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LINK. Weekly Beach and Creek Water Sample Results.
Avoid contact with the following beaches and creeks due to elevated levels of bacteria that may be hazardous to your health. Do not swim in ocean waters during, and 3 days after a storm event. Always stay at least 300 feet from a flowing storm drain or creek mouth.
Sign up for Weekly Email ~ San Mateo County Beach and Creek Mouth Monitoring webpage
More Info
Sign up for Weekly Email ~ San Mateo County Beach and Creek Mouth Monitoring webpage
Water samples from natural recreational waters in San Mateo County are sampled each week for concentrations of indicator bacteria.
If concentrations of indicator bacteria exceed State or County standards, the area is posted to warn users that they may become ill if they engage in water contact activities in the posted area.
As a reminder, we advise against swimming in ocean waters during and 3 days after a storm. When swimming in ocean waters, always stay at least 300 feet from a flowing storm drain or creek mouth.
Join the Monday morning San Mateo County Volunteer Sampling Team and help protect beach users. For more information, see the Volunteer Opportunities in the FAQ section below.
San Mateo County Interactive Beach Map
State My Water Quality Webpage
IMPORTANT NOTICE:
The following list was last updated Wednesday, December 30, 2020 based on samples collected Monday, December 21, 2020.
Please note: no samples were collected this week (Monday, December 28) due to the holidays and office closure.
Certain beaches and creeks may not have been sampled this week due to closures or inaccessibility. Sites that were not sampled are shown in gray on the San Mateo County Interactive Beach Map (view in desktop mode if map is unresponsive).
The following locations have elevated levels of indicator bacteria and are posted with warning signs.
OCEAN BEACHES
- Rockaway Beach
- Linda Mar Beach
- Pillar Point #8 (Maverick’s Parking)
- Pillar Point #7 (Surf-West Point Ave)
- Pillar Point #5 (Capistrano Beach)
- Pillar Point #9 (Outer Harbor)
- Surfers Beach
- Roosevelt Beach
- Dunes Beach
- Venice Beach
- Francis Beach
CREEKS (WHERE THEY MEET OR CROSS THE BEACH)
- None
BAY BEACHES
- Coyote Point
- Kiteboard Beach
- Erckenbrack Park
- Gull Park
- Marlin Park
Signs limiting the recreational use of these waters have been posted and will remain in place until the level of indicator bacteria drop below State thresholds. You can also check for closures and postings on San Mateo County’s Beach/Creek Posting Hotline announcement at (650) 599-1266
. Read on for more information on the County’s Recreational Water Quality Monitoring Program, including:
- Description of the County’s Monitoring Program
- Posting Criteria
- Explanation of Signs
- What Waters to Avoid
- Description of Exposure Symptoms
- Volunteer Opportunities
Recreational Water Quality Monitoring in San Mateo County
Thousands of people use San Mateo County swimming areas annually. On any one day, people can be found swimming, surfing, body-surfing, diving, or just walking through the water’s edge at any of the Ocean or Bay water beaches in San Mateo County.
Generally, these waters are clean and safe for swimming. However, to ensure public health and safety, San Mateo County Environmental Health Services, with the help of volunteer samplers, regularly test these waters for contamination. If problems are found the public is notified and steps are taken to control the source of contamination.
FAQ
How often does the County test the water?
What criteria are used to evaluate the sample results?
What do the posted signs mean?
What waters should I avoid?
Can I get sick from swimming in the ocean or streams?
What should I do if I think I have gotten sick from the water?
Volunteer Opportunities
Author: Coastside Buzz
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