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Ocean Water Quality

Sonoma County has approximately 64 miles of coastal beaches. 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 this criteria.

Environmental Health & Safety monitors bacterial levels by collecting and testing weekly water samples between April 1 and Oct 31.

Water Quality Test Results

Gualala Regional Park Beach

Date Collected:May 22, 2017
Total Coliform:Less than 10
Escherichia coli:Less than 10
Enterococcus:Less than 10
Beach Status:Open

Beach is open. Health risk is low for water contact. Bacterial levels are within State standards.

Black Point Regional Park Beach

Date Collected:May 22, 2017
Total Coliform:Less than 10
Escherichia coli:Less than 10
Enterococcus:Less than 10
Beach Status:Open

Beach is open. Health risk is low for water contact. Bacterial levels are within State standards.

Stillwater Regional Park Beach

Date Collected:May 22, 2017
Total Coliform:Less than 10
Escherichia coli:Less than 10
Enterococcus:Less than 10
Beach Status:Open

Beach is open. Health risk is low for water contact. Bacterial levels are within State standards.

Goat Rock State Beach

Date Collected:May 22, 2017
Total Coliform:Less than 10
Escherichia coli:Less than 10
Enterococcus:Less than 10
Beach Status:Open

Beach is open. Health risk is low for water contact. Bacterial levels are within State standards.

Salmon Creek State Beach

Date Collected:May 22, 2017
Total Coliform:Less than 10
Escherichia coli:Less than 10
Enterococcus:Less than 10
Beach Status:Open

Beach is open. Health risk is low for water contact. Bacterial levels are within State standards.

Campbell Cove State Beach

Date Collected:May 22, 2017
Total Coliform:10
Escherichia coli:Less than 10
Enterococcus:Less than 10
Beach Status:Open

Beach is open. Health risk is low for water contact. Bacterial levels are within State standards.

Doran Regional Park Beach

Date Collected:May 22, 2017
Total Coliform:Less than 10
Escherichia coli:Less than 10
Enterococcus:Less than 10
Beach Status:Open

Beach is open. Health risk is low for water contact. Bacterial levels are within State standards.

Download 2017 test results - all locations

State Standards

Total Coliform

1,000 per 100 ml if Fecal/Total is greater than  .1
10,000 per 100 ml if Fecal/Total is less than  .1

Escherichia coli

400 per 100 ml

Enterococcus

104 per 100 ml

30 Day Averaging

Total Coliform

1,000 per 100 ml

Escherichia coli

200 per 100 ml

Enterococcus

35 per 100 ml

Where Water Samples are Collected

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Contact Information

Public Health Division
County of Sonoma
Business Hours
Monday – Friday
7:30 AM – 4:30 PM
Contact us by Phone
Address
Office Location
625 5th Street
Santa Rosa, CA 95404
38.44178, -122.7158781

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