Is Lynwood, CA tap water safe?
The short answer
Neither of the 2 utilities serving Lynwood has a result above a legal limit or action level, or a health-based violation since 2016, in EPA’s and California’s records.
Lynwood - City, Water Dept., which serves the most people here, has 2 results above EPA’s new limit, which takes effect in 2029, 2 results above the health goal and 1 result above EPA’s health benchmark. The worst: PFOS at 23 ppt, above EPA’s new limit, which takes effect in 2029.
The water from Lynwood - City, Water Dept. is very hard, typically 270 mg/L (15.8 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 Lynwood’s ZIP codes, from EPA’s estimates.
- Open report
Lynwood - City, Water Dept.
California · serves 66,967 people · about 59,700 in Lynwood
2 results above EPA’s new limit, which takes effect in 2029, 2 results above the health goal and 1 result above EPA’s health benchmark. The worst: PFOS at 23 ppt, above EPA’s new limit, which takes effect in 2029. Hardness: very hard, typically 270 mg/L (15.8 grains per gallon).
No health-based violations since 2016
- Open report
Liberty Utilities - Lynwood
California · serves 24,649 people · about 7,000 in Lynwood
2 results above EPA’s new limit, which takes effect in 2029, 3 results above the health goal and 1 result above EPA’s health benchmark. The worst: PFOS at 17 ppt, above EPA’s new limit, which takes effect in 2029. Hardness: hard to very hard depending on the source, 180 to 270 mg/L (10.5 to 15.8 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 Lynwood - City, Water Dept.’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: PFOS, PFOA, 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: PFOS, PFOA, 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: PFOS, PFOA, Arsenic
Water testing near Lynwood
The 3 labs California certifies closest to Lynwood, in a straight line. Call first: certification is test by test, and not every lab takes samples from homeowners.
Los Angeles County Public Health Laboratory
Downey, CA · about 2 miles
Certified for bacteria
SGS Forensic Laboratories
Carson, CA · about 5 miles
Certified for metals
Michelson Laboratories, Inc.
Commerce, CA · about 5 miles
Certified for bacteria, nitrate, lead and copper, metals, minerals and other inorganics
ZIP codes in Lynwood
Which ZIP codes are in Lynwood: 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 Lynwood
Other towns in Los Angeles County with a page of their own.
What to do next
- Read Lynwood - City, Water Dept.’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