Is Hawaiian Gardens, CA tap water safe?
The short answer
Gswc - Artesia serves Hawaiian Gardens. In EPA’s and California’s records it has 1 result above EPA’s new limit, which takes effect in 2029 and 2 results above the health goal, and no health-based violation since 2016.
The worst: PFOS at 13 ppt, above EPA’s new limit, which takes effect in 2029.
The water from Gswc - Artesia is hard to very hard depending on the source, 130 to 279 mg/L (7.6 to 16.3 grains per gallon). How California’s water compares.
Some homes in a town are on private wells or a small system of their own. The name on your water bill tells you which is yours.
What handles it
Each of these is certified, on a certifier’s listing, for a result above a line in Gswc - Artesia’s water.
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Countertop reverse osmosis
- IAPMO listing:NSF/ANSI 42NSF/ANSI 53NSF/ANSI 58NSF/ANSI 401checked Oct. 4, 2026
Certified for: 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: 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: PFOS, Arsenic
Water testing near Hawaiian Gardens
The 3 labs California certifies closest to Hawaiian Gardens, in a straight line. Call first: certification is test by test, and not every lab takes samples from homeowners.
Food Microbiological Laboratories, Inc.
Cypress, CA · about 3 miles
Certified for bacteria
Long Beach Public Health Laboratory
Long Beach, CA · about 5 miles
Certified for bacteria
AIH Laboratory, Inc.
Anaheim, CA · about 6 miles
Certified for nitrate, lead and copper, metals, minerals and other inorganics
ZIP codes in Hawaiian Gardens
Which ZIP codes are in Hawaiian Gardens: 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 Hawaiian Gardens
Other towns in Los Angeles County with a page of their own.
What to do next
- Read Gswc - Artesia’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