Dry Creek, Upper Central Valley
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Dry Creek is a stream in Placer County and Sacramento County, California, USA which is formed from the confluence of Cirby Creek and Linda Creek, which join within the city of Roseville, California. Dry Creek ultimately discharges to the Sacramento River. This watershed lies within the region of California known as the Upper Central Valley. Historically Dry Creek and one of its tributaries, Secret Ravine, have supported a viable Chinook Salmon run.[1]
Recently The Placer County Flood Control District embarked upon a $300,000 stream restoration project focussed primarily on the Secret Ravine tributary, in order to provide aquatic biota habitat enhancement and flood control.[2]
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[edit] Route of Dry Creek
Dry Creek is formed by the confluence of Cirby and Linda Creeks slightly northwest of Eastwood Park within the Roseville city limits.[3] Thence Dry Creek flows westward eastward under Interstate Highway 80 and out of the city of Roseville, flowing through the property of the Roseville Sewage Treatment Plant. Fed by further tributaries joining from the north and south, Dry Creek continues in a southwesterly to the Sacramento County line. After crossing into Sacramento County it flows through Gibson Ranch County Park.
[edit] Environmental conditions in the Roseville area
In the Dry Creek watershed four insecticides (DDT, aldrin, heptachlor, and dieldrin, were used extensively for soil insect control between 1945 and 1965;[4] only subsequently was the persistence of these pesticides understood, so that certain residues of these chemical persist in upper soils of some of the upper Dry Creek watershed. In addition there have been instances of subsurface fuel releases in the Roseville (upper catchment basin of Dry Creek) area; in particular, two fuel releases by Southern Pacific have caused contamination in this upper reach of Dry Creek: one at 1600 Vernon and one at 9499 Atkinson.
[edit] See also
[edit] References
- ^ Assessment of Stressors on Fall-Run Chinook Salmon in Secret Ravine
- ^ [http://www.watershedrestoration.water.ca.gov/urbanstreams/pastproj/spr05proj$4m.cfm California Department of Water Resources: Grants for 2004/2005
- ^ California State AAA, Map of Roseville and Folsom , ISBN 1-57835-058-1
- ^ Environmental Site Assessment for Assessor's Parcel Numbers 472-170-26, 472-170-18, 472-170-01, and 472-170-23 on Cirby Way, Roseville, California, Earth Metrics Rpt. 10357, November 30, 1989
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