Is Laton, CA tap water safe?
The short answer
2 of the 3 utilities serving Laton have a result above a legal limit or action level, or a health-based violation since 2016, in EPA’s and California’s records: Laton Community Services District and Zonneveld Dairy - Cedar.
Laton Community Services District, which serves the most people here, has 2 results above EPA’s new limit, which takes effect in 2029 and 2 results above the health goal. The worst: PFOA at 6.2 ppt, above EPA’s new limit, which takes effect in 2029.
The water from Laton Community Services District is soft to moderately hard depending on the source, 30 to 100 mg/L (1.8 to 5.8 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 Laton’s ZIP codes, from EPA’s estimates.
- Open report
Laton Community Services District
California · serves 1,151 people · under 100 in Laton
2 results above EPA’s new limit, which takes effect in 2029 and 2 results above the health goal. The worst: PFOA at 6.2 ppt, above EPA’s new limit, which takes effect in 2029. Hardness: soft to moderately hard depending on the source, 30 to 100 mg/L (1.8 to 5.8 grains per gallon).
1 health-based violation since 2016
- Open report
Zonneveld Dairy - Cerini
California · serves 36 people · under 100 in Laton
3 results above the health goal. The worst: Nitrate at 15 ppm, above the health goal. Hardness: soft, 15 mg/L (0.9 grains per gallon).
No health-based violations since 2016
- Open report
Zonneveld Dairy - Cedar
California · serves 68 people · under 100 in Laton
2 results above the health goal. The worst: Uranium at 28.3 ppb, above the health goal. Hardness: soft, 2.9 mg/L (0.2 grains per gallon).
5 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 Laton Community Services District’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: PFOA, PFOS, 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: PFOA, PFOS, 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: PFOA, PFOS, Arsenic
Water testing near Laton
The 3 labs California certifies closest to Laton, in a straight line. Call first: certification is test by test, and not every lab takes samples from homeowners.
Fruit Growers Laboratory, Inc.
Visalia, CA · about 20 miles
Certified for bacteria
Moore Twining Associates, Inc.
Fresno, CA · about 21 miles
Certified for bacteria, nitrate, lead and copper, metals, minerals and other inorganics, organic chemicals, disinfection byproducts, radioactivity
BSK Associates
Fresno, CA · about 21 miles
Certified for bacteria, nitrate, lead and copper, metals, minerals and other inorganics, organic chemicals, disinfection byproducts, PFAS, radioactivity
ZIP codes in Laton
Which ZIP codes are in Laton: 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 Laton
Other towns in Fresno County with a page of their own.
What to do next
- Read Laton Community Services District’s full reportEvery result with its dates, the violations, and the certification claim that handles each finding.Open the report
- Filters for PFOARanked 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