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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:July 24, 2017
Total Coliform: <10
Escherichia coli: <10
Enterococcus: <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:July 24, 2017
Total Coliform:10
Escherichia coli:10
Enterococcus: <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:July 24, 2017
Total Coliform:52
Escherichia coli: <10
Enterococcus: <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:July 24, 2017
Total Coliform:63
Escherichia coli:<10
Enterococcus: <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:July 24, 2017
Total Coliform: <10
Escherichia coli: <10
Enterococcus: <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:July 24, 2017
Total Coliform:30
Escherichia coli: <10
Enterococcus:20
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:July 24, 2017
Total Coliform: <10
Escherichia coli: <10
Enterococcus:<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

Test Results from Previous Years

State Standards

Total Coliform

10,000 per 100 ml

Escherichia coli

400 per 100 ml

Enterococcus

104 per 100 ml

30-Day Geometric Mean/Average Value

Total Coliform

1,000 per 100 ml

Escherichia coli

126 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
Address
Office Location
625 5th Street
Santa Rosa, CA 95404
38.44178, -122.7158781

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Marine Biotoxin Monitoring Reports

Marine Biotoxin Monitoring Reports

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The California Dept. of Public Health monitors the water along the California coast to provide information on the safety of eating shellfish.

 

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