Cal Am - Meadowbrook water quality

Updated 2026-10-25 · California · Affiliate disclosure

We read 4 results from Cal Am - Meadowbrook’s 2025 water quality report. No results over a legal limit or above a health goal.

Serves about 5,656 people · Water system ID CA2410008 · 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
Chlorideaverage · range 8.6 to 26 · 2025 report, page 517 ppm—250 ppm guidelineWithin the guideline
Sulfateaverage · range 6.3 to 14 · 2025 report, page 58.8 ppm—250 ppm guidelineWithin the guideline
Total dissolved solidsaverage · range 230 to 420 · 2025 report, page 5296 ppm—500 ppm guidelineWithin the guideline
Conductivityaverage · range 310 to 640 · 2025 report, page 5424 µS/cmNone setNoneNo health limit

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 Cal Am - Meadowbrook’s water between Jun 2024 and Jan 2025. These are EPA lab results, separate from the district’s report. Anything not listed was not detected.

  • PFOS8.3 pptFound in 4 of 6 samples · highest resultAbove the federal limit that takes effect in 2029 (4 ppt)

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 here is an emergency notice: if the district has a violation, it must tell customers directly. If you’d like to lower these at your tap, these are the treatments that remove them, and the catalog shows the models certified for each. Ranking is by certified removal; commissions never change the order.

PFAS ("forever chemicals")

Found: PFOS (EPA testing)

What removes it: Reverse osmosis.

See filters that remove itWhat water filter removes PFAS?

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