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Atascadero Creek (Sonoma County, California)

From Wikipedia, the free encyclopedia

Atascadero Creek
Atascadero Creek (681023243).jpg
Location of the mouth of Atascadero Creek in California
CountryUnited States
RegionSonoma County
CitiesGraton, California, Sebastopol, California
Physical characteristics
SourceEnglish Hill
 • location3 mi (5 km) southwest of Sebastopol, California
 • coordinates38°20′50″N 122°51′48″W / 38.34722°N 122.86333°W / 38.34722; -122.86333[1]
 • elevation825 ft (251 m)
MouthGreen Valley Creek
 • location
2 mi (3 km) northwest of Graton, California
 • coordinates
38°26′54″N 122°53′13″W / 38.44833°N 122.88694°W / 38.44833; -122.88694[1]
 • elevation
89 ft (27 m)[1]

Atascadero Creek is an 8.8-mile-long (14.2 km)[2] north-flowing stream in Sonoma County, California, United States, which empties into Green Valley Creek.


Atascadero Creek springs from the north flank of English Hill, just north of Burnside Road, about 3 miles (5 km) southwest of Sebastopol. It descends to the north, flowing under Barnett Valley Road, Watertrough Road, and Bodega Highway. It continues north through Ragle Ranch Regional Park in the city of Sebastopol,[3] then crosses Mill Station Road, Occidental Road, Graton Road, and Green Valley Road to enter Green Valley Creek about 2 mi (3 km) northwest of Graton.[4] Atascadero Creek is the central channel of the Atascadero Wetland system, designated by the Army Corps of Engineers. It falls under increased protection with the 2015 “new rule” augmenting the 1972 Federal Clean Water Act. As a tributary to Green Valley Creek, Atascadero Creek and wetlands are part of the greater Russian River watershed.

Habitat and pollution

As of 2000, Atascadero Creek and its major tributaries supported steelhead trout and California freshwater shrimp.[5] The Atascadero is also historic spawning habitat for threatened steelhead salmon (oncorhynchus mykiss) and endangered coho salmon (oncorhynchus kisutch). Coho salmon are listed among the top ten endangered species under the federal Endangered Species Act. In 2001 a captive breeding program was established below Warm Springs Dam to restore their dwindling population.

See also


  1. ^ a b c U.S. Geological Survey Geographic Names Information System: Atascadero Creek
  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. ^ "Ragle Ranch Regional Park". County of Sonoma. Archived from the original on 16 July 2011. Retrieved 14 August 2011. CS1 maint: discouraged parameter (link)
  4. ^ Camp Meeker (Map). 1:24000. 7.5-minute. United States Geological Survey.
  5. ^ Cox, Bill (2000). "Major Streams in Sonoma County" (PDF). Retrieved 2008-02-15. CS1 maint: discouraged parameter (link)

External links

This page was last edited on 5 October 2019, at 02:28
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