Is Fairview, CA tap water safe?
The short answer
Neither of the 2 utilities serving Fairview has a result above a legal limit or action level, or a health-based violation since 2016, in EPA’s and California’s records.
City of Hayward, which serves the most people here, has 1 result above the health goal. The worst: Arsenic at 0.75 ppb, above the health goal. Health goals are stricter than legal limits and are not enforced.
The water from City of Hayward is hard to very hard depending on the source, 131 to 260 mg/L (7.7 to 15.2 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 Fairview’s ZIP codes, from EPA’s estimates.
- Open report
City of Hayward
California · serves 162,954 people · about 13,400 in Fairview
1 result above the health goal. The worst: Arsenic at 0.75 ppb, above the health goal. Hardness: hard to very hard depending on the source, 131 to 260 mg/L (7.7 to 15.2 grains per gallon).
No health-based violations since 2016
- Open report
East Bay MUD
California · serves 1.5 million people · about 5,800 in Fairview
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
MUD stands for municipal utility district, a local water and sewer district common in Texas.
What handles it
Each of these is certified, on a certifier’s listing, for a result above a line in City of Hayward’s water, which serves the most people here. Another utility’s report names what handles its own results.
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Countertop reverse osmosis
- IAPMO listing:NSF/ANSI 42NSF/ANSI 53NSF/ANSI 58NSF/ANSI 401checked Oct. 4, 2026
Certified for: Arsenic
Aquasana SmartFlow Reverse Osmosis (AQ-SFRO2)
Under-sink reverse osmosis
- WQA listing:NSF/ANSI 42NSF/ANSI 53NSF/ANSI 58NSF/ANSI 401checked Oct. 9, 2026
Certified for: Arsenic
Brondell Capella RC250 Reverse Osmosis System
Under-sink reverse osmosis
- WQA listing:NSF/ANSI 42NSF/ANSI 53NSF/ANSI 58NSF/ANSI 401checked Oct. 9, 2026
Certified for: Arsenic
Water testing near Fairview
The 3 labs California certifies closest to Fairview, in a straight line. Call first: certification is test by test, and not every lab takes samples from homeowners.
SGS North America
Hayward, CA · about 4 miles
Certified for bacteria
EMSL Analytical Inc.
San Leandro, CA · about 8 miles
Certified for asbestos
Alpha Analytical Laboratories, Inc.
Livermore, CA · about 9 miles
Certified for bacteria
Which ZIP codes are in Fairview: 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 Fairview
Other towns in Alameda County with a page of their own.
What to do next
- Read City of Hayward’s full reportEvery result with its dates, the violations, and the certification claim that handles each finding.Open the report
- Filters for ArsenicRanked by certification and what they cost over five years.The best reverse osmosis systems, ranked
- On a private well?No utility tests a well. A certified lab test is the first step.How to test well water