Blue Rock Springs Creek | |
---|---|
Country | United States |
State | California |
Region | Solano County |
City | Vallejo |
Physical characteristics | |
Main source | Sulfur Springs Mountain 10 miles (16 km) east of Vallejo 400 ft (120 m) [1] 38°6′43″N122°11′4″W / 38.11194°N 122.18444°W [1] |
River mouth | Rindler Creek Solano County Fairgrounds in Vallejo 85 ft (26 m) 38°7′51″N122°13′40″W / 38.13083°N 122.22778°W Coordinates: 38°7′51″N122°13′40″W / 38.13083°N 122.22778°W [1] |
Blue Rock Springs Creek is a 3.4-mile-long (5.5 km) [2] stream that rises on Sulfur Springs Mountain in southwestern Solano County, California. A bicycle trail is positioned along the creekside in some of the lower reaches. [3] Water quality is impaired in Blue Rock Springs Creek due to historic cinnabar extraction in this watershed. Blue Rock Springs Creek has been tested for the toxin diazinon and found to have attained an elevated value of 40.9 micrograms per liter; diazinon is a toxic pesticide associated with golf course maintenance. The 36-hole Blue Rock Springs Golf Course lies in this watershed; although diazinon has been banned for golf course use in the U.S., its persistence in the environment is quite high. The stream has had application of a hydrological transport model to analyze flooding potential and to aid in the design of certain stream channel modification carried out in the last quarter of the 20th century to accommodate urbanization of some of the lower reaches.
A stream is a body of water with surface water flowing within the bed and banks of a channel. The stream encompasses surface and groundwater fluxes that respond to geological, geomorphological, hydrological and biotic controls.
Solano County is a county located in the U.S. state of California. As of the 2010 census, the population was 413,344. The county seat is Fairfield.
Water quality refers to the chemical, physical, biological, and radiological characteristics of water. It is a measure of the condition of water relative to the requirements of one or more biotic species and or to any human need or purpose. It is most frequently used by reference to a set of standards against which compliance, generally achieved through treatment of the water, can be assessed. The most common standards used to assess water quality relate to health of ecosystems, safety of human contact, and drinking water.
Cinnabar deposits were extracted from this watershed in the early 1900s at Hastings Mine and St. John's Mine. [4] [5] Shaft construction occurred no earlier than 1918 and mining had ceased by the year 1930.
Cinnabar and cinnabarite, likely deriving from the Ancient Greek: κιννάβαρι (kinnabari), refer to the common bright scarlet to brick-red form of mercury(II) sulfide (HgS) that is the most common source ore for refining elemental mercury, and is the historic source for the brilliant red or scarlet pigment termed vermilion and associated red mercury pigments.
The Hastings Mine is a mineral extraction site approximately 4.5 miles (7.2 km) northeast of the city of Vallejo, Solano County, California. The Hastings site on Sulfur Springs Mountain was used for extraction of cinnabar until the year 1930. The Hastings Mine is classified as a medium priority mine from the standpoint of environmental oversight. In the last inspection of the Hastings Mine in 1997, sediments in a drainage below the mine were found to contain ten parts per million of mercury; furthermore, spring water below the mine exhibited a water concentration of .31 micrograms per liter. Miles of underground shafts were driven in the course of working the quicksilver deposits in the area. In 1989, Earth Metrics reviewed old 1918 maps of workings of the Hastings and St. John's Mines and found that mine shafts were not driven into the site prior to the year 1918.
The St John's Mine is a mineral extraction site approximately three miles north of the city of Vallejo in Solano County, California, United States. The St John's site was used for extraction of cinnabar in the early 1900s. The St. John's Mine is classified as a medium priority mine from the standpoint of environmental oversight. The last inspection of the Hastings Mine occurred in 1997 and found only slight erosion of the considerable mine tailings; however the tailings exceed 10,000 cubic yards (7,600 m3) of material, or one of the largest cinnabar tailings in the State of California. Furthermore, the drainage from St. John's Mine flows to receiving waters of Rindler Creek and thence to Lake Chabot. Miles of underground shafts were driven in the course of working the quicksilver deposits in the area. In 1989, Earth Metrics reviewed old 1918 maps of workings of the Hastings and St. John's Mines and found that mine shafts were not driven into the site prior to the year 1918.
Flood control methods are used to reduce or prevent the detrimental effects of flood waters. Flood relief methods are used to reduce the effects of flood waters or high water levels.
Rindler Creek is a stream that rises on Sulfur Springs Mountain in southwestern Solano County, California. A stream restoration project has been conducted to reverse the damage of cattle overgrazing. One goal of this project is to enhance habitat suitable for the endangered Northern Red-legged Frog. Water quality has been altered in Rindler Creek due to historic cinnabar extraction in this watershed.
Serpentine soil is mostly derived from ultramafic rocks; In particular, serpentinite, a rock formed by the hydration and metamorphic transformation of peridotite. Peridotite is an ultramafic rock from the Earth's upper mantle. Serpentinite is composed of the mineral serpentine; the two terms are often used to mean the rock and soil.
The Arroyo Seco, meaning "dry stream" in Spanish, is a 24.9-mile-long (40.1 km) seasonal river, canyon, watershed, and cultural area in Los Angeles County, California. The area was explored by Gaspar de Portolà who named the stream Arroyo Seco as this canyon had the least water of any they had seen. During this exploration he met the Chief Hahamog-na (Hahamonga) of the Tongva Indians.
Americano Creek is a 7.5-mile (12 km) long westward-flowing stream in the California counties of Sonoma and Marin. It flows into the Estero Americano, a 9.2 mi (15 km) long estuary, and thence to the Pacific Ocean. This article covers both watercourses.
San Mateo Creek is a perennial stream whose watershed includes Crystal Springs Reservoir, for which it is the only natural outlet after passing Crystal Springs Dam.
Sulphur Springs Mountain is a mountain in southwestern Solano County, California. The slopes can be accessed via hiking trails emanating from Blue Rock Springs Park in the city of Vallejo. Cinnabar deposits were extracted from this location in the early 1900s at Hastings Mine and St. John's Mine. Both mines are classified as medium priority mine from the standpoint of environmental oversight for California inactive mines. The highest peak on Sulfur Springs Mountain stands at an elevation of 1,112 feet (339 m), and affords expansive views of the northern San Francisco Bay as well as the Napa River. The rock outcroppings which occur in the Sulphur Springs area are composed of basaltic lava; however, there are also serpentine outcrops, which soils are known to provide habitat for many rare and endangered species in Northern California.
Arroyo Corte Madera del Presidio is a 4.1-mile-long (6.6 km) 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. 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.
Piner Creek is a stream in northeast Santa Rosa, California, United States which originates as an outlet of Fountaingrove Lake. Piner Creek discharges to Santa Rosa Creek which in turn joins the Laguna de Santa Rosa. The upper reaches in the foothills of the Mayacamas Mountains are at elevations of 200 to 300 feet, while the lower and middle reaches are located on the Santa Rosa Plain at elevations of between the 110- and 140-foot contours; therefore, these lower reaches have a gradient of about 1:250 toward the southwest. Geologic studies in the lower and middle reaches of Piner Creek indicate groundwater levels ranging from three to 15 feet below the surface. Prior to extensive urban development of the middle and lower reaches, the landscape earlier bore extensive agricultural uses including plum orchards, which fruit was subsequently processed for prunes.
San Rafael Creek is a watercourse in Marin County, California, United States that discharges to San Rafael Bay, a small embayment of the San Francisco Bay. The mouth of San Rafael Creek is a channelized estuary through an industrial area. San Rafael Creek has a designation under Federal Law Section 303(d) as impaired by diazinon, the principal pollutant causing impairment designations for streams discharging to San Pablo Bay, which is the northern arm of San Francisco Bay. In September 2007, the organization Save The Bay designated San Rafael Creek as one of the top ten "worst trash hot spot" waterways flowing into the San Francisco Bay. The channel portion of San Rafael Creek below the Grand Street Bridge is dredged on a regular maintenance schedule to keep the shallow draft channel navigable. Dredge spoils are disposed of at a site near Alcatraz Island.
Sausal Creek, 3.1 miles (5.0 km) long, is one of the principal creeks in Oakland, California.
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