We read 12 results from City of Gulfport’s 2025 water quality report. No results over a legal limit; 3 above a health goal or guideline.
Serves about 72,823 people · Water system ID MS0240003 · Read the district’s 2025 report (opens in a new tab)
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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 |
|---|---|---|---|---|
| Arsenicsingle sample · listed as a violation in the report · Wells · 2025 report, page 2 | 1 ppb | 0.004 ppb | 10 ppb | Above the health goal250x the health goal |
| Gross alpha (radioactivity)single sample · listed as a violation in the report · sampled 2020 · Wells · 2025 report, page 2 | 2.7 pCi/L | 0 pCi/L | 15 pCi/L | Above the health goalThe health goal is zero |
| Lead90th percentile of homes tested, 0 over the action level · listed as a violation in the report · sampled 2023 · Customer taps · 2025 report, page 2 | 2 ppb | 0.2 ppb | 15 ppb (action level) | Above the health goal10x the health goal |
| Bariumhighest measured · range 0.0025 to 0.08 · listed as a violation in the report · Wells · 2025 report, page 2 | 0.08 ppm | 2 ppm | 2 ppm | Below the health goal |
| Chlorinehighest running annual average · range 0.31 to 3.76 · listed as a violation in the report · Distribution system · 2025 report, page 2 | 1 ppm | None set | 4 ppm | Below the legal limit |
| Chromium (total)highest measured · range 2.7 to 7.03 · listed as a violation in the report · Wells · 2025 report, page 2 | 7.03 ppb | None set | 100 ppb | Below the legal limit |
| Copper90th percentile of homes tested, 0 over the action level · listed as a violation in the report · sampled 2023 · Customer taps · 2025 report, page 2 | 0.1 ppm | 0.3 ppm | 1.3 ppm (action level) | Below the health goal |
| Disinfection byproducts (HAA5)highest running annual average · range 13.1 to 16.4 · listed as a violation in the report · Distribution system · 2025 report, page 2 | 16.4 ppb | None set | 60 ppb | Below the legal limit |
| Disinfection byproducts (TTHM)highest running annual average · range 9.18 to 10.7 · listed as a violation in the report · Distribution system · 2025 report, page 2 | 10.7 ppb | None set | 80 ppb | Below the legal limit |
| Fluoridehighest measured · range 0.17 to 0.46 · listed as a violation in the report · Wells · 2025 report, page 2 | 0.46 ppm | 1 ppm | 4 ppm | Below the health goal |
| Lithiumhighest measured · range 9.01 to 15.9 · listed as a violation in the report · Entry points (UCMR5) · 2025 report, page 3 | 15.9 ppb | None set | None | No health limit |
| Sodiumhighest measured · range 46.6 to 97.4 · listed as a violation in the report · sampled 2024 · Wells · 2025 report, page 2 | 97.4 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.
EPA testing for PFAS and lithium
EPA’s own nationwide testing (UCMR 5) found these in City of Gulfport’s water between Dec 2024 and Jun 2025. These are EPA lab results, separate from the district’s report. Anything not listed was not detected.
- Lithium15.9 ppbFound in 28 of 40 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 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.
Radium and uranium
Found: Gross alpha (radioactivity)
What removes it: Reverse osmosis.
Lead
Found: Lead
What removes it: Certified carbon block or RO.
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