Los Angeles Cwwd 29 & 80-Malibu water quality

Updated 2026-10-22 · California · Affiliate disclosure

We read 5 results from Los Angeles Cwwd 29 & 80-Malibu’s 2025 water quality report. No results over a legal limit or above a health goal.

Serves about 32,792 people · Water system ID CA1910204 · Read the district’s 2025 report (opens in a new tab)

Open this district in the water lookupCompare with your own test results, see the district map and get matched filters.

Results from the 2025 report

Each number is copied from the district’s report and links to the page it’s printed on. Where the report lists several plants, wells or purchased water, the highest is shown.

ContaminantResultHealth goalLegal limitWhat it means
Chloraminehighest running annual average · range 1.4 to 1.6 · Distribution system · 2025 report, page 31.5 ppmNone set4 ppmBelow the legal limit
Copper90th percentile of 38 homes tested, 0 over the action level · sampled 2023 · Customer taps · 2025 report, page 40.1 ppm0.3 ppm1.3 ppm (action level)Below the health goal
Disinfection byproducts (HAA5)highest running annual average · range 3.8 to 5.7 · Distribution system · 2025 report, page 35.3 ppbNone set60 ppbBelow the legal limit
Disinfection byproducts (TTHM)highest running annual average · range 10 to 31 · Distribution system · 2025 report, page 319 ppbNone set80 ppbBelow the legal limit
Lead90th percentile of 38 homes tested, 0 over the action level · sampled 2023 · Customer taps · 2025 report, page 4Not detected0.2 ppb15 ppb (action level)Not detected

Utility results describe the whole system, measured where water enters the pipes, not your tap. Your home’s plumbing can add lead or copper.

EPA testing for PFAS and lithium

EPA’s own nationwide testing (UCMR 5) found these in Los Angeles Cwwd 29 & 80-Malibu’s water between May 2024 and Feb 2025. These are EPA lab results, separate from the district’s report. Anything not listed was not detected.

  • Lithium12.2 ppbFound in 2 of 3 samples · highest resultAbove EPA’s health reference level of 10 ppb (a guide, not a legal limit)

Source: EPA UCMR 5 occurrence data. The highest single result is shown; one high sample doesn’t mean every glass is that high.

What you can do

Nothing in this report is above a health goal or legal limit. If you’re bothered by taste, smell, hardness or spots, or your home has older pipes, the filter catalog and buyer questions can help you pick, and a test of your own tap shows what your plumbing adds.

More districts: California water quality · All states · Something look wrong? Tell us