County of SonomaCounty of Sonoma Department of Health Services  
Sonoma Coast

Ocean Water Quality Monitoring

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Sonoma County has approximately 64 miles of coastal beaches. In order to protect the health of the public, weekly samples are collected and tested between April 1 and October 31 by the Environmental Health Division to monitor bacterial levels.

Ocean water samples are collected at beaches that are visited by 50,000 people per year and are adjacent to storm drains, creek or rivers. Seven beaches in Sonoma County meet the criteria. See the map for beach locations. Click on a beach name to see its photo.

Interim Campbell Cove Report (654K)

For daily updates, please call our hotline at (707) 565-6552.

Map of beaches

 

Weekly Water Quality Test Results

State Standards Total Coliform (TC): 1,000 per 100 ml if Fecal/Total is > .1; 10,000 per 100 ml if Fecal/Total is < .1
Fecal Coliform (FC): 400 per 100 ml
Enterococcus (ENT): 104 per 100 ml
30 Day Averaging Total Coliform (TC): 1,000 per 100 ml
Fecal Coliform (FC): 200 per 100 ml
Enterococcus (ENT): 35 per 100 ml

 

 Open

Bacterial levels are below State standards. There are no restrictions to water contact activity.

 Advisory

Bacterial levels have exceeded State standards. Contact with water may cause illness and should be avoided.

 Closed

Significant risk to health. Avoid any contact with the water until further notice.

  NS - No sample taken.

 

 Sample
Date
Gualala
Reg. Park Beach
Black Point Beach Stillwater Cove
Reg. Park Beach
Goat Rock
State Park Beach
Salmon Creek
State Park Beach
Campbell Cove
State Park Beach
Doran
Reg. Park Beach
TC
FC
ENT
TC
FC
ENT
TC
FC
ENT
TC
FC
ENT
TC
FC
ENT
TC
FC
ENT
TC
FC
ENT
Sep 2, 2008 <10 <10 <10 <10 <10 <10 <10 <10 <10 <10 <10 <10 <10 <10 <10 464 364 110 41 10 41
Aug 25, 2008 <10 <10 <10 <10 <10 <10 10 <10 <10 161 <10 <10 <10 <10 <10 10 <10 10 <10 <10 <10
Aug 20, 2008                               158 20 10      
Aug 18, 2008 <10 <10 <10 <10 <10 <10 10 <10 10 <10 <10 <10 <10 <10 <10 521 404 41 <10 <10 <10
Aug 11, 2008 <10 <10 <10 <10 <10 <10 <10 <10 <10 <10 <10 <10 <10 <10 41 20 10 30 <10 <10 10
Aug 4, 2008 <10 <10 <10 <10 <10 <10 <10 <10 <10 74 <10 <10 <10 <10 <10 <10 <10 <10 <10 <10 <10
July 28, 2008 <10 <10 <10 10 10 <10 <10 <10 <10 31 10 <10 <10 <10 <10 10 <10 20 <10 <10 10
July 21, 2008 <10 <10 <10 <10 <10 <10 327 10 <10 31 <10 <10 <10 <10 <10 369 278 31 10 <10 <10
July 14, 2008 <10 <10 <10 31 <10 20 10 <10 <10 1,722 <10 <10 <10 <10 <10 132 52 10 <10 <10 <10
July 9, 2008                               278 146 10      
July 7, 2008 <10 <10 <10 <10 <10 <10 10 <10 <10 <10 <10 <10 <10 <10 <10 448 201 135 10 10 <10
July 2, 2008                               <10 <10 <10      
June 30, 2008 <10 <10 <10 <10 <10 <10 <10 <10 <10 <10 <10 <10 <10 <10 <10 41 31 265 <10 <10 20
June 23, 2008 <10 <10 <10 <10 <10 <10 <10 <10 <10 41 10 <10 <10 <10 <10 <10 <10 <10 10 10 10
June 16 , 2008 <10 <10 <10 <10 <10 <10 <10 <10 <10 <10 <10 10 <10 <10 <10 <10 <10 <10 <10 <10 <10
June 9 , 2008 <10 <10 <10 <10 <10 <10 <10 <10 <10 <10 <10 <10 <10 <10 <10 <10 <10 <10 <10 <10 <10
June 2 , 2008 <10 <10 <10 <10 <10 <10 <10 <10 <10 96 10 <10 <10 <10 <10 <10 <10 <10 <10 <10 <10
May 27, 2008 <10 <10 <10 <10 <10 <10 <10 <10 <10 <10 <10 <10 <10 <10 <10 132 132 <10 <10 <10 <10
May 19, 2008 <10 <10 <10 10 10 <10 31 10 <10 10 <10 <10 <10 <10 <10 98 63 10 31 31 <10
May 12, 2008 10 <10 <10 <10 <10 <10 <10 <10 <10 <10 <10 <10 10 <10 <10 <10 <10 <10 <10 <10 <10
May 5, 2008 <10 <10 <10 <10 <10 <10 31 <10 <10 <10 <10 <10 10 <10 <10 880 187 243 41 10 <10
Apr 28, 2008 <10 <10 <10 <10 <10 <10 20 <10 <10 <10 <10 <10 <10 <10 <10 10 <10 <10 <10 <10 <10
Apr 21, 2008 <10 <10 <10 <10 <10 <10 <10 <10 <10 <10 <10 <10 <10 <10 <10 <10 <10 <10 <10 <10 <10
Apr 14, 2008 31 <10 <10 <10 <10 <10 20 20 <10 259 74 <10 <10 <10 <10 41 10 63 <10 <10 <10
Apr 7, 2008 <10 <10 <10 <10 <10 <10 10 10 <10 <10 <10 <10 <10 <10 <10 86 86 <10 20 20 <10
Apr 1, 2008 <10 <10 <10 <10 <10 <10 31 31 <10 10 <10 <10 <10 <10 <10 183 183 20 <10 <10 <10

 

Results from previous years:

PDF Icon 2007
2006
2005

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