Is Laguna Woods, CA tap water safe?
The short answer
None of the 3 utilities serving Laguna Woods has a result above a legal limit or action level, or a health-based violation since 2016, in EPA’s and California’s records.
El Toro Water District, which serves the most people here, has 1 result above the health goal and 1 result above EPA’s health benchmark. The worst: Lithium at 45 ppb, above EPA’s health benchmark. Health goals are stricter than legal limits and are not enforced.
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 Laguna Woods’s ZIP codes, from EPA’s estimates.
- Open report
El Toro Water District
California · serves 53,415 people · about 16,600 in Laguna Woods
1 result above the health goal and 1 result above EPA’s health benchmark. The worst: Lithium at 45 ppb, above EPA’s health benchmark.
No health-based violations since 2016
- Open report
Moulton Niguel Water District
California · serves 168,315 people · about 950 in Laguna Woods
1 result above EPA’s health benchmark. The worst: Lithium at 43 ppb, above EPA’s health benchmark.
No health-based violations since 2016
- Open report
Laguna Beach County WD
California · serves 18,862 people · about 270 in Laguna Woods
1 result above EPA’s health benchmark. The worst: Lithium at 46.5 ppb, above EPA’s health benchmark.
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 El Toro Water District’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 Laguna Woods
The 3 labs California certifies closest to Laguna Woods, in a straight line. Call first: certification is test by test, and not every lab takes samples from homeowners.
Sierra Analytical Labs, Inc.
Laguna Hills, CA · about 4 miles
Certified for bacteria, nitrate, lead and copper, metals, minerals and other inorganics, organic chemicals
Onterris Laboratories, LLC
Orange, CA · about 16 miles
Certified for bacteria, nitrate, lead and copper, metals, minerals and other inorganics, organic chemicals, disinfection byproducts
Envirocheck, Inc.
Orange, CA · about 16 miles
Certified for lead and copper
Which ZIP codes are in Laguna Woods: 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 Laguna Woods
Other towns in Orange County with a page of their own.
What to do next
- Read El Toro Water District’s full reportEvery result with its dates, the violations, and the certification claim that handles each finding.Open the report
- About LithiumWhat it does to health, where it comes from, and the certification claim that addresses it.About Lithium
- On a private well?No utility tests a well. A certified lab test is the first step.How to test well water