Is Weaverville, CA tap water safe?
The short answer
1 of the 2 utilities serving Weaverville has a result above a legal limit or action level, or a health-based violation since 2016, in EPA’s and California’s records: Weaverville C.S.D..
Weaverville C.S.D., which serves the most people here, has 1 result above EPA’s new limit, which takes effect in 2029 and 1 result above the health goal. The worst: PFOS at 19 ppt, above EPA’s new limit, which takes effect in 2029.
The water from Weaverville C.S.D. is soft to moderately hard depending on the source, 37 to 65 mg/L (2.2 to 3.8 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 Weaverville’s ZIP codes, from EPA’s estimates.
- Open report
Weaverville C.S.D.
California · serves 3,975 people · about 480 in Weaverville
1 result above EPA’s new limit, which takes effect in 2029 and 1 result above the health goal. The worst: PFOS at 19 ppt, above EPA’s new limit, which takes effect in 2029. Hardness: soft to moderately hard depending on the source, 37 to 65 mg/L (2.2 to 3.8 grains per gallon).
1 health-based violation since 2016
- Open report
Rush Creek Mutual Water System
California · serves 102 people · under 100 in Weaverville
Nothing in its records is above a health goal. Hardness: soft, 38 mg/L (2.2 grains per gallon).
No health-based violations since 2016
What handles it
Each of these is certified, on a certifier’s listing, for a result above a line in Weaverville C.S.D.’s water, which serves the most people here. Another utility’s report names what handles its own results.
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ZeroWater 10 Cup Pitcher (ZP-010)
Pitcher
- IAPMO listing:NSF/ANSI 42NSF/ANSI 53checked Oct. 4, 2026
Certified for: PFOS, Lead
Aquasana Claryum Direct Connect (AQ-MF-1)
Under-sink carbon
- IAPMO listing:NSF/ANSI 42NSF/ANSI 53NSF/ANSI 401checked Oct. 16, 2026
Certified for: PFOS, Lead
Express Water StreamLine Direct Connect System (USC001)
Under-sink carbon
- IAPMO listing:NSF/ANSI 42NSF/ANSI 53NSF/ANSI 401checked Oct. 16, 2026
Certified for: PFOS, Lead
Water testing near Weaverville
The 3 labs California certifies closest to Weaverville, 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 32 miles
Certified for bacteria
Microbac Laboratories, Inc. - Arcata
Arcata, CA · about 60 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 64 miles
Certified for bacteria
ZIP codes in Weaverville
Which ZIP codes are in Weaverville: 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 Weaverville
Towns nearby with a page of their own.
What to do next
- Read Weaverville C.S.D.’s full reportEvery result with its dates, the violations, and the certification claim that handles each finding.Open the report
- Filters for PFOSRanked by certification and what they cost over five years.The best water filters for PFAS, ranked
- On a private well?No utility tests a well. A certified lab test is the first step.How to test well water