We read 7 results from City of Long Beach’s 2025 water quality report. No results over a legal limit or above a health goal.
Serves about 18,514 people · Water system ID MS0240005 · 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.
| Contaminant | Result | Health goal | Legal limit | What it means |
|---|---|---|---|---|
| Bariumaverage · range 0.0087 to 0.02 · 2025 report, page 3 | 0.01 ppm | 2 ppm | 2 ppm | Below the health goal |
| Cyanideaverage · range ND to 17.1 · printed as 0.01535 ppm · 2025 report, page 3 | 15.4 ppb | 150 ppb | 200 ppb | Below the health goal |
| Disinfection byproducts (HAA5)highest running annual average · range 11.5 to 12.6 · 2025 report, page 2 | 12.1 ppb | None set | 60 ppb | Below the legal limit |
| Disinfection byproducts (TTHM)highest running annual average · range 2.61 to 7.22 · 2025 report, page 2 | 4.92 ppb | None set | 80 ppb | Below the legal limit |
| Fluorideaverage · range 0.18 to 0.21 · 2025 report, page 3 | 0.19 ppm | 1 ppm | 4 ppm | Below the health goal |
| Lithiumaverage · range 9.09 to 15.7 · sampled 2024 · 2025 report, page 4 | 12.1 ppb | None set | None | No health limit |
| Sodiumhighest measured · range 44.7 to 110 · sampled 2024 · 2025 report, page 4 | 110 ppm | None set | None | No 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. 3 numbers we weren’t sure about are held back until a person checks.
EPA testing for PFAS and lithium
EPA’s own nationwide testing (UCMR 5) found these in City of Long Beach’s water between Dec 2023 and Mar 2025. These are EPA lab results, separate from the district’s report. Anything not listed was not detected.
- Lithium15.7 ppbFound in 13 of 14 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: Mississippi water quality · All states · Something look wrong? Tell us