Is Bayview, CA tap water safe?
The short answer
None of the 4 utilities serving Bayview has a result above a legal limit or action level, or a health-based violation since 2016, in EPA’s and California’s records.
East Bay MUD, which serves the most people here, has 1 result above the health goal. The worst: Uranium at 5.3 ppb, above the health goal. Health goals are stricter than legal limits and are not enforced.
The water from East Bay MUD is soft to moderately hard depending on the source, 17 to 120 mg/L (1 to 7 grains per gallon). How California’s water compares.
A town can be served by more than one utility, and some homes are on private wells. The name on your water bill tells you which is yours, and your ZIP code narrows it down. They are listed by how many people each serves in Bayview’s ZIP codes, from EPA’s estimates.
- Open report
East Bay MUD
California · serves 1.5 million people · about 2,500 in Bayview
1 result above the health goal. The worst: Uranium at 5.3 ppb, above the health goal. Hardness: soft to moderately hard depending on the source, 17 to 120 mg/L (1 to 7 grains per gallon).
No health-based violations since 2016
- Open report
Humboldt Bay MWD
California · serves 680 people · about 110 in Bayview
1 result above the health goal. The worst: Lead at 1.6 ppb, above the health goal. Hardness: moderately hard, 77 mg/L (4.5 grains per gallon).
No health-based violations since 2016
- Open report
Humboldt C.S.D.
California · serves 19,775 people · under 100 in Bayview
2 results above the health goal. The worst: Arsenic at 4.0 ppb, above the health goal. Hardness: soft to moderately hard depending on the source, 55 to 62 mg/L (3.2 to 3.6 grains per gallon).
No health-based violations since 2016
- Open report
City of Eureka
California · serves 27,078 people · under 100 in Bayview
1 result above the health goal. The worst: Lead at 2.3 ppb, above the health goal.
No health-based violations since 2016
MUD stands for municipal utility district, a local water and sewer district common in Texas.
Water testing near Bayview
The 3 labs California certifies closest to Bayview, in a straight line. Call first: certification is test by test, and not every lab takes samples from homeowners.
Alpha Analytical Laboratories, Inc. - Ukiah
Ukiah, CA · about 14 miles
Certified for bacteria, nitrate, lead and copper, metals, minerals and other inorganics, organic chemicals, disinfection byproducts, radioactivity
K Prime, LLC.
Santa Rosa, CA · about 63 miles
Certified for bacteria, nitrate, lead and copper, metals, minerals and other inorganics, PFAS
Sonoma County Public Health Laboratory
Santa Rosa, CA · about 68 miles
Certified for bacteria
Which ZIP codes are in Bayview: Census 2020 relationship files. Which utilities serve them, and how many people: EPA SDWIS and EPA’s service area map. Each utility’s results: EPA UCMR 5, EPA SDWIS, and EPA’s and the state’s compliance monitoring, as its report lists them. How they are measured: methodology. Certified labs: California State Water Resources Control Board, ELAP accredited laboratories and their fields of accreditation; distances from the Census 2020 ZIP code tabulation area gazetteer.
Near Bayview
Other towns in Contra Costa County with a page of their own.
What to do next
- Read East Bay MUD’s full reportEvery result with its dates, the violations, and the certification claim that handles each finding.Open the report
- About UraniumWhat it does to health, where it comes from, and the certification claim that addresses it.About Uranium
- On a private well?No utility tests a well. A certified lab test is the first step.How to test well water