California laboratory directory
State-certified laboratory
West County Wastewater District
2377 Garden Tract Road, Richmond, CA, 94801
Services listed in the certification record
Certified for: Drinking water
Address2377 Garden Tract Road, Richmond, CA, 94801
Phone(510) 237-6603
Websitehttps://wcwd.org/about-us/
Certification statuscertified
Certifying stateCalifornia (CA)
Residential customersResidential customers: No
Sample methodSample intake unknown — confirm with lab
Source listOfficial state source
How to use a water testing lab
Contact the laboratory before collecting a sample. Ask whether it offers the test you need, request its current sampling instructions and containers, and confirm timing, pricing, and how to submit the sample.
Listing data fetched from the official source: 2026-09-05T03:25:53+00:00 · View listing data (JSON)
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