Stege Marsh, also known as the South Richmond Marshes,is a tidal marshland wetlands area in Richmond, California in western Contra Costa County.
Richmond is a city in western Contra Costa County, California, United States. The city was incorporated on August 7, 1905. Located in the East Bay region of the San Francisco Bay Area, Richmond borders the cities of San Pablo, Albany, El Cerrito and Pinole in addition to the unincorporated communities of North Richmond, Hasford Heights, Kensington, El Sobrante, Bayview-Montalvin Manor, Tara Hills, and East Richmond Heights, and for a short distance San Francisco on Red Rock Island in the San Francisco Bay. Richmond is one of two cities, the other being San Rafael, California, that sits on the shores of San Francisco Bay and San Pablo Bay simultaneously.
Contra Costa County is a county in the state of California in the United States. As of the 2010 census, the population was 1,049,025. The county seat is Martinez. It occupies the northern portion of the East Bay region of the San Francisco Bay Area, and is primarily suburban. The county's name is Spanish for "opposite coast", referring to its position on the other side of the bay from San Francisco. Contra Costa County is included in the San Francisco–Oakland–Hayward, CA Metropolitan Statistical Area.
The marsh is the delta at the mouth of Baxter or Stege Creek, which drains from a watershed extending into the Berkeley Hills in El Cerrito. The marsh is opposite Meeker Slough from where Meeker Slough Creek drains into Campus Bay, which is a part of the Richmond Inner Harbor of the San Francisco Bay.
Baxter Creek or Stege Creek, is a three-branch creek in Richmond and El Cerrito, California, United States, forming the Baxter Creek watershed. The creek has three sources and flows from the Berkeley Hills to Stege Marsh and the San Francisco Bay. The Baxter Creek watershed at-large has 10 sources.
The Berkeley Hills are a range of the Pacific Coast Ranges that overlook the northeast side of the valley that encompasses San Francisco Bay. They were previously called the "Contra Costa Range/Hills", but with the establishment of Berkeley and the University of California, the current usage was applied by geographers and gazetteers.
El Cerrito is a city in Contra Costa County, California, United States, and forms part of the San Francisco Bay Area. It has a population of 23,549 according to the 2010 census. El Cerrito was founded by refugees from the 1906 San Francisco earthquake. It was incorporated in 1917 as a village with 1,500 residents. As of the census in 2000, there were 23,171 people, 10,208 households and 5,971 families in the city. The top 20 employers in the city, according to the 2013 Comprehensive Annual Financial Report, include such entities as the West Contra Costa Unified School District, the City of El Cerrito, Lucky Stores, Pastime ACE Hardware, and Honda of El Cerrito.
The site was polluted by a UC Berkeley Field Station and a Zeneca sulfuric acid manufacturing center. Restoration is underway.The marsh is so polluted that the San Francisco Bay Area Regional Water Quality Control Board named it a "toxic hot spot" and one of the "top 10 most polluted" sites in the Bay Area in 1998. The contamination includes dangerous levels of toxic chemicals and organic compounds such as arsenic, mercury, and PCBs.
Zeneca was a British multinational pharmaceutical company headquartered in London, United Kingdom. It was formed in June 1993 by the demerger of the pharmaceuticals and agrochemicals businesses of Imperial Chemical Industries into a separate company listed on the London Stock Exchange.
The San Francisco Bay Area is a populous region surrounding the San Francisco, San Pablo and Suisun Bay estuaries in the northern part of the U.S. state of California. Although the exact boundaries of the region vary depending on the source, the Bay Area is defined by the Association of Bay Area Governments to include the nine counties that border the aforementioned estuaries: Alameda, Contra Costa, Marin, Napa, San Mateo, Santa Clara, Solano, Sonoma, and San Francisco. Other sources may exclude parts of or even entire counties, or expand the definition to include neighboring counties that don't border the bay such as San Benito, San Joaquin, and Santa Cruz.
A polychlorinated biphenyl (PCB) is an organic chlorine compound with the formula C12H10−xClx. Polychlorinated biphenyls were once widely deployed as dielectric and coolant fluids in electrical apparatus, carbonless copy paper and in heat transfer fluids.
Point Pinole Regional Shoreline is a regional park on the shores of the San Pablo Bay, California, in the United States. It is approximately 2,315 acres (9.37 km2) in area, and is operated by the East Bay Regional Park District. It includes the Dotson Family Marsh and the Point Pinole Lagoon and hosts the North Richmond Shoreline Festival.
San Pablo Bay is a tidal estuary that forms the northern extension of San Francisco Bay in the East Bay and North Bay regions of the San Francisco Bay Area in northern California.
Codornices Creek, 2.0 miles (3.2 km) long, is one of the principal creeks which runs out of the Berkeley Hills in the East Bay area of the San Francisco Bay Area in California. In its upper stretch, it passes entirely within the city limits of Berkeley, and marks the city limit with the adjacent city of Albany in its lower section. Before European settlement, Codornices probably had no direct, permanent connection to San Francisco Bay. Like many other small creeks, it filtered through what early maps show as grassland to a large, northward-running salt marsh and slough that also carried waters from Marin Creek and Schoolhouse Creek. A channel was cut through in the 19th Century, and Codornices flows directly to San Francisco Bay by way of a narrow remnant slough adjacent to Golden Gate Fields racetrack.
Schoolhouse Creek is the name of a creek which flows through the city of Berkeley, California in the San Francisco Bay Area.
Point Isabel is a small promontory on the eastern shore of San Francisco Bay in the Richmond Annex neighborhood of Richmond, USA. It can be reached at the west terminus of Central Ave. from Richmond / El Cerrito.
Campus Bay is an 87-acre (350,000 m2) property in the city of Richmond, California located off Interstate 580 (California), and situated between the San Francisco Bay, the Richmond Annex, and Point Isabel neighborhoods. The area receives its name from its proximity to the UC Berkeley Richmond Field Station.
Cordelia Slough is a 10.8-mile-long (17.4 km) tidal watercourse which discharges to the Suisun Slough, which in turn empties into Grizzly Bay in Solano County, California. The Suisun Slough, fed by the Green River and Red Top Creek, provides a productive habitat for a diversity of aquatic flora and fauna. In particular steelhead migrate up Cordelia Slough to spawn in its two tributaries.
Wildcat Creek is a 13.4-mile-long (21.6 km) creek which flows through Wildcat Canyon situated between the Berkeley Hills and the San Pablo Ridge, emptying into San Pablo Bay in Contra Costa County, northern California.
Fluvius Innominatus or Central Creek is a creek in Richmond and El Cerrito, California in western Contra Costa County. There is one main source and a secondary unnamed tributary. The creek drains into Hoffman Marsh and then flows into the bay through Point Isabel Regional Shoreline's Hoffman Channel. However, before the area was developed and as early as 1899 the creek had 11 sources which stretched far higher into the Berkeley Hills.
San Pablo Creek is an 18.7-mile-long (30.1 km) creek in Contra Costa County, California, United States, which drains the canyon or valley between the San Pablo Ridge and the Sobrante Ridge, parts of the Pacific Coast Ranges east of San Francisco Bay.
Meeker Slough is a slough in Richmond, California, formed by a creek of the same name and drains into the Richmond Inner Harbor, part of San Francisco Bay. The area lies between modern tract housing in the Marina Bay neighborhood and the University of California, Berkeley Richmond Field Station's portion of Western Stege Marsh, which has been cleaned of legacy industrial contamination and restored to a productive tidal salt marsh home to the endangered California clapper rail. The slough is across from Stege Marsh from which Baxter Creek drains across from a small bay they both form known as Campus Bay. The site is currently undergoing wetlands restoration.
Castro Cove is an embayment of the San Pablo Bay in Richmond, California between Point San Pablo and the confluence of Wildcat Creek into Castro Creek.
Castro Rocks are several rocks in Richmond, California protruding from the waters in San Francisco Bay between Castro Point and Red Rock Island.The rocks lie almost directly under the Richmond-San Rafael Bridge (I-580). The rocks are named after Don Víctor Castro a local rancho-era land owner.
Meeker Slough is a creek in Richmond, California, that drains from the flatlands of the Marina Bay neighborhood. It empties into Meeker Slough, a marsh of the same name which empties into Campus Bay in the Richmond Inner Harbor. Meeker Slough is a very short creek that drains from a very flat area and has a very small watershed in comparison to neighboring Baxter Creek, San Pablo Creek and Castro Creeks.
Campus Bay is a baylet of the Richmond Inner Harbor in Richmond, California formed by conflicting drainage on opposite ends from Meeker Slough Creek and Baxter Creek's deltas Meeker Slough and Stege Marsh. The area is formed of intertidal mud flats which are generally submerged except for the lowest of tides. The baylet borders the Campus Bay neighborhood and is a highly environmentally sensitive area due to being one of the few remaining wetlands areas in the San Francisco Bay and from pollution from a former UC Berkeley Field Station.
Richmond Inner Harbor is a deepwater body of water in Richmond, California.
Hoffman Marsh is a wetlands on San Francisco Bay in Richmond, California. The marsh has been protected within Eastshore State Park, and adjacent to Point Isabel Regional Shoreline. The marsh is an important nesting ground for wildfowl and stopping ground on the Pacific Flyway, as it is one of only a handful of undestroyed wetlands in the Bay Area. It borders Point Isabel Regional Shoreline and Interstate 80.
Marin Creek is a creek tributary of Codornices Creek in northwestern Alameda County, California. The lower stretch of Marin Creek is also known as Village Creek.
The Dotson Family Marsh, formerly Breuner Marsh, is a 238-acre regional park on San Pablo Bay in the East San Francisco Bay Area city of Richmond, California, In 2009 the East Bay Regional Parks District acquired the Breuner Marsh site, adding it to Point Pinole Regional Shoreline. A habitat restoration plan for 60 acres of wetlands and 90 acres of California coastal prairie was subsequently approved.
A geographic coordinate system is a coordinate system that enables every location on Earth to be specified by a set of numbers, letters or symbols. The coordinates are often chosen such that one of the numbers represents a vertical position and two or three of the numbers represent a horizontal position; alternatively, a geographic position may be expressed in a combined three-dimensional Cartesian vector. A common choice of coordinates is latitude, longitude and elevation. To specify a location on a plane requires a map projection.
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