Arroyo Corte Madera del Presidio

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Arroyo Corte Madero del Presidio
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Arroyo Corte Madera del Presidio near Richardson Bay
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Location of the mouth of Arroyo Corte del Presidio in California
Etymology Spanish language
Location
CountryUnited States
State California
Region Marin County
City Mill Valley, California
Physical characteristics
SourceKnob Hill, Marin County
  location2.5 mi (4 km) west of Corte Madera, California
  coordinates 37°56′3″N122°33′52″W / 37.93417°N 122.56444°W / 37.93417; -122.56444 [1]
  elevation880 ft (270 m)
Mouth Richardson Bay
  location
2 mi (3 km) south of Corte Madera, California
  coordinates
37°53′27″N122°31′25″W / 37.89083°N 122.52361°W / 37.89083; -122.52361 Coordinates: 37°53′27″N122°31′25″W / 37.89083°N 122.52361°W / 37.89083; -122.52361 [1]
  elevation
0 ft (0 m)
Basin size8 sq mi (21 km2)
Basin features
Tributaries 
  rightOld Mill Creek

Arroyo Corte Madera del Presidio is a 4.1-mile-long (6.6 km) [2] year-round stream in southern Marin County, California, United States. This watercourse is also known as Corte Madera Creek, although the actual stream of that name flows into San Francisco Bay further north at Point San Quentin. [3] This watercourse has a catchment basin of about 8 square miles (21 km2) and drains the south-eastern slopes of Mount Tamalpais and much of the area in and around the town of Mill Valley; this stream discharges to Richardson Bay.

Contents

History

Arroyo Corte Madera del Presidio is named for the Spanish corte de madera meaning "a place where wood is cut". In this case the wood was cut for the building of the Presidio of San Francisco. [4] In 1834, the governor of Alta California José Figueroa awarded to John T. Reed the first land grant in Marin, Rancho Corte Madera del Presidio.

Ecology

A 1965 stream survey indicated presence of steelhead within 100 ft (30 m) of the dam. A 1990 study indicated the water quality of upper Richardson Bay below the discharge of Arroyo Corte Madera del Presidio to be impaired by high nutrient and coliform levels; [5] This same study indicated that Arroyo Corte Madera del Presidio is subject to periodic flooding.

A private organization, the Mill Valley Streamkeepers, is active in research and conservation of this creek. Some historic information about Arroyo Corte Madera concerning water quality and fish habitat is found at the KRIS (Klamath Resource Information System) website. [6]

Watershed

Arroyo Corte Madera del Presidio Creek is joined by Old Mill Creek on the right in Mill Valley. Old Mill Creek, and its Cascade Creek tributary, begin high on the east peak of Mount Tamalpais. Cascade Creek has a small dam and reservoir which was built by noted engineer Michael M. O'Shaughnessy for The Tamalpais Land & Water Co. for water supply to Mill Valley.

Land uses

The stream's discharge location, into Richardson Bay occurs within the Mill Valley municipal Bayfront Park. The Arroyo Corte Madera del Presidio enters Richardson Bay from the west, while Mill Creek enters Richardson Bay nearby from the north via Bothin Marsh. Bayfront Park features many active uses including a bicycle path, walking paths, a dog park and picnic areas. The park also features a pedestrian/bicycle bridge across the tidal portion of Arroyo Corte Madera del Presidio, which is the best single viewing location of the creek in its lower reaches. Slightly further upstream the stream winds through moderately dense single family development, with backyards offering terraces and decks on the banks of Arroyo Corte Madera del Presidio.

Fish stream surveys

Old Mill Creek tributary with the old mill in the background. Cascade Creek Mill Valley, CA Hugh Kuhn Winter 2011.jpg
Old Mill Creek tributary with the old mill in the background.

The first recorded stream survey occurred in the year 1946; this survey by the California Department of Fish and Game found some healthy steelhead (Oncorhynchus mykiss) within the stream. [7] The next Department of Fish and Game survey transpired in 1963, finding numerous steelhead of lengths varying between 2 inches (5 cm) and 6 inches (15 cm); this survey concluded that the lower 3.5 miles (6 km) of the creek represented an important nursery and rearing habitat for steelhead and possibly for Coho salmon. The next survey in August 1965 concluded that the habitat was an excellent resource, with deep shaded pools and an average of 75 steelhead per 100 feet (30 m) of lineal stream. In 1984, steelhead were still found to be present. A 1991 stream survey documented the historical presence of Coho salmon. [8] The next survey in 1994 found abundant steelhead, ranging from densities of 0.1 to 0.6 fish per square yard (0.1-0.7 per square meter). [7] The 1997 stream survey found densities of steelhead ranging from seven to twelve fish per 100 lineal feet (30 lineal meters), depending on stream reach. In its 2004 "Recovery Strategy for California Coho Salmon" the California Department of Fish and Game recommends restoration of Arroyo Corte Madera's historic coho salmon habitat. This is one of only two San Francisco Bay Area streams considered in the Department's Strategy to be essential to the recovery of coho salmon in California. [9]

Role of Mill Valley Streamkeepers

The Mill Valley Streamkeepers is a private non-profit organization established to promote research, awareness and conservation of streams in the Mill Valley area. This group includes scientists and laymen and has participated in the following specific studies involving Arroyo Corte Madera del Presidio: [10]

See also

Related Research Articles

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Richardson Bay arm of San Francisco Bay

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Lagunitas Creek Stream in California, United States

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San Francisquito Creek

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Redwood Creek (Marin County)

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San Gregorio Creek

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Pescadero Creek

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Walker Creek (Marin County, California)

Walker Creek is a northwest-flowing stream in western Marin County, California, United States. It originates at the confluence of Salmon Creek and Arroyo Sausal and empties into Tomales Bay south of Dillon Beach, California.

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Searsville Dam Dam in San Mateo County, California, USA

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San Anselmo Creek

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Larkspur Creek

Larkspur Creek is a short stream which flows 3.5 miles east to meet Corte Madera Creek in Larkspur, California just before reaching Richardson's Bay. The creek was named for the town of Larkspur, which was named by Georgiana Wright, a Briton and spouse of the 1887 developer of the area. She named the town of Larkspur for lupine flowers on the hills that she mistook for larkspur.

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Chileno Creek

Chileno Creek is a stream in western Marin County, California, United States. It originates west of Petaluma, California at 220-acre Laguna Lake which straddles Marin and Sonoma Counties, from which it flows west 6.25 kilometres (3.88 mi) before joining Walker Creek, a tributary of Tomales Bay.

References

  1. 1 2 U.S. Geological Survey Geographic Names Information System: Arroyo Corte Madera Del Presidio
  2. U.S. Geological Survey. National Hydrography Dataset high-resolution flowline data. The National Map Archived 2012-04-05 at WebCite , accessed March 9, 2011
  3. U.S. Geological Survey Geographic Names Information System: Corte Madera Creek
  4. Erwin G. Gudde; William Bright (2004). California Place Names: The Origin and Etymology of Current Geographical Names. University of California Press. p. 92. ISBN   978-0-520-24217-3 . Retrieved 2010-08-30.
  5. C.Michael Hogan, Gary Deghi et al., Environmental Impact Report for the Whalers Point Hotel Project on Richardson Bay , Earth Metrics Inc., Report No. 7980, California State Clearinghouse, County of Marin, California (1990)
  6. Klamath Resource Information System: Arroyo Corte Madera
  7. 1 2 Arroyo Corte Madera del Presidio watershed stream surveys
  8. Historic stream surveys in Marin County Archived October 1, 2006, at the Wayback Machine
  9. State of California Coho Recovery
  10. Mill Valley Streamkeepers organization newsletter Archived September 30, 2007, at the Wayback Machine
  11. Benthic Macroinvertebrate Sampling in the Arroyo Corte Madera Del Presidio Watershed, Marin County, California, Spring, 2005
  12. KRIS website: 2005 Data
  13. KRIS Website: Arroyo Corte Madera Del Presidio, Sept, 2005