80°11′05″W / 41.7392°N 80.1847°W / 41.7392; -80.1847 (Cross Dam ) Brookhouser Creek Cussewago Dam 8 ft (2.4 m) 2023 Meadville 41°38′48″N 80°10′06″W / 41.6468°N 80.1682°W / 41.6468; -80.1682 (Cussewago Dam ) Cussewago Creek SGL#69 Dam 13 2015 Guys Mills 41°38′07″N 79°53′48″W / 41.6354°N 79.8967°W / 41.6354; -79.8967 (SGL#69 Dam 13 ) West Branch Sugar Creek Pittsburgh Cut Flower Lower Dam 17 ft (5.2 m) 2020 Allegheny 40°39′19″N 79°59′00″W / 40.6554°N 79.9833°W / 40.6554; -79.9833 (Pittsburgh Cut Flower Lower Dam ) Montour Run Pittsburgh Cut Flower Upper Dam 18 ft (5.5 m) 2020 Allegheny 40°39′27″N 79°58′53″W / 40.6574°N 79.9815°W / 40.6574; -79.9815 (Pittsburgh Cut Flower Upper Dam ) Smethport Reservoir Dam 21 ft (6.4 m) 2009 Smethport 41°48′35″N 78°29′38″W / 41.8098°N 78.494°W / 41.8098; -78.494 (Smethport Reservoir Dam ) Blacksmith Run Firepond Dam 5 ft (1.5 m) 2016 Mead Township 41°47′54″N 79°06′03″W / 41.7983°N 79.1008°W / 41.7983; -79.1008 (Firepond Dam ) Dutchman Run War Dam 10 ft (3.0 m) 2011 Clarendon 41°49′04″N 79°06′40″W / 41.8179°N 79.1111°W / 41.8179; -79.1111 (War Dam ) Morrison Run Old Skinner Dam 4 ft (1.2 m) 2013 Liberty Township 41°47′17″N 78°19′06″W / 41.7881°N 78.3183°W / 41.7881; -78.3183 (Old Skinner Dam ) Skinner Creek Sherwood Hollow Dam 10 ft (3.0 m) 2013 Liberty Township 41°47′35″N 78°19′26″W / 41.7931°N 78.3238°W / 41.7931; -78.3238 (Sherwood Hollow Dam ) Skinner Creek Savan Dam 2010 Rochester Mills 40°49′14″N 78°59′38″W / 40.8205°N 78.9938°W / 40.8205; -78.9938 (Savan Dam ) Little Mahoning Creek Johns Run Dam 4 ft (1.2 m) 2018 Heath Township 41°20′38″N 79°00′46″W / 41.344°N 79.0127°W / 41.344; -79.0127 (Johns Run Dam ) Johns Run Piffer Dam 2007 Franklin 41°22′31″N 79°55′44″W / 41.3754°N 79.929°W / 41.3754; -79.929 (Piffer Dam ) Tributary to Little Sandy Creek Two Mile Run Dam 3 ft (0.91 m) 2014 Ludlow 41°43′12″N 78°55′29″W / 41.7201°N 78.9246°W / 41.7201; -78.9246 (Two Mile Run Dam ) Two Mile Run Pulaski Mills Dam 8 ft (2.4 m) 2015 Pulaski Township 41°06′40″N 80°26′13″W / 41.1112°N 80.4369°W / 41.1112; -80.4369 (Pulaski Mills Dam ) Shenango River Beaver River Castleview Lower Dam 5 ft (1.5 m) 2013 Wampum 41°02′34″N 80°21′23″W / 41.0429°N 80.3563°W / 41.0429; -80.3563 (Castleview Lower Dam ) Boydstown Dam 28 ft (8.5 m) 2009 Butler 40°56′20″N 79°50′34″W / 40.939°N 79.8428°W / 40.939; -79.8428 (Boydstown Dam ) Connoquenessing Creek Collapsible Butler Dam 2009 Butler 40°51′17″N 79°53′42″W / 40.8548°N 79.8949°W / 40.8548; -79.8949 (Collapsible Butler Dam ) Harmony Junction Dam 8.5 ft (2.6 m) 2009 Butler 40°47′50″N 80°06′16″W / 40.7971°N 80.1044°W / 40.7971; -80.1044 (Harmony Junction Dam ) Renfrew Dam (Glass Factory Dam) 10 ft (3.0 m) 2022 Renfrew 40°48′25″N 79°57′19″W / 40.807°N 79.9552°W / 40.807; -79.9552 (Renfrew Dam (Glass Factory Dam) ) Duck Pond Dam 6 ft (1.8 m) 2014 Portersville 40°58′09″N 80°01′13″W / 40.9693°N 80.0202°W / 40.9693; -80.0202 (Duck Pond Dam ) Muddy Run Scholars Run Diversion Dam 5 ft (1.5 m) 2015 Zelienople 40°48′22″N 80°08′00″W / 40.8061°N 80.1333°W / 40.8061; -80.1333 (Scholars Run Diversion Dam ) Scholars Run Fairless Murray Dam 2010 Ellwood City 40°53′06″N 80°13′51″W / 40.885°N 80.2307°W / 40.885; -80.2307 (Fairless Murray Dam ) Slippery Rock Creek Slippery Rock-Wortemburg Pump Dam 2021 West Liberty 40°51′29″N 80°15′20″W / 40.858°N 80.2555°W / 40.858; -80.2555 (Slippery Rock-Wortemburg Pump Dam ) Founders Hall Bridge Dam 4 ft (1.2 m) 2024 Butler 41°03′48″N 80°02′30″W / 41.0633°N 80.0416°W / 41.0633; -80.0416 (Founders Hall Bridge Dam ) Tributary to Slippery Rock Creek Founders Hall Dam 4 ft (1.2 m) 2024 Butler 41°03′50″N 80°02′28″W / 41.064°N 80.0412°W / 41.064; -80.0412 (Founders Hall Dam ) Tributary to Slippery Rock Creek Gabion Dam 4 ft (1.2 m) 2024 Butler 41°03′54″N 80°02′25″W / 41.0651°N 80.0402°W / 41.0651; -80.0402 (Gabion Dam ) Tributary to Slippery Rock Creek Rock Apartments Dam 4 ft (1.2 m) 2024 Butler 41°03′53″N 80°02′25″W / 41.0647°N 80.0404°W / 41.0647; -80.0404 (Rock Apartments Dam ) Tributary to Slippery Rock Creek Slippery Rock Dam 4 ft (1.2 m) 2024 Butler 41°03′42″N 80°02′30″W / 41.0616°N 80.0417°W / 41.0616; -80.0417 (Slippery Rock Dam ) Tributary to Slippery Rock Creek Stadium Drive Dam 4 ft (1.2 m) 2024 Butler 41°03′36″N 80°02′31″W / 41.0599°N 80.0419°W / 41.0599; -80.0419 (Stadium Drive Dam ) Tributary to Slippery Rock Creek Upper Grove City Dam 5.5 ft (1.7 m) 2004 Grove City 41°10′02″N 80°04′48″W / 41.1671°N 80.08°W / 41.1671; -80.08 (Upper Grove City Dam ) Wolf Creek Main Street Dam 12 ft (3.7 m) 2005 Grove City 41°09′18″N 80°05′07″W / 41.1551°N 80.0852°W / 41.1551; -80.0852 (Main Street Dam ) Crystal Springs Dam Parkesburg 39°55′54″N 75°54′52″W / 39.9318°N 75.9145°W / 39.9318; -75.9145 (Crystal Springs Dam ) Birch Run Christina River Lenape Cabin Club Dam 3 ft (0.91 m) 2021 Pocopson Township 39°55′00″N 75°38′14″W / 39.9168°N 75.6371°W / 39.9168; -75.6371 (Lenape Cabin Club Dam ) Brandywine Creek Stroud Preserve Dam 2010 West Chester 39°56′55″N 75°39′17″W / 39.9485°N 75.6547°W / 39.9485; -75.6547 (Stroud Preserve Dam ) Tributary to East Branch Brandywine Creek Downing Ridge Dam 5.25 ft (1.60 m) 2018 Downingtown 40°01′16″N 75°42′23″W / 40.021°N 75.7063°W / 40.021; -75.7063 (Downing Ridge Dam ) East Branch Brandywine Creek Cupola Dam 8.5 ft (2.6 m) 2012 Honey Brook 40°05′54″N 75°50′45″W / 40.0983°N 75.8457°W / 40.0983; -75.8457 (Cupola Dam ) Lewis Mill Dam 8.5 ft (2.6 m) 2012 Honey Brook 40°06′03″N 75°50′30″W / 40.1008°N 75.8418°W / 40.1008; -75.8418 (Lewis Mill Dam ) Nixon Park Dam 2 ft (0.61 m) 2021 Kennett Township 39°51′07″N 75°42′37″W / 39.852°N 75.7103°W / 39.852; -75.7103 (Nixon Park Dam ) East Branch Red Clay Creek White Clay Creek #1 1938 London Grove 39°51′18″N 75°47′04″W / 39.8549°N 75.7844°W / 39.8549; -75.7844 (White Clay Creek #1 ) East Branch White Clay Creek Unnamed dam 2.5 ft (0.76 m) 2008 Doylestown 40°15′57″N 75°07′34″W / 40.2657°N 75.1262°W / 40.2657; -75.1262 Tributary to Neshaminy Creek Delaware River Han Maum Dam 2014 Canadensis 41°12′07″N 75°15′22″W / 41.202°N 75.2562°W / 41.202; -75.2562 (Han Maum Dam ) Tributary to Leavitt Branch Broadhead Creek Unnamed dam 6 ft (1.8 m) 1998 Tributary to Tinicum Creek Ridge Dam 2022 Wayne 41°31′57″N 75°20′10″W / 41.5326°N 75.3362°W / 41.5326; -75.3362 (Ridge Dam ) Pond Brook Red Shale Dam 2003 Hawley 41°28′53″N 75°13′58″W / 41.4814°N 75.2327°W / 41.4814; -75.2327 (Red Shale Dam ) Red Shale Brook Darby Borough Dam 6 ft (1.8 m) 2012 Darby 39°55′16″N 75°16′02″W / 39.9212°N 75.2671°W / 39.9212; -75.2671 (Darby Borough Dam ) Darby Creek Kent Park Dam 10 ft (3.0 m) 2012 Drexel Hill 39°56′05″N 75°17′18″W / 39.9347°N 75.2883°W / 39.9347; -75.2883 (Kent Park Dam ) Hoffman Park Dam 4 ft (1.2 m) 2012 Lansdowne 39°55′55″N 75°17′01″W / 39.9319°N 75.2836°W / 39.9319; -75.2836 (Hoffman Park Dam ) Spring Dam 2005 Huntingdon Valley 40°07′20″N 75°04′19″W / 40.1221°N 75.0719°W / 40.1221; -75.0719 (Spring Dam ) Pennypack Creek Frankford Dam 10–15 ft (3.0–4.6 m) 2006 Philadelphia 40°02′41″N 75°01′13″W / 40.0448°N 75.0204°W / 40.0448; -75.0204 (Frankford Dam ) Rhawn Street Dam 2006 Philadelphia 40°02′51″N 75°01′59″W / 40.0476°N 75.0331°W / 40.0476; -75.0331 (Rhawn Street Dam ) Lorimer Park Dam 5 ft (1.5 m) 2007 Philadelphia 40°06′46″N 75°04′25″W / 40.1129°N 75.0736°W / 40.1129; -75.0736 (Lorimer Park Dam ) Irving Mill Dam 12 ft (3.7 m) 2004 Chester 39°52′24″N 75°21′30″W / 39.8733°N 75.3584°W / 39.8733; -75.3584 (Irving Mill Dam ) Ridley Creek Hershey's Mill Dam #2 6.8 ft (2.1 m) 2016 East Goshen Township 40°00′18″N 75°34′10″W / 40.0049°N 75.5695°W / 40.0049; -75.5695 (Hershey's Mill Dam #2 ) Sharpless Dam 12 ft (3.7 m) 2005 Wallingford 39°52′20″N 75°22′20″W / 39.8721°N 75.3723°W / 39.8721; -75.3723 (Sharpless Dam ) Okehocking Preserve Dam 5 ft (1.5 m) 2008 Willistown 39°58′06″N 75°29′02″W / 39.9682°N 75.484°W / 39.9682; -75.484 (Okehocking Preserve Dam ) Trexler Dam 15 ft (4.6 m) 2018 Lowhill Township 40°38′25″N 75°37′33″W / 40.6403°N 75.6258°W / 40.6403; -75.6258 (Trexler Dam Removal ) Thicket Run Summit Hill Dam 9 ft (2.7 m) 2015 Newtown Square 40°00′39″N 75°23′19″W / 40.0108°N 75.3885°W / 40.0108; -75.3885 (Summit Hill Dam ) Tributary to Darby Creek Unnamed dam 10 ft (3.0 m) 2009 Aston 39°53′15″N 75°26′38″W / 39.8875°N 75.4439°W / 39.8875; -75.4439 West Branch Chester Creek Unnamed Upper Dam 12 ft (3.7 m) 2010 Aston 39°53′04″N 75°26′46″W / 39.8845°N 75.4461°W / 39.8845; -75.4461 (Unnamed Upper Dam ) Lakewood Retreat Dam 2007 East Stroudsburg 41°03′20″N 75°13′26″W / 41.0555°N 75.2239°W / 41.0555; -75.2239 (Lakewood Retreat Dam ) Tributary to Brodhead Creek Rakes Pond Dam 10 ft (3.0 m) 2012 Monroe County 41°03′23″N 75°06′09″W / 41.0564°N 75.1026°W / 41.0564; -75.1026 (Rakes Pond Dam ) Pond Creek Gorson Dam 11 ft (3.4 m) 2017 Dingmans Ferry 41°10′51″N 74°56′05″W / 41.1808°N 74.9346°W / 41.1808; -74.9346 (Gorson Dam ) Tributary to Delaware River Ingham Creek Dam 24 ft (7.3 m) 2015 Solebury Township 40°21′15″N 74°59′20″W / 40.3541°N 74.989°W / 40.3541; -74.989 (Ingham Creek Dam ) Aquetong Creek City of Easton Lower Dam (Recycling Center Dam) 10 ft (3.0 m) 2024 Easton 40°41′36″N 75°12′59″W / 40.6932°N 75.2165°W / 40.6932; -75.2165 (City of Easton Lower Dam (Recycling Center Dam) ) Bushkill Creek Lafayette College Dam 10 ft (3.0 m) 2023 Northampton County 40°41′50″N 75°13′35″W / 40.6971°N 75.2264°W / 40.6971; -75.2264 (Lafayette College Dam ) Aluta Mill Road Dam 4 ft (1.2 m) 2021 Northampton County 40°46′16″N 75°18′50″W / 40.771°N 75.3138°W / 40.771; -75.3138 (Aluta Mill Road Dam ) Crayola Dam (Water Power Dam) 10 ft (3.0 m) 2021 Palmer Township 40°42′07″N 75°14′33″W / 40.702°N 75.2425°W / 40.702; -75.2425 (Crayola Dam (Water Power Dam) ) Bushkill Dam No. 3 (Silk Masters Dam) 4 ft (1.2 m) 2023 Easton 40°41′56″N 75°13′26″W / 40.6989°N 75.224°W / 40.6989; -75.224 (Bushkill Dam No. 3 (Silk Masters Dam) ) Durham Dam 10 ft (3.0 m) 2004 Riegelsville 40°34′49″N 75°12′00″W / 40.5804°N 75.2°W / 40.5804; -75.2 (Durham Dam ) Cooks Creek Stutz Dam 8 ft (2.4 m) 2023 Bucks County 40°33′33″N 75°11′59″W / 40.5591°N 75.1997°W / 40.5591; -75.1997 (Stutz Dam ) Tributary to Delaware River Lake Poco Dam 13 ft (4.0 m) 2009 Mt. Bethel 40°54′34″N 75°08′03″W / 40.9095°N 75.1342°W / 40.9095; -75.1342 (Lake Poco Dam ) Tributary to Jacoby Creek Lochner Dam 7 ft (2.1 m) 2006 Pipersville 40°27′28″N 75°04′59″W / 40.4579°N 75.083°W / 40.4579; -75.083 (Lochner Dam ) Smithtown Creek Ward Dam 8 ft (2.4 m) 2006 Pipersville 40°27′35″N 75°04′47″W / 40.4596°N 75.0796°W / 40.4596; -75.0796 (Ward Dam ) Smithtown Creek Ralph Stover Dam 5 ft (1.5 m) 2008 Pipersville 40°26′12″N 75°06′01″W / 40.4366°N 75.1003°W / 40.4366; -75.1003 (Ralph Stover Dam ) Tohickon Creek Haskins Dam 5 ft (1.5 m) 2019 Quakertown 40°26′30″N 75°16′12″W / 40.4417°N 75.27°W / 40.4417; -75.27 (Haskins Dam ) Wagners Dam 2018 Monroe County 40°56′20″N 75°23′34″W / 40.939°N 75.3929°W / 40.939; -75.3929 (Wagners Dam ) McMichael Creek Beaver Pond Dam 26 ft (7.9 m) 2016 Buckingham Township 41°53′46″N 75°17′46″W / 41.896°N 75.2961°W / 41.896; -75.2961 (Beaver Pond Dam ) Stockport Creek Tyler Hill Dam 13 ft (4.0 m) 2017 Damascus Township 41°41′27″N 75°06′48″W / 41.6907°N 75.1134°W / 41.6907; -75.1134 (Tyler Hill Dam ) Sunny Brook Old Furnace Dam 8 ft (2.4 m) 2006 Orbisonia 40°14′14″N 77°53′29″W / 40.2371°N 77.8913°W / 40.2371; -77.8913 (Old Furnace Dam ) Black Log Creek Juniata River Unnamed dam 9 ft (2.7 m) 1998 Mifflin County 40°38′36″N 77°34′43″W / 40.6434°N 77.5787°W / 40.6434; -77.5787 Kishacoquillas Creek Hackenberg Dam 4 ft (1.2 m) 2006 Lewistown 40°33′25″N 77°41′02″W / 40.557°N 77.6839°W / 40.557; -77.6839 (Hackenberg Dam ) Strodes Run Reedsville Milling Company Dam 14 ft (4.3 m) 2004 Burnham 40°40′02″N 77°35′57″W / 40.6671°N 77.5991°W / 40.6671; -77.5991 (Reedsville Milling Company Dam ) Tea Creek Brush Mountain Dam 8 ft (2.4 m) 2024 Hollidaysburg 40°27′55″N 78°21′50″W / 40.4654°N 78.3638°W / 40.4654; -78.3638 (Brush Mountain Dam ) Brush Creek Kladder Dam 10 ft (3.0 m) 2014 Hollidaysburg 40°23′24″N 78°23′19″W / 40.39°N 78.3885°W / 40.39; -78.3885 (Kladder Dam ) Frankstown Branch Juniata River Williamsburg Station Dam 13 ft (4.0 m) 1996 Williamsburg 40°28′18″N 78°12′30″W / 40.4716°N 78.2082°W / 40.4716; -78.2082 (Williamsburg Station Dam ) Maple Hollow Reservoir Dam (Ducansville Reservoir) 22 ft (6.7 m) 1995 Duncansville 40°26′24″N 78°29′12″W / 40.4399°N 78.4868°W / 40.4399; -78.4868 (Maple Hollow Reservoir Dam (Ducansville Reservoir) ) Gillians Run Rose Hill Intake Dam 12 ft (3.7 m) 1998 Altoona 40°30′57″N 78°21′38″W / 40.5159°N 78.3606°W / 40.5159; -78.3606 (Rose Hill Intake Dam ) Kettle Creek Wolf Mill Dam 5 ft (1.5 m) 2011 Tyrone 40°40′36″N 78°12′05″W / 40.6768°N 78.2013°W / 40.6768; -78.2013 (Wolf Mill Dam ) Tributary to Logan Spring Run Snare Run Reservoir Dam 22 ft (6.7 m) 2009 Williamsburg 40°28′22″N 78°09′45″W / 40.4727°N 78.1626°W / 40.4727; -78.1626 (Snare Run Reservoir Dam ) Snare Run Unnamed dam 12 ft (3.7 m) 2015 Taylor Township 40°23′26″N 78°23′11″W / 40.3906°N 78.3865°W / 40.3906; -78.3865 Tributary to Frankstown Branch Juniata River Trough Creek Dam 8 ft (2.4 m) 2013 Todd Township 40°19′56″N 78°07′29″W / 40.3322°N 78.1248°W / 40.3322; -78.1248 (Trough Creek Dam ) Great Trough Creek Behrend Capped Waterfall Dam 2.5 ft (0.76 m) 2007 Erie 42°07′25″N 79°59′49″W / 42.1235°N 79.9969°W / 42.1235; -79.9969 (Behrend Capped Waterfall Dam ) Fourmile Creek Lake Erie Spring Creek Inc. Dam 2 ft (0.61 m) 2007 Erie 42°08′02″N 80°00′18″W / 42.1339°N 80.005°W / 42.1339; -80.005 (Spring Creek Inc. Dam ) Glenwood Dam 3 ft (0.91 m) 2010 Erie 42°05′48″N 80°04′31″W / 42.0967°N 80.0753°W / 42.0967; -80.0753 (Glenwood Dam ) Mill Creek Packerton Dam 2004 Lehighton 40°50′42″N 75°43′42″W / 40.845°N 75.7284°W / 40.845; -75.7284 (Packerton Dam ) Beaver Run Lehigh River Cedar Creek Dam #1 2001 Allentown 40°34′38″N 75°32′21″W / 40.5773°N 75.5391°W / 40.5773; -75.5391 (Cedar Creek Dam #1 ) Cedar Creek Dorney Park Dam 2001 Allentown 40°34′45″N 75°32′08″W / 40.5791°N 75.5355°W / 40.5791; -75.5355 (Dorney Park Dam ) Egypt Plant Dam 2015 Coplay 40°40′23″N 75°32′11″W / 40.673°N 75.5364°W / 40.673; -75.5364 (Egypt Plant Dam ) Coplay Creek Egypt Quarry Dam 4 ft (1.2 m) 2015 Coplay 40°40′39″N 75°31′31″W / 40.6775°N 75.5253°W / 40.6775; -75.5253 (Egypt Quarry Dam ) Dilldown Creek Dam 6 ft (1.8 m) 2024 Tunkhannock Township 41°02′07″N 75°32′37″W / 41.0354°N 75.5435°W / 41.0354; -75.5435 (Dilldown Creek Dam ) Dilldown Creek Lower Saucon Sportsmens Association Dam 2 ft (0.61 m) 2010 Lower Saucon Township 40°36′05″N 75°20′47″W / 40.6013°N 75.3464°W / 40.6013; -75.3464 (Lower Saucon Sportsmens Association Dam ) East Branch Saucon Creek Atlas Dam 12 ft (3.7 m) 2014 Northampton 40°41′18″N 75°29′00″W / 40.6882°N 75.4833°W / 40.6882; -75.4833 (Atlas Dam ) Hokendauqua Creek Unnamed dam 3 ft (0.91 m) 2009 Allentown 40°38′04″N 75°31′56″W / 40.6345°N 75.5323°W / 40.6345; -75.5323 Jordan Creek Jordan Park Dam 3.5 ft (1.1 m) 2013 Allentown 40°37′11″N 75°28′35″W / 40.6196°N 75.4765°W / 40.6196; -75.4765 (Jordan Park Dam ) McArthur Road Dam 3 ft (0.91 m) 2013 Whitehall Township 40°37′24″N 75°28′56″W / 40.6234°N 75.4821°W / 40.6234; -75.4821 (McArthur Road Dam ) Route 22 Dam 3 ft (0.91 m) 2013 Whitehall Township 40°37′29″N 75°29′18″W / 40.6246°N 75.4882°W / 40.6246; -75.4882 (Route 22 Dam ) Trexler Nature Preserve Dam 2015 Schnecksville 40°39′44″N 75°37′34″W / 40.6621°N 75.6262°W / 40.6621; -75.6262 (Trexler Nature Preserve Dam ) Helfrich Springs Dam 3 ft (0.91 m) 2013 Whitehall Township 40°37′39″N 75°29′20″W / 40.6276°N 75.489°W / 40.6276; -75.489 (Helfrich Springs Dam ) PGC Dam 1 6 ft (1.8 m) 2017 Lowhill Township 40°39′59″N 75°40′04″W / 40.6664°N 75.6677°W / 40.6664; -75.6677 (PGC Dam 1 ) Lehigh River PGC Dam 2 10 ft (3.0 m) 2017 Lowhill Township 40°39′33″N 75°39′57″W / 40.6591°N 75.6659°W / 40.6591; -75.6659 (PGC Dam 2 ) PGC Dam 3 5 ft (1.5 m) 2017 Lowhill Township 40°39′30″N 75°39′56″W / 40.6583°N 75.6656°W / 40.6583; -75.6656 (PGC Dam 3 ) Lower Klondike Dam 15 ft (4.6 m) 2019 Clifton Township / Lehigh Township 41°15′12″N 75°27′02″W / 41.2533°N 75.4505°W / 41.2533; -75.4505 (Lower Klondike Dam ) Palmerton Dam 2.5 ft (0.76 m) 2006 Slatington 40°47′31″N 75°38′08″W / 40.7919°N 75.6356°W / 40.7919; -75.6356 (Palmerton Dam ) Wild Lands Conservancy Dam 5 ft (1.5 m) 2000 Emmaus 40°32′30″N 75°30′41″W / 40.5416°N 75.5113°W / 40.5416; -75.5113 (Wild Lands Conservancy Dam ) Little Lehigh Creek Robin Hood Bridge Dam 2.5 ft (0.76 m) 2013 Allentown 40°34′57″N 75°29′00″W / 40.5824°N 75.4833°W / 40.5824; -75.4833 (Robin Hood Bridge Dam ) Trout Hatchery Dam 3 ft (0.91 m) 2013 Allentown 40°33′45″N 75°30′43″W / 40.5625°N 75.5119°W / 40.5625; -75.5119 (Trout Hatchery Dam ) Heilman Dam 15 ft (4.6 m) 2007 Lehighton 40°49′28″N 75°42′17″W / 40.8245°N 75.7047°W / 40.8245; -75.7047 (Heilman Dam ) Mahoning Creek Bridle Path Dam 4 ft (1.2 m) 2016 Bethlehem 40°38′56″N 75°22′47″W / 40.6488°N 75.3798°W / 40.6488; -75.3798 (Bridle Path Dam ) Monocacy Creek Colonial Industrial Quarter Dam 6 ft (1.8 m) 2013 Bethlehem 40°37′18″N 75°23′01″W / 40.6217°N 75.3837°W / 40.6217; -75.3837 (Colonial Industrial Quarter Dam ) Archibald Johnston Conservation Area Dam 1 7 ft (2.1 m) 2024 Bethlehem 40°40′26″N 75°21′15″W / 40.6739°N 75.3542°W / 40.6739; -75.3542 (Archibald Johnston Conservation Area Dam 1 ) Archibald Johnston Conservation Area Dam 2 4 ft (1.2 m) 2024 Bethlehem 40°40′23″N 75°21′19″W / 40.6731°N 75.3554°W / 40.6731; -75.3554 (Archibald Johnston Conservation Area Dam 2 ) Archibald Johnston Conservation Area Dam 3 3 ft (0.91 m) 2024 Bethlehem 40°40′15″N 75°21′31″W / 40.6707°N 75.3586°W / 40.6707; -75.3586 (Archibald Johnston Conservation Area Dam 3 ) Archibald Johnston Conservation Area Dam 4 5 ft (1.5 m) 2024 Bethlehem 40°40′14″N 75°21′30″W / 40.6706°N 75.3582°W / 40.6706; -75.3582 (Archibald Johnston Conservation Area Dam 4 ) Archibald Johnston Conservation Area Dam 5 8 ft (2.4 m) 2024 Bethlehem 40°40′13″N 75°21′30″W / 40.6704°N 75.3582°W / 40.6704; -75.3582 (Archibald Johnston Conservation Area Dam 5 ) Archibald Johnston Conservation Area Dam 6 4 ft (1.2 m) 2024 Bethlehem 40°40′15″N 75°21′31″W / 40.6707°N 75.3586°W / 40.6707; -75.3586 (Archibald Johnston Conservation Area Dam 6 ) Thornhurst Country Club Dam 10 ft (3.0 m) 2011 Moscow 41°12′48″N 75°36′49″W / 41.2132°N 75.6136°W / 41.2132; -75.6136 (Thornhurst Country Club Dam ) Pond Creek Saucon Park Dam 4.5 ft (1.4 m) 2009 Bethlehem 40°36′04″N 75°20′44″W / 40.6012°N 75.3455°W / 40.6012; -75.3455 (Saucon Park Dam ) Saucon Creek Kulp Dam 3 ft (0.91 m) 2019 Northampton County 40°34′44″N 75°20′43″W / 40.5788°N 75.3453°W / 40.5788; -75.3453 (Kulp Dam ) Maple Dam 3 ft (0.91 m) 2017 Long Pond 41°03′56″N 75°31′17″W / 41.0656°N 75.5214°W / 41.0656; -75.5214 (Maple Dam ) Tunkhannock Creek Geigers Bridge Dam 4 ft (1.2 m) 2021 Lehigh County 40°38′42″N 75°37′33″W / 40.6451°N 75.6258°W / 40.6451; -75.6258 (Geigers Bridge Dam ) Tributary to Jordan Creek East Branch Saucon Dam 4 ft (1.2 m) 2017 Bethlehem 40°37′00″N 75°19′56″W / 40.6166°N 75.3321°W / 40.6166; -75.3321 (East Branch Saucon Dam ) East Branch Saucon Creek Millbrook Farms Dam 4.5 ft (1.4 m) 2017 Emmaus 40°32′20″N 75°31′56″W / 40.539°N 75.5322°W / 40.539; -75.5322 (Millbrook Farms Dam ) Little Lehigh Creek Ellsworth No. 2 Dam 26 ft (7.9 m) 2011 Ellsworth 40°06′26″N 80°01′29″W / 40.1071°N 80.0247°W / 40.1071; -80.0247 (Ellsworth No. 2 Dam ) Center Branch Pigeon Creek Monongahela River Crabapple Dam 30 ft (9.1 m) 2007 Star Junction 40°01′41″N 79°46′14″W / 40.0281°N 79.7705°W / 40.0281; -79.7705 (Crabapple Dam ) Crabapple Run Pumping Station Dam 16 ft (4.9 m) 2010 Wayne 39°43′41″N 80°15′09″W / 39.728°N 80.2526°W / 39.728; -80.2526 (Pumping Station Dam ) Dunkard Creek Monongahela Lock and Dam 3 16 ft (4.9 m) 2024 Elizabeth 40°15′54″N 79°54′00″W / 40.2651°N 79.9001°W / 40.2651; -79.9001 (Monongahela Lock and Dam 3 ) Monongahela River Graceland Dam 17 ft (5.2 m) 2006 Prosperity 40°01′20″N 80°19′34″W / 40.0221°N 80.326°W / 40.0221; -80.326 (Graceland Dam ) Tributary to Neshannock River Gibson Pumping Station Dam 2015 Charleroi 40°08′41″N 79°57′46″W / 40.1447°N 79.9627°W / 40.1447; -79.9627 (Gibson Pumping Station Dam ) Tributary to Pigeon Creek Woodland Dam 3 ft (0.91 m) 2015 Sewickley 40°33′32″N 80°11′27″W / 40.559°N 80.1907°W / 40.559; -80.1907 (Woodland Dam ) Little Sewickley Creek Ohio River Bald Knob Dam 65 ft (20 m) 2016 Findlay Township 40°27′16″N 80°18′56″W / 40.4544°N 80.3155°W / 40.4544; -80.3155 (Bald Knob Dam ) Potato Garden Run Group Camp Dam 20 ft (6.1 m) 2024 Frankfort Springs 40°30′39″N 80°26′26″W / 40.5107°N 80.4405°W / 40.5107; -80.4405 (Group Camp Dam ) Traverse Creek Claysville School Street No. 1 Dam 2008 Washington 40°07′09″N 80°24′59″W / 40.1191°N 80.4163°W / 40.1191; -80.4163 (Claysville School Street No. 1 Dam ) Tributary to Dutch Fork Birch Run Dam 60 ft (18 m) 2005 Fayetteville 39°55′06″N 77°27′18″W / 39.9183°N 77.455°W / 39.9183; -77.455 (Birch Run Dam ) Potomac River Conococheague Creek Scotland Pond Dams 4.5 ft (1.4 m) 2019 Greene Township 39°58′18″N 77°35′15″W / 39.9717°N 77.5875°W / 39.9717; -77.5875 (Scotland Pond Dams ) Siloam Dam 2005 Chambersburg 39°57′41″N 77°38′53″W / 39.9613°N 77.648°W / 39.9613; -77.648 (Siloam Dam ) Wolf Lake Dam 2006 Chambersburg 39°56′47″N 77°39′37″W / 39.9464°N 77.6604°W / 39.9464; -77.6604 (Wolf Lake Dam ) Nicodemus Dam 2010 Quincy Township 39°47′16″N 77°36′14″W / 39.7879°N 77.604°W / 39.7879; -77.604 (Nicodemus Dam ) Tributary to West Branch Antietam Creek Cove Valley Christian Camp Dam 5 ft (1.5 m) 2014 Mercersburg 39°50′26″N 77°58′10″W / 39.8405°N 77.9695°W / 39.8405; -77.9695 (Cove Valley Christian Camp Dam ) Little Cove Creek Hinnershitz Settling Basin Dam 9 ft (2.7 m) 2016 Alsace Township 40°22′05″N 75°51′53″W / 40.368°N 75.8646°W / 40.368; -75.8646 (Hinnershitz Settling Basin Dam ) Antietam Creek Schuylkill River Mt. Penn #3 Dam 2004 Reading 40°20′37″N 75°53′12″W / 40.3435°N 75.8868°W / 40.3435; -75.8868 (Mt. Penn #3 Dam ) Tributary to Antietam Creek Van Reed Paper Mill Dam 8 ft (2.4 m) 2022 Reading 40°21′55″N 75°59′38″W / 40.3652°N 75.9938°W / 40.3652; -75.9938 (Van Reed Paper Mill Dam ) Cacoosing Creek Croton Lake 15 ft (4.6 m) 2015 King of Prussia 40°04′02″N 75°23′46″W / 40.0672°N 75.3961°W / 40.0672; -75.3961 (Croton Lake ) Crow Creek Unnamed dam 2003 Collegeville 40°09′27″N 75°27′51″W / 40.1576°N 75.4641°W / 40.1576; -75.4641 Doe Run Unnamed dam 2003 New Holland 40°00′01″N 76°06′36″W / 40.0002°N 76.11°W / 40.0002; -76.11 Eshleman Run Furnace Creek Dam 63 ft (19 m) 2014 Robesonia 40°19′49″N 76°08′50″W / 40.3304°N 76.1472°W / 40.3304; -76.1472 (Furnace Creek Dam ) Furnace Creek (Spring Creek tributary) Witman Dam 2010 Fleetwood 40°24′25″N 75°47′21″W / 40.4069°N 75.7892°W / 40.4069; -75.7892 (Witman Dam ) Furnace Creek (Little Manatawny Creek tributary) Unnamed Witman Dam 8.5 ft (2.6 m) 2010 Oley Township 40°24′22″N 75°47′18″W / 40.4062°N 75.7884°W / 40.4062; -75.7884 (Unnamed Witman Dam ) Sumner Dam 16 ft (4.9 m) 2011 Conshohocken 40°04′09″N 75°20′08″W / 40.0693°N 75.3355°W / 40.0693; -75.3355 (Sumner Dam ) Gulph Creek Mill Dam (Wernersville State Hospital Dam) 25 ft (7.6 m) 2019 Wernersville 40°19′43″N 76°06′41″W / 40.3286°N 76.1114°W / 40.3286; -76.1114 (Mill Dam (Wernersville State Hospital Dam) ) Hospital Creek Delp Dam (Swartley Mill Dam; Keller Creamery Dam) 2018 Telford 40°18′25″N 75°22′38″W / 40.307°N 75.3771°W / 40.307; -75.3771 (Delp Dam (Swartley Mill Dam; Keller Creamery Dam) ) Indian Creek Dauberville Lake Dam 2007 Centre County 40°27′33″N 75°58′55″W / 40.4591°N 75.982°W / 40.4591; -75.982 (Dauberville Lake Dam ) Irish Creek Unnamed Girl Scout Dam 6 ft (1.8 m) 2007 Summerhill 40°23′07″N 75°35′06″W / 40.3854°N 75.5851°W / 40.3854; -75.5851 (Unnamed Girl Scout Dam ) Laurel Run Unnamed dam 2000 Pottstown 40°14′47″N 75°39′23″W / 40.2463°N 75.6565°W / 40.2463; -75.6565 Manatawny Creek Rounick Pond Dam 6 ft (1.8 m) 2014 Bryn Mawr 40°02′23″N 75°18′04″W / 40.0398°N 75.3012°W / 40.0398; -75.3012 (Rounick Pond Dam ) Tributary to Mill Creek Gensamer Dam 4 ft (1.2 m) 2020 Bucks County 40°16′17″N 75°11′16″W / 40.2715°N 75.1878°W / 40.2715; -75.1878 (Gensamer Dam ) Tributary to Neshaminy Creek Collegeville Dam 6 ft (1.8 m) 2003 Collegeville 40°11′28″N 75°26′57″W / 40.1911°N 75.4493°W / 40.1911; -75.4493 (Collegeville Dam ) Perkiomen Creek East Greenville Dam (Perkiomen Creek Gage Dam) 2022 Montgomery 40°23′38″N 75°30′57″W / 40.3939°N 75.5158°W / 40.3939; -75.5158 (East Greenville Dam (Perkiomen Creek Gage Dam) ) Goodrich Dam 12 ft (3.7 m) 2005 Phoenixville 40°07′09″N 75°27′29″W / 40.1192°N 75.4581°W / 40.1192; -75.4581 (Goodrich Dam ) Unnamed Nestle Dam 3 ft (0.91 m) 2007 Pottstown 40°11′53″N 75°41′00″W / 40.1981°N 75.6833°W / 40.1981; -75.6833 (Unnamed Nestle Dam ) Tributary to Pigeon Creek Twining Valley Golf Course Dam 15 ft (4.6 m) 2004 Dresher 40°08′21″N 75°09′35″W / 40.1393°N 75.1596°W / 40.1393; -75.1596 (Twining Valley Golf Course Dam ) Tributary to Sandy Run Ontelaunee Orchards Dam 2008 Leesport 40°27′28″N 75°57′55″W / 40.4577°N 75.9653°W / 40.4577; -75.9653 (Ontelaunee Orchards Dam ) Tributary to Schuylkill River Felix Dam 2007 Muhlenberg Township 40°23′29″N 75°58′11″W / 40.3913°N 75.9696°W / 40.3913; -75.9696 (Felix Dam ) Schuylkill River Plymouth Dam 8 ft (2.4 m) 2009 Norristown 40°04′30″N 75°18′57″W / 40.075°N 75.3157°W / 40.075; -75.3157 (Plymouth Dam ) Vincent Dam 7 ft (2.1 m) 2009 Royersford 40°12′20″N 75°33′54″W / 40.2056°N 75.5649°W / 40.2056; -75.5649 (Vincent Dam ) Norristown Farm Park Dam 8 ft (2.4 m) 2011 Norristown 40°08′19″N 75°20′47″W / 40.1386°N 75.3465°W / 40.1386; -75.3465 (Norristown Farm Park Dam ) Stony Creek Calvert Hurdle Park Dam 2004 Lansdale 40°09′22″N 75°19′33″W / 40.1562°N 75.3259°W / 40.1562; -75.3259 (Calvert Hurdle Park Dam ) Tributary to Stony Creek Charming Forge Dam 7 ft (2.1 m) 2004 Robesonia 40°23′15″N 76°10′17″W / 40.3874°N 76.1713°W / 40.3874; -76.1713 (Charming Forge Dam ) Tulpehocken Creek Dunn Dam 2015 Fort Washington Tributary to Sandy Run Acheys Mill Dam 2011 Reading 40°26′16″N 75°57′32″W / 40.4377°N 75.9589°W / 40.4377; -75.9589 (Acheys Mill Dam ) Unami Creek Fairway #7 Pond 2 ft (0.61 m) 2015 Malvern 40°02′23″N 75°33′54″W / 40.0396°N 75.5649°W / 40.0396; -75.5649 (Fairway #7 Pond ) Tributary to Valley Creek Lorimer Reserve Upper Pond Dam 10 ft (3.0 m) 2024 Chester 40°04′15″N 75°29′23″W / 40.0707°N 75.4898°W / 40.0707; -75.4898 (Lorimer Reserve Upper Pond Dam ) Tributary to Valley Creek Valley Creek #1 1920 Valley Forge 40°06′03″N 75°27′42″W / 40.1009°N 75.4616°W / 40.1009; -75.4616 (Valley Creek #1 ) Valley Creek Hillegas Dam 2022 Montgomery 40°22′25″N 75°31′23″W / 40.3737°N 75.523°W / 40.3737; -75.523 (Hillegas Dam ) West Branch Perkiomen Creek Willow Creek Dam 10 ft (3.0 m) 2023 Berks County 40°25′38″N 75°56′21″W / 40.4271°N 75.9393°W / 40.4271; -75.9393 (Willow Creek Dam ) Willow Creek Plymouth Crossing Dam 5 ft (1.5 m) 2011 Lower Gwynedd Township 40°11′14″N 75°15′21″W / 40.1871°N 75.2558°W / 40.1871; -75.2558 (Plymouth Crossing Dam ) Wissahickon Creek Mohnton Water Supply Dam 2006 Mohnton 40°16′56″N 75°59′32″W / 40.2822°N 75.9921°W / 40.2822; -75.9921 (Mohnton Water Supply Dam ) Wyomissing Creek Mirror Lake Dam 2004 West Reading 40°19′40″N 75°57′00″W / 40.3277°N 75.9499°W / 40.3277; -75.9499 (Mirror Lake Dam ) Reading Museum Dam #1 3 ft (0.91 m) 2004 West Reading 40°19′42″N 75°57′08″W / 40.3283°N 75.9521°W / 40.3283; -75.9521 (Reading Museum Dam #1 ) Reading Museum Dam #2 8 ft (2.4 m) 2004 Wyomissing 40°19′42″N 75°57′13″W / 40.3282°N 75.9536°W / 40.3282; -75.9536 (Reading Museum Dam #2 ) Binky Lee Preserve Dam 8 ft (2.4 m) 2005 Malvern 40°05′50″N 75°36′15″W / 40.0971°N 75.6043°W / 40.0971; -75.6043 (Binky Lee Preserve Dam ) Tributary to Pickering Creek Shissler Dam 2006 York Haven 40°07′19″N 76°49′00″W / 40.122°N 76.8167°W / 40.122; -76.8167 (Shissler Dam ) Tributary to Bennett Run Susquehanna River Big Spring Run Dam #1 1916 Willow Street 39°59′55″N 76°15′54″W / 39.9986°N 76.265°W / 39.9986; -76.265 (Big Spring Run Dam #1 ) Big Spring Run Krady Mill Dam 5 ft (1.5 m) 2018 Columbia 40°04′06″N 76°29′55″W / 40.0683°N 76.4987°W / 40.0683; -76.4987 (Krady Mill Dam ) Chiques Creek Snavely's Mill Dam 3 ft (0.91 m) 1997 Manheim 40°07′55″N 76°24′19″W / 40.132°N 76.4054°W / 40.132; -76.4054 (Snavely's Mill Dam ) Heistand Sawmill Dam 15 ft (4.6 m) 2015 Marietta 40°03′19″N 76°31′37″W / 40.0552°N 76.5269°W / 40.0552; -76.5269 (Heistand Sawmill Dam ) Martins Dam 2000 Ephrata 40°11′39″N 76°09′51″W / 40.1941°N 76.1642°W / 40.1941; -76.1642 (Martins Dam ) Cocalico Creek Bascule Gate Dam 6 ft (1.8 m) 2024 York 39°57′46″N 76°44′00″W / 39.9629°N 76.7332°W / 39.9629; -76.7332 (Bascule Gate Dam ) Codorus Creek Yorkane Dam 1997 Tributary to Codorus Creek Henry Eby Dam 2000 Ephrata 40°09′12″N 76°07′39″W / 40.1533°N 76.1275°W / 40.1533; -76.1275 (Henry Eby Dam ) Conestoga River Hinkletown Mill Dam 2000 Ephrata 40°09′11″N 76°07′42″W / 40.1531°N 76.1282°W / 40.1531; -76.1282 (Hinkletown Mill Dam ) Zimmerman Dam 4 ft (1.2 m) 2010 Ephrata 40°09′12″N 76°07′39″W / 40.1533°N 76.1275°W / 40.1533; -76.1275 (Zimmerman Dam ) American Paper Products Dam 4 ft (1.2 m) 1998 Lancaster County 40°04′45″N 76°15′35″W / 40.0791°N 76.2596°W / 40.0791; -76.2596 (American Paper Products Dam ) Rock Hill Dam 13 ft (4.0 m) 1999 Millersville 39°57′46″N 76°21′55″W / 39.9629°N 76.3653°W / 39.9629; -76.3653 (Rock Hill Dam ) Hellberg's Dam 1999 West Earl Township 40°07′47″N 76°11′49″W / 40.1296°N 76.197°W / 40.1296; -76.197 (Hellberg's Dam ) Detter's Mill Dam 7 ft (2.1 m) 2004 Dover 40°00′51″N 76°55′35″W / 40.0141°N 76.9263°W / 40.0141; -76.9263 (Detter's Mill Dam ) Conewago Creek Sharrer's Mill Dam 6.5 ft (2.0 m) 2005 New Oxford 39°54′23″N 77°06′03″W / 39.9064°N 77.1008°W / 39.9064; -77.1008 (Sharrer's Mill Dam ) Masonic Home Dam 2008 Elizabethtown 40°07′57″N 76°37′17″W / 40.1326°N 76.6214°W / 40.1326; -76.6214 (Masonic Home Dam ) Conoy Creek Dugan Run Dam 8 ft (2.4 m) 2017 Wrightsville 40°02′38″N 76°35′29″W / 40.0439°N 76.5913°W / 40.0439; -76.5913 (Dugan Run Dam ) Dugan Run Smucker Dam 3.5 ft (1.1 m) 2010 Earl Township 40°04′18″N 76°05′11″W / 40.0716°N 76.0864°W / 40.0716; -76.0864 (Smucker Dam ) Groff Run Vance Dam 7 ft (2.1 m) 2023 Lancaster 40°10′12″N 76°10′26″W / 40.1699°N 76.1738°W / 40.1699; -76.1738 (Vance Dam ) Gross Run Rexmont Dam #1 2001 Lebanon 40°16′45″N 76°21′28″W / 40.2793°N 76.3578°W / 40.2793; -76.3578 (Rexmont Dam #1 ) Hammer Creek Hammer Creek Dam 8 ft (2.4 m) 2001 Lititz 40°14′32″N 76°20′10″W / 40.2422°N 76.3361°W / 40.2422; -76.3361 (Hammer Creek Dam ) Hammer Creek Rexmont Dam #2 2002 South Lebanon Township 40°16′38″N 76°21′30″W / 40.2772°N 76.3584°W / 40.2772; -76.3584 (Rexmont Dam #2 ) Tributary to Hammer Creek Unnamed Dam #1 2001 Kinzers 40°00′41″N 76°03′45″W / 40.0114°N 76.0624°W / 40.0114; -76.0624 (Unnamed Dam #1 ) Houston Run Kehm Run Dam 27 ft (8.2 m) 2021 York 39°55′24″N 76°40′04″W / 39.9233°N 76.6677°W / 39.9233; -76.6677 (Kehm Run Dam ) Kehm Run Mill Port Conservancy Dam 10 ft (3.0 m) 1998 Leola 40°08′15″N 76°15′30″W / 40.1376°N 76.2583°W / 40.1376; -76.2583 (Mill Port Conservancy Dam ) Lititz Run Old Withers Dam 2008 Leola 40°06′50″N 76°14′54″W / 40.1139°N 76.2482°W / 40.1139; -76.2482 (Old Withers Dam ) Young's Dam 3 ft (0.91 m) 2002 Lititz 40°08′48″N 76°16′41″W / 40.1466°N 76.278°W / 40.1466; -76.278 (Young's Dam ) Unnamed dam 4 ft (1.2 m) 1998 Mount Joy Waterworks Dam 4 ft (1.2 m) 2019 Mount Joy 40°07′13″N 76°30′01″W / 40.1202°N 76.5003°W / 40.1202; -76.5003 (Mt Joy Waterworks Dam ) Little Chiques Creek Mount Joy Dam (SICO Dam) 4 ft (1.2 m) 2014 Mount Joy 40°06′37″N 76°29′29″W / 40.1103°N 76.4915°W / 40.1103; -76.4915 (Mt Joy Dam (SICO Dam) ) Denlinger's Mill Dam 6 ft (1.8 m) 1930 Millersville 39°58′26″N 76°22′33″W / 39.974°N 76.3757°W / 39.974; -76.3757 (Denlinger's Mill Dam ) Little Conestoga Creek Maple Grove Dam 6 ft (1.8 m) 1997 East Petersburg Authority Dam 4 ft (1.2 m) 1998 Derry Run Basin C Dam 8 ft (2.4 m) 2014 West Manchester Township 39°58′01″N 76°48′22″W / 39.967°N 76.8061°W / 39.967; -76.8061 (Derry Run Basin C Dam ) Tributary to Little Conewago Creek Daniel Esh Dam 2 ft (0.61 m) 2003 Lancaster 40°00′36″N 76°16′38″W / 40.0099°N 76.2772°W / 40.0099; -76.2772 (Daniel Esh Dam ) Mill Creek (Conestoga River tributary) Yorktowne Paper Dam 5 ft (1.5 m) 1997 York 39°58′57″N 76°43′20″W / 39.9826°N 76.7222°W / 39.9826; -76.7222 (Yorktowne Paper Dam ) Mill Creek (Codorus Creek tributary) Eaton-Dikeman Dam 1985 Mount Holly Springs 40°06′05″N 77°11′01″W / 40.1015°N 77.1835°W / 40.1015; -77.1835 (Eaton-Dikeman Dam ) Mountain Creek Castle Fin Dam 5 ft (1.5 m) 1997 York County 39°46′00″N 76°19′36″W / 39.7667°N 76.3266°W / 39.7667; -76.3266 (Castle Fin Dam ) Muddy Creek Garthridge Dam 1933 Peach Bottom Township 39°45′19″N 76°20′29″W / 39.7554°N 76.3415°W / 39.7554; -76.3415 (Garthridge Dam ) Highrock Dam 1972 Peach Bottom Township 39°45′40″N 76°19′58″W / 39.761°N 76.3328°W / 39.761; -76.3328 (Highrock Dam ) Amish Dam #1 2000 Ephrata 40°09′41″N 76°06′30″W / 40.1613°N 76.1083°W / 40.1613; -76.1083 (Amish Dam #1 ) Muddy Creek Amish Dam #2 2000 Ephrata 40°09′53″N 76°06′36″W / 40.1648°N 76.11°W / 40.1648; -76.11 (Amish Dam #2 ) Amish Dam #3 2000 Ephrata 40°10′21″N 76°06′17″W / 40.1724°N 76.1047°W / 40.1724; -76.1047 (Amish Dam #3 ) Amish Dam #4 2000 New Holland 40°10′28″N 76°04′46″W / 40.1745°N 76.0794°W / 40.1745; -76.0794 (Amish Dam #4 ) Amish Dam #5 2001 New Holland 40°10′31″N 76°04′36″W / 40.1752°N 76.0767°W / 40.1752; -76.0767 (Amish Dam #5 ) Amish Dam #6 2001 New Holland 40°10′43″N 76°04′13″W / 40.1786°N 76.0702°W / 40.1786; -76.0702 (Amish Dam #6 ) Amish Dam #7 2001 Denver 40°10′46″N 76°04′08″W / 40.1794°N 76.0688°W / 40.1794; -76.0688 (Amish Dam #7 ) Amish Dam #8 2001 Denver 40°10′41″N 76°03′01″W / 40.1781°N 76.0503°W / 40.1781; -76.0503 (Amish Dam #8 ) Beiler Dam 2.5 ft (0.76 m) 2007 Leacock Township 40°03′26″N 76°05′27″W / 40.0573°N 76.0908°W / 40.0573; -76.0908 (Beiler Dam ) Tributary to Muddy Run Beiler Farm Dam 3 ft (0.91 m) 2024 Leacock Township 40°03′17″N 76°06′04″W / 40.0547°N 76.1012°W / 40.0547; -76.1012 (Beiler Farm Dam ) Tributary to Muddy Run James Ford's Dam 5 ft (1.5 m) 2006 Gordonville 40°00′46″N 76°07′44″W / 40.0127°N 76.1289°W / 40.0127; -76.1289 (James Ford's Dam ) Pequea Creek Unnamed Dam #2 2001 Paradise 40°00′39″N 76°05′47″W / 40.0109°N 76.0964°W / 40.0109; -76.0964 (Unnamed Dam #2 ) Fisher Dam 2 ft (0.61 m) 2010 Salisbury Township 40°01′12″N 75°59′03″W / 40.0201°N 75.9843°W / 40.0201; -75.9843 (Fisher Dam ) Muren's Dam (Seitzville Mill Dam) 12 ft (3.7 m) 2000 Seven Valleys 39°49′45″N 76°45′43″W / 39.8293°N 76.7619°W / 39.8293; -76.7619 (Muren's Dam (Seitzville Mill Dam) ) South Branch Codorus Creek Lower Crest Dam 2 ft (0.61 m) 2023 Dauphin Spring Creek Lake Lehman Dam 52 ft (16 m) 2015 Spring Grove 39°51′46″N 76°51′40″W / 39.8627°N 76.8612°W / 39.8627; -76.8612 (Lake Lehman Dam ) Tributary to Codorus Creek Wildcat Run Dam 14 ft (4.3 m) 2017 Wrightsville 40°02′52″N 76°36′08″W / 40.0479°N 76.6022°W / 40.0479; -76.6022 (Wildcat Run Dam ) Wildcat Run Unnamed dam 2003 Beaver Springs 40°45′04″N 77°12′44″W / 40.751°N 77.2123°W / 40.751; -77.2123 Beaver Creek Kehly Run Dam No. 2 16 ft (4.9 m) 2007 Shenandoah 40°49′51″N 76°11′41″W / 40.8307°N 76.1947°W / 40.8307; -76.1947 (Kehly Run Dam No. 2 ) Kehly Run Kehly Run Dam No. 3 33 ft (10 m) 2007 Shenandoah 40°49′53″N 76°11′41″W / 40.8313°N 76.1946°W / 40.8313; -76.1946 (Kehly Run Dam No. 3 ) Kehly Run Dam No. 4 20 ft (6.1 m) 2007 Shenandoah 40°50′13″N 76°11′55″W / 40.837°N 76.1985°W / 40.837; -76.1985 (Kehly Run Dam No. 4 ) Kehly Run Dam No. 5 25 ft (7.6 m) 2007 Shenandoah 40°50′16″N 76°11′57″W / 40.8378°N 76.1992°W / 40.8378; -76.1992 (Kehly Run Dam No. 5 ) Kehly Run Dam No. 6 20 ft (6.1 m) 2007 Shenandoah 40°50′22″N 76°12′03″W / 40.8395°N 76.2009°W / 40.8395; -76.2009 (Kehly Run Dam No. 6 ) Mussers Dam 31 ft (9.4 m) 1992 Snyder County 40°46′02″N 76°52′21″W / 40.7672°N 76.8726°W / 40.7672; -76.8726 (Mussers Dam ) Middle Creek Franklin Mill Dam 2000 Middleburg 40°47′03″N 77°02′46″W / 40.7843°N 77.046°W / 40.7843; -77.046 (Franklin Mill Dam ) Millmont Dam 2006 Millmont 40°52′46″N 77°08′03″W / 40.8795°N 77.1342°W / 40.8795; -77.1342 (Millmont Dam ) Penns Creek Penns Creek Dam #1 1968 Spring Mills 40°50′51″N 77°33′35″W / 40.8476°N 77.5597°W / 40.8476; -77.5597 (Penns Creek Dam #1 ) Shiffer's Mill Dam 2004 Elizabethville 40°32′40″N 76°51′54″W / 40.5445°N 76.8649°W / 40.5445; -76.8649 (Shiffer's Mill Dam ) Wiconisco Creek Adams Run Dam 9 ft (2.7 m) 2015 Dauphin County 40°35′11″N 76°24′09″W / 40.5864°N 76.4024°W / 40.5864; -76.4024 (Adams Run Dam ) Adams Run Black Creek Intake Dam 20 ft (6.1 m) 2011 Dauphin County 40°36′20″N 76°22′32″W / 40.6056°N 76.3756°W / 40.6056; -76.3756 (Black Creek Intake Dam ) Black Creek Black Creek Middle Dam 10 ft (3.0 m) 2011 Dauphin County 40°37′20″N 76°19′29″W / 40.6223°N 76.3247°W / 40.6223; -76.3247 (Black Creek Middle Dam ) Cleversburg Water Supply Dam 4 ft (1.2 m) 2004 Shippensburg 40°00′36″N 77°27′43″W / 40.0101°N 77.462°W / 40.0101; -77.462 (Cleversburg Water Supply Dam ) Burd Run Unnamed dam 3 ft (0.91 m) 2007 Camp Hill 40°13′42″N 76°55′12″W / 40.2283°N 76.9201°W / 40.2283; -76.9201 Tributary to Cedar Run Smith Dam 3 ft (0.91 m) 2007 Camp Hill 40°13′33″N 76°55′47″W / 40.2258°N 76.9298°W / 40.2258; -76.9298 (Smith Dam ) Tributary to Cedar Run Detweiler Park Dam 8 ft (2.4 m) 2024 Dauphin 40°23′29″N 76°56′16″W / 40.3914°N 76.9377°W / 40.3914; -76.9377 (Detweiler Park Dam ) Tributary to Clark Creek Laurel Park Dam 16 ft (4.9 m) 2015 Mount Gretna 40°15′23″N 76°27′54″W / 40.2564°N 76.465°W / 40.2564; -76.465 (Laurel Park Dam ) Conewago Creek Good Hope Mill Dam 8 ft (2.4 m) 2001 Hampden Township 40°15′45″N 76°58′44″W / 40.2625°N 76.9788°W / 40.2625; -76.9788 (Good Hope Mill Dam ) Conodoguinet Creek Orr's Bridge Dam 2019 Hampden Township 40°14′24″N 76°57′07″W / 40.2399°N 76.9519°W / 40.2399; -76.9519 (Orr's Bridge Dam ) Black Dam 10 ft (3.0 m) 2003 Newville 40°11′39″N 77°22′19″W / 40.1941°N 77.3719°W / 40.1941; -77.3719 (Black Dam ) Mixel Dam 7 ft (2.1 m) 2008 Newville 40°12′00″N 77°25′04″W / 40.1999°N 77.4179°W / 40.1999; -77.4179 (Mixel Dam ) Doubling Gap Creek Goldsboro Dam 4 ft (1.2 m) 2005 Etters 40°09′10″N 76°45′17″W / 40.1527°N 76.7548°W / 40.1527; -76.7548 (Goldsboro Dam ) Fishing Creek (York County) Stony Point Dam 2003 Franklin County 39°59′16″N 77°30′03″W / 39.9879°N 77.5007°W / 39.9879; -77.5007 (Stony Point Dam (Furnace Creek Dam) ) Furnace Run Shoops Dam 2010 Shippensburg 40°04′52″N 77°32′32″W / 40.0811°N 77.5421°W / 40.0811; -77.5421 (Shoops Dam ) Middle Spring Creek Lower Poplar Run Reservoir Dam 10–12 ft (3.0–3.7 m) 2004 Dauphin County 40°37′27″N 76°24′00″W / 40.6242°N 76.4°W / 40.6242; -76.4 (Lower Poplar Run Reservoir Dam ) Poplar Run Upper Poplar Run Reservoir Dam 10–12 ft (3.0–3.7 m) 2004 Dauphin County 40°37′22″N 76°24′10″W / 40.6228°N 76.4028°W / 40.6228; -76.4028 (Upper Poplar Run Reservoir Dam ) Poplar Run Crest Dam 4 ft (1.2 m) 2023 Dauphin 40°17′11″N 76°38′04″W / 40.2864°N 76.6345°W / 40.2864; -76.6345 (Crest Dam ) Spring Creek Homestead Dam 3 ft (0.91 m) 2023 Dauphin County 40°16′16″N 76°37′06″W / 40.271°N 76.6182°W / 40.271; -76.6182 (Homestead Dam ) Red Oak Dam 2 ft (0.61 m) 2023 Dauphin County 40°17′06″N 76°37′56″W / 40.2849°N 76.6321°W / 40.2849; -76.6321 (Red Oak Dam ) Hershey School Intake Dam 5.5 ft (1.7 m) 2014 Hershey 40°16′29″N 76°37′18″W / 40.2748°N 76.6217°W / 40.2748; -76.6217 (Hershey School Intake Dam ) Upper Brooke Drive Dam 4 ft (1.2 m) 2023 Dauphin County 40°16′48″N 76°38′06″W / 40.2801°N 76.635°W / 40.2801; -76.635 (Upper Brooke Drive Dam ) Tributary to Spring Creek Iron Stone Mine Dam 4 ft (1.2 m) 2006 Middletown 40°12′22″N 76°42′52″W / 40.2061°N 76.7145°W / 40.2061; -76.7145 (Iron Stone Mine Dam ) Swatara Creek Bullfrog Valley Sediment Pond #1 Dam 2011 Derry Township 40°15′27″N 76°41′05″W / 40.2574°N 76.6848°W / 40.2574; -76.6848 (Bullfrog Valley Sediment Pond #1 Dam ) Tributary to Swatara Creek Bullfrog Valley Sediment Pond #2 Dam 2011 Derry Township 40°15′26″N 76°41′05″W / 40.2572°N 76.6846°W / 40.2572; -76.6846 (Bullfrog Valley Sediment Pond #2 Dam ) Tributary to Swatara Creek Camp Michaux Lower Dam 4.5 ft (1.4 m) 2017 Cumberland County 40°02′12″N 77°20′30″W / 40.0366°N 77.3416°W / 40.0366; -77.3416 (Camp Michaux Lower Dam ) Toms Run Silver Spring Dam 9 ft (2.7 m) 2006 Mechanicsburg 40°15′07″N 77°00′26″W / 40.252°N 77.0073°W / 40.252; -77.0073 (Silver Spring Dam ) Trindle Spring Run Gunter Valley Dam 83 ft (25 m) 2019 Shippensburg 40°08′15″N 77°40′20″W / 40.1376°N 77.6722°W / 40.1376; -77.6722 (Gunter Valley Dam ) Trout Run Westinghouse Dam, Trafford Dam 6 ft (1.8 m) 2012 Trafford 40°22′12″N 76°36′51″W / 40.37°N 76.6142°W / 40.37; -76.6142 (Westinghouse Dam, Trafford Dam ) Turtle Creek Lemoyne Borough Dam 4 ft (1.2 m) 2019 Lemoyne 40°15′03″N 76°54′35″W / 40.2507°N 76.9096°W / 40.2507; -76.9096 (Lemoyne Borough Dam ) Tributary to Susquehanna River Meisers Mill Dam 5 ft (1.5 m) 2001 Mount Pleasant Mills 40°38′54″N 76°21′32″W / 40.6482°N 76.359°W / 40.6482; -76.359 (Meisers Mill Dam ) West Branch Mahantango Creek Unnamed Left Mill Race Dam 4 ft (1.2 m) 2011 Mechanicsburg 40°08′57″N 77°00′44″W / 40.1491°N 77.0121°W / 40.1491; -77.0121 (Unnamed Left Mill Race Dam ) Tributary to Yellow Breeches Creek Unnamed Right Mill Race Dam 4 ft (1.2 m) 2011 Mechanicsburg 40°08′57″N 77°00′44″W / 40.1491°N 77.0121°W / 40.1491; -77.0121 (Unnamed Right Mill Race Dam ) Tributary to Yellow Breeches Creek Rosegarden Dam 4 ft (1.2 m) 2011 Dillsburg 40°08′54″N 77°00′45″W / 40.1484°N 77.0126°W / 40.1484; -77.0126 (Rosegarden Dam ) Yellow Breeches Creek Spanglers Mill Dam 8 ft (2.4 m) 2008 Camp Hill 40°12′44″N 76°54′25″W / 40.2121°N 76.9069°W / 40.2121; -76.9069 (Spanglers Mill Dam ) Barnitz Mill Dam 2000 Carlisle 40°07′24″N 77°13′17″W / 40.1234°N 77.2213°W / 40.1234; -77.2213 (Barnitz Mill Dam ) Hoffman Dam 8 ft (2.4 m) 2005 Mechanicsburg 40°09′57″N 76°54′31″W / 40.1659°N 76.9085°W / 40.1659; -76.9085 (Hoffman Dam ) Green Lane Dam 9 ft (2.7 m) 2009 New Cumberland 40°13′27″N 76°53′55″W / 40.2241°N 76.8987°W / 40.2241; -76.8987 (Green Lane Dam ) Wittlinger Dam 8 ft (2.4 m) 2007 South Middleton Township 40°08′26″N 77°07′38″W / 40.1406°N 77.1273°W / 40.1406; -77.1273 (Wittlinger Dam ) Taylor Run Dam 6 ft (1.8 m) 2015 Blossburg 41°38′43″N 77°02′42″W / 41.6453°N 77.045°W / 41.6453; -77.045 (Taylor Run Dam ) Taylor Run Oakland Dam 16 ft (4.9 m) 2023 Susquehanna 41°56′37″N 75°37′02″W / 41.9436°N 75.6171°W / 41.9436; -75.6171 (Oakland Dam ) Susquehanna River Solomons Creek Dam 6 ft (1.8 m) 2017 Ashley 41°12′30″N 75°54′01″W / 41.2082°N 75.9002°W / 41.2082; -75.9002 (Solomons Creek Dam ) Solomons Creek Diverting Dam 8 ft (2.4 m) Plymouth 41°14′32″N 75°58′17″W / 41.2421°N 75.9714°W / 41.2421; -75.9714 (Diverting Dam ) Coal Creek Coal Creek Dam #2 23 ft (7.0 m) 1995 Plymouth 41°14′32″N 75°58′17″W / 41.2421°N 75.9713°W / 41.2421; -75.9713 (Coal Creek Dam #2 ) Coal Creek Dam #3 24 ft (7.3 m) 1995 Plymouth 41°14′39″N 75°58′25″W / 41.2442°N 75.9737°W / 41.2442; -75.9737 (Coal Creek Dam #3 ) Coal Creek Dam #4 14 ft (4.3 m) 1995 Plymouth 41°15′04″N 75°58′28″W / 41.2511°N 75.9745°W / 41.2511; -75.9745 (Coal Creek Dam #4 ) Deep Hollow Creek Dam 2002 Pittston 41°15′30″N 75°47′32″W / 41.2582°N 75.7923°W / 41.2582; -75.7923 (Deep Hollow Creek Dam ) Deep Hollow Creek Hanover Dam 12 ft (3.7 m) 2023 Luzerne 41°10′39″N 75°59′19″W / 41.1775°N 75.9885°W / 41.1775; -75.9885 (Hanover Dam ) Tributary to Espy Run Unnamed PennDOT Dam 5 ft (1.5 m) 2007 Columbia County 41°01′50″N 76°26′43″W / 41.0306°N 76.4452°W / 41.0306; -76.4452 (Unnamed PennDOT Dam ) Fishing Creek (North Branch Susquehanna River tributary) Olyphant #1 Dam 20 ft (6.1 m) 2016 Blakely 41°27′50″N 75°32′18″W / 41.4639°N 75.5382°W / 41.4639; -75.5382 (Olyphant #1 Dam ) Grassy Island Creek Hillside Farms Dam 2024 Shavertown 41°17′52″N 75°56′04″W / 41.2978°N 75.9344°W / 41.2978; -75.9344 (Hillside Farms Dam ) Huntsville Creek Laurel Run Dam No. 2 37 ft (11 m) 2023 Plains Township 41°14′53″N 75°49′03″W / 41.2481°N 75.8175°W / 41.2481; -75.8175 (Laurel Run Dam No. 2 ) Laurel Run Geises Dam 5 ft (1.5 m) 2009 Northumberland 40°55′47″N 76°45′53″W / 40.9298°N 76.7646°W / 40.9298; -76.7646 (Geises Dam ) Lithia Springs Creek Valley View Dam 20 ft (6.1 m) 2012 Greenwood Township 41°07′04″N 76°31′02″W / 41.1178°N 76.5171°W / 41.1178; -76.5171 (Valley View Dam ) Little Fishing Creek Intake Dam 8 ft (2.4 m) 2009 Shickshinny 41°09′00″N 76°10′09″W / 41.15°N 76.1692°W / 41.15; -76.1692 (Intake Dam ) Little Shickshinny Creek Service Water Dam 10 ft (3.0 m) 2009 Danville 40°58′08″N 76°37′02″W / 40.9689°N 76.6172°W / 40.9689; -76.6172 (Service Water Dam ) Mahoning Creek Waymart No. 7 Dam 13 ft (4.0 m) 2024 Wayne 41°34′56″N 75°27′17″W / 41.5823°N 75.4548°W / 41.5823; -75.4548 (Waymart No. 7 Dam ) Tributary to Racket Brook Intake Dam 8 ft (2.4 m) 2001 Manheim 40°10′00″N 76°24′23″W / 40.1668°N 76.4065°W / 40.1668; -76.4065 (Intake Dam ) Rife Run Hollister Dam (Dry Dam) 2022 Covington Township 41°18′47″N 75°29′43″W / 41.313°N 75.4953°W / 41.313; -75.4953 (Hollister Dam (Dry Dam) ) Roaring Brook Rush Brook Dam 19 ft (5.8 m) 2010 Carbondale 41°32′57″N 75°33′55″W / 41.5493°N 75.5652°W / 41.5493; -75.5652 (Rush Brook Dam ) Rush Brook O'Conner Reservoir Dam 30 ft (9.1 m) 2021 Jessup 41°27′11″N 75°32′45″W / 41.453°N 75.5457°W / 41.453; -75.5457 (O'Conner Reservoir Dam ) Sterry Creek Wanamie Dam 26 ft (7.9 m) 2007 Newport 41°10′00″N 76°01′27″W / 41.1666°N 76.0243°W / 41.1666; -76.0243 (Wanamie Dam ) Wanamie Run Glenburn Pond Dam 16 ft (4.9 m) 2024 Glenburn Township 41°31′04″N 75°43′36″W / 41.5177°N 75.7267°W / 41.5177; -75.7267 (Glenburn Pond Dam ) Ackerly Creek Mountain Springs Dam 2 18 ft (5.5 m) 2017 Sweet Valley 41°20′21″N 76°13′35″W / 41.3393°N 76.2263°W / 41.3393; -76.2263 (Mountain Springs Dam 2 ) South Branch Bowman Creek Dundaff Dam 7 ft (2.1 m) 2010 Clifford Township 41°38′06″N 75°34′24″W / 41.635°N 75.5733°W / 41.635; -75.5733 (Dundaff Dam ) Dundaff Creek Water Supply Dam 9 ft (2.7 m) 2015 Meshoppen 41°38′01″N 76°03′13″W / 41.6335°N 76.0535°W / 41.6335; -76.0535 (Water Supply Dam ) Little Meshoppen Creek Pomeroy Memorial Dam 24 ft (7.3 m) 1996 Troy 41°47′12″N 76°49′17″W / 41.7867°N 76.8214°W / 41.7867; -76.8214 (Pomeroy Memorial Dam ) West Branch Sugar Creek Galeton Dam #2 2013 Galeton 41°44′55″N 77°44′16″W / 41.7487°N 77.7377°W / 41.7487; -77.7377 (Galeton Dam #2 ) Right Branch Wetmore Run West Branch Susquehanna River Right Branch Dam 4.5 ft (1.4 m) 2013 Galeton 41°43′11″N 77°42′28″W / 41.7198°N 77.7078°W / 41.7198; -77.7078 (Right Branch Dam ) Galeton Dam #1 2013 Galeton 41°44′34″N 77°44′38″W / 41.7428°N 77.7439°W / 41.7428; -77.7439 (Galeton Dam #1 ) Wetmore Run Wetmore Run Dam 7 ft (2.1 m) 2013 Galeton 41°42′58″N 77°42′52″W / 41.7161°N 77.7144°W / 41.7161; -77.7144 (Wetmore Run Dam ) Picric Dam 4 ft (1.2 m) 2014 Emporium 41°31′07″N 78°15′23″W / 41.5187°N 78.2563°W / 41.5187; -78.2563 (Picric Dam ) Driftwood Branch Sinnemahoning Creek Cherry Run Dam 2015 Weedville 41°15′47″N 78°31′13″W / 41.2631°N 78.5203°W / 41.2631; -78.5203 (Cherry Run Dam ) Tributary to Cherry Run Axe Factory Dam 2009 Mill Hall 41°05′39″N 77°28′44″W / 41.0942°N 77.479°W / 41.0942; -77.479 (Axe Factory Dam ) Fishing Creek (Bald Eagle Creek tributary) Long Run Dam 7.5 ft (2.3 m) 2016 Greene Township 41°03′51″N 77°21′19″W / 41.0642°N 77.3553°W / 41.0642; -77.3553 (Long Run Dam ) Long Run Mussers Garp Dam 6 ft (1.8 m) 2010 Centre County 40°44′34″N 77°50′40″W / 40.7429°N 77.8444°W / 40.7429; -77.8444 (Mussers Garp Dam ) Tributary to Slab Cabin Run Benner Springs Dam 2 ft (0.61 m) 2024 Bellefonte 40°51′04″N 77°49′18″W / 40.8512°N 77.8218°W / 40.8512; -77.8218 (Benner Springs Dam ) Spring Creek Upper Spring Creek Dam (Rock Dam) 3 ft (0.91 m) 2024 Bellefonte 40°52′08″N 77°47′43″W / 40.8689°N 77.7953°W / 40.8689; -77.7953 (Upper Spring Creek Dam (Rock Dam) ) Cabin Hill Dam 1998 Milesburg 40°56′23″N 77°47′18″W / 40.9397°N 77.7883°W / 40.9397; -77.7883 (Cabin Hill Dam ) McCoy-Linn Dam 25 ft (7.6 m) 2007 Milesburg 40°55′52″N 77°47′07″W / 40.931°N 77.7853°W / 40.931; -77.7853 (McCoy-Linn Dam ) Unnamed dam 4.5 ft (1.4 m) 2005 Howard 40°58′46″N 77°45′29″W / 40.9795°N 77.7581°W / 40.9795; -77.7581 Wallace Run Washburn Run Dam 5 ft (1.5 m) 2014 Loganton 41°03′26″N 77°21′00″W / 41.0572°N 77.3499°W / 41.0572; -77.3499 (Washburn Run Dam ) Washburn Run Welfare Dam 2000 Renovo 41°20′07″N 77°43′44″W / 41.3353°N 77.7289°W / 41.3353; -77.7289 (Welfare Dam ) Paddy Run Unnamed Glade Run Dam 3 ft (0.91 m) 2007 Muncy 41°10′15″N 76°46′18″W / 41.1708°N 76.7718°W / 41.1708; -76.7718 (Unnamed Glade Run Dam ) Tributary to Glade Run Bailey Dam 2007 New Berlin 40°54′40″N 76°57′46″W / 40.9112°N 76.9627°W / 40.9112; -76.9627 (Bailey Dam ) Tributary to Turtle Creek Big Run Park Dam 2 ft (0.61 m) 2013 Graham Township 41°02′40″N 78°13′10″W / 41.0445°N 78.2195°W / 41.0445; -78.2195 (Big Run Park Dam ) Big Run Big Brown Dam 37 ft (11 m) 2010 Barr Township 40°37′02″N 78°46′52″W / 40.6173°N 78.7811°W / 40.6173; -78.7811 (Big Brown Dam ) Browns Run Eckenrode Mills Dam 5 ft (1.5 m) 2017 East Carroll Township 40°35′56″N 78°39′08″W / 40.599°N 78.6521°W / 40.599; -78.6521 (Eckenrode Mills Dam ) Chest Creek Unnamed dam 2 ft (0.61 m) 2023 Patton 40°37′45″N 78°38′52″W / 40.6292°N 78.6478°W / 40.6292; -78.6478 Patton Dam 12 ft (3.7 m) 2019 Patton 40°37′46″N 78°38′52″W / 40.6295°N 78.6478°W / 40.6295; -78.6478 (Patton Dam ) Cold Stream Dam 6 ft (1.8 m) 2019 Centre County 40°51′06″N 78°12′24″W / 40.8517°N 78.2068°W / 40.8517; -78.2068 (Cold Stream Dam ) Cold Stream Duck Marsh Pond 26 8 ft (2.4 m) 2015 Girard Township 41°14′05″N 78°19′34″W / 41.2346°N 78.3261°W / 41.2346; -78.3261 (Duck Marsh Pond 26 ) Tributary to Mosquito Creek Duck Marsh Pond No. 26 Dam 10 ft (3.0 m) 2014 Girard Township 41°14′05″N 78°19′36″W / 41.2348°N 78.3266°W / 41.2348; -78.3266 (Duck Marsh Pond No. 26 Dam ) Duck Marsh Pond No. 27 Dam 8 ft (2.4 m) 2014 Girard Township 41°14′00″N 78°19′57″W / 41.2333°N 78.3325°W / 41.2333; -78.3325 (Duck Marsh Pond No. 27 Dam ) Berwinsdale Dam 7 ft (2.1 m) 2007 Irvona 40°49′03″N 78°35′59″W / 40.8176°N 78.5998°W / 40.8176; -78.5998 (Berwinsdale Dam ) North Witmer Run Dayton Dam 6 ft (1.8 m) 2010 Centre County 40°51′42″N 78°06′58″W / 40.8617°N 78.1161°W / 40.8617; -78.1161 (Dayton Dam ) Sixmile Run Lower Trout Run Dam (Montola Dam) 8.5 ft (2.6 m) 2019 Centre County 40°48′30″N 78°15′41″W / 40.8084°N 78.2613°W / 40.8084; -78.2613 (Lower Trout Run Dam (Montola Dam) ) Trout Run Middle Trout Run Dam 2.5 ft (0.76 m) 2019 Centre County 40°48′17″N 78°16′01″W / 40.8047°N 78.2669°W / 40.8047; -78.2669 (Middle Trout Run Dam ) Upper Trout Run Dam 4 ft (1.2 m) 2019 Centre County 40°48′15″N 78°16′04″W / 40.8041°N 78.2677°W / 40.8041; -78.2677 (Upper Trout Run Dam ) Garmantown Dam 3 ft (0.91 m) 2019 Cambria County 40°40′51″N 78°48′27″W / 40.6809°N 78.8075°W / 40.6809; -78.8075 (Garmantown Dam ) West Branch Susquehanna River Bear Run Lower Dam 9 ft (2.7 m) 2008 Stewart Township 39°53′57″N 79°27′30″W / 39.8992°N 79.4582°W / 39.8992; -79.4582 (Bear Run Lower Dam ) Bear Run Youghiogheny River Bear Run Upper Dam 5 ft (1.5 m) 2008 Stewart Township 39°53′57″N 79°27′31″W / 39.8991°N 79.4587°W / 39.8991; -79.4587 (Bear Run Upper Dam ) Bigby Dam 25 ft (7.6 m) 2011 Garrett 39°51′33″N 79°04′29″W / 39.8593°N 79.0747°W / 39.8593; -79.0747 (Bigby Dam ) Bigby Run Dunbar #1 16 ft (4.9 m) 2018 Dunbar Township 39°57′12″N 79°34′43″W / 39.9534°N 79.5787°W / 39.9534; -79.5787 (Dunbar #1 ) Dunbar Creek Dunbar #4 Dam 14 ft (4.3 m) 2016 Dunbar Township 39°57′12″N 79°34′43″W / 39.9534°N 79.5787°W / 39.9534; -79.5787 (Dunbar #4 Dam ) Dunbar 2 Dam 12 ft (3.7 m) 2017 Dunbar 39°56′56″N 79°34′43″W / 39.949°N 79.5786°W / 39.949; -79.5786 (Dunbar 2 Dam ) Dunbar 3 Dam 12 ft (3.7 m) 2017 Dunbar 39°56′50″N 79°34′45″W / 39.9472°N 79.5791°W / 39.9472; -79.5791 (Dunbar 3 Dam ) Dunbar Creek Lower Jack Dam 4 ft (1.2 m) 2022 Dunbar 39°56′10″N 79°35′11″W / 39.936°N 79.5865°W / 39.936; -79.5865 (Dunbar Creek Lower Jack Dam ) Dunbar Creek Upper Jack Dam 2 ft (0.61 m) 2022 Dunbar 39°56′07″N 79°35′14″W / 39.9352°N 79.5871°W / 39.9352; -79.5871 (Dunbar Creek Upper Jack Dam ) Greenlick Run Lower Dam 8 ft (2.4 m) 2022 Mt. Pleasant 40°06′23″N 79°30′22″W / 40.1063°N 79.5061°W / 40.1063; -79.5061 (Greenlick Run Lower Dam ) Greenlick Run Greenlick Run Upper Dam 6 ft (1.8 m) 2022 Mt. Pleasant 40°06′18″N 79°30′04″W / 40.105°N 79.501°W / 40.105; -79.501 (Greenlick Run Upper Dam ) Howell Dam 23 ft (7.0 m) 2009 Irwin 40°17′09″N 79°42′31″W / 40.2858°N 79.7087°W / 40.2858; -79.7087 (Howell Dam ) Tributary to Little Sewickley Creek Log Dam (Rock Dam) 3 ft (0.91 m) 2020 Fayette County 39°48′31″N 79°28′58″W / 39.8086°N 79.4828°W / 39.8086; -79.4828 (Log Dam (Rock Dam) ) Long Run Meadow Run Dam 4 ft (1.2 m) 2010 Stewart Township 39°51′01″N 79°30′15″W / 39.8504°N 79.5042°W / 39.8504; -79.5042 (Meadow Run Dam ) Meadow Run Siebert Dam 2012 Somerset County 39°46′54″N 78°59′01″W / 39.7816°N 78.9835°W / 39.7816; -78.9835 (Siebert Dam ) Miller Run Lower Friendship Dam 30 ft (9.1 m) 1982 Upper Friendship Dam 12 ft (3.7 m) 1982 Lemon House Pond Dam 15 ft (4.6 m) 1984 No Name Dam at Peace Light Inn 7 ft (2.1 m) 1991 Butterfield Pond Dam 13 ft (4.0 m) 1992 Van Horn Dam #1 8 ft (2.4 m) 1991 Upper Makefield Township Van Horn Dam #5 12 ft (3.7 m) 1991 Upper Makefield Township Unnamed dam 5 ft (1.5 m) 2009 Northumberland Johnson Run Unnamed dam 5 ft (1.5 m) 1998 Laural Run Niederriter Farm Pond Dam 21 ft (6.4 m) 1995 Mill Creek Red Run Dam 7 ft (2.1 m) 1996 Red Run