Is Trinity Center, CA tap water safe?
The short answer
2 of the 3 utilities serving Trinity Center have a result above a legal limit or action level, or a health-based violation since 2016, in EPA’s and California’s records: Trinity Knolls Mutual Water Company and Seymour'S Mutual Water System.
Trinity Center M.W.C., which serves the most people here, has 1 result above the health goal. The worst: Lead at 1.8 ppb, above the health goal. Health goals are stricter than legal limits and are not enforced.
The water from Trinity Center M.W.C. is moderately hard, 86 mg/L (5 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 Trinity Center’s ZIP codes, from EPA’s estimates.
- Open report
Trinity Center M.W.C.
California · serves 729 people · under 100 in Trinity Center
1 result above the health goal. The worst: Lead at 1.8 ppb, above the health goal. Hardness: moderately hard, 86 mg/L (5 grains per gallon).
No health-based violations since 2016
- Open report
Trinity Knolls Mutual Water Company
California · serves 138 people · under 100 in Trinity Center
2 results above the health goal. The worst: Arsenic at 2.7 ppb, above the health goal. Hardness: moderately hard, 81 mg/L (4.7 grains per gallon).
1 health-based violation since 2016
- Open report
Seymour'S Mutual Water System
California · serves 40 people · under 100 in Trinity Center
1 result above the health goal. The worst: Lead at 2.5 ppb, above the health goal.
1 health-based violation since 2016
What handles it
Each of these is certified, on a certifier’s listing, for a result above a line in Trinity Center M.W.C.’s water, which serves the most people here. Another utility’s report names what handles its own results.
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Brita Tahoe Pitcher with Elite Filter (OB60, OB06)
Pitcher
- WQA listing:NSF/ANSI 42NSF/ANSI 53NSF/ANSI 401checked Oct. 13, 2026
- IAPMO listing:NSF/ANSI 53checked Oct. 13, 2026
Certified for: Lead
Brita Everyday Pitcher with Elite Filter (OB46, OB06)
Pitcher
- WQA listing:NSF/ANSI 42NSF/ANSI 53NSF/ANSI 401checked Oct. 13, 2026
Certified for: Lead
PUR PLUS 11-Cup Pitcher (PPT111W)
Pitcher
- NSF listing:NSF/ANSI 42NSF/ANSI 53NSF/ANSI 401checked Oct. 4, 2026
- WQA listing:NSF/ANSI 42NSF/ANSI 53NSF/ANSI 401checked Oct. 4, 2026
- IAPMO listing:NSF/ANSI 42NSF/ANSI 53NSF/ANSI 401checked Oct. 4, 2026
Certified for: Lead
Water testing near Trinity Center
The 3 labs California certifies closest to Trinity Center, in a straight line. Call first: certification is test by test, and not every lab takes samples from homeowners.
Pace Analytical Services, LLC - Redding
Redding, CA · about 38 miles
Certified for bacteria
Microbac Laboratories, Inc. - Arcata
Arcata, CA · about 67 miles
Certified for bacteria, nitrate, lead and copper, metals, minerals and other inorganics, organic chemicals, disinfection byproducts
Humboldt County Public Health Laboratory
Eureka, CA · about 73 miles
Certified for bacteria
ZIP codes in Trinity Center
Which ZIP codes are in Trinity Center: 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 Trinity Center
Towns nearby with a page of their own.
What to do next
- Read Trinity Center M.W.C.’s full reportEvery result with its dates, the violations, and the certification claim that handles each finding.Open the report
- Filters for LeadRanked by certification and what they cost over five years.The best water filters for lead, ranked
- On a private well?No utility tests a well. A certified lab test is the first step.How to test well water