We read 16 results from Bismarck Pws’s 2025 water quality report. No results over a legal limit; 2 above a health goal or guideline.
Serves about 1,470 people · Water system ID MO4010073 · 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 |
|---|---|---|---|---|
| Lead90th percentile of homes tested, 0 over the action level · Customer taps · 2025 report, page 2 | 1.9 ppb | 0.2 ppb | 15 ppb (action level) | Above the health goal9.5x the health goal |
| Total dissolved solidshighest measured · range 580 to 609 · sampled 2024 · 2025 report, page 3 | 609 ppm | — | 500 ppm guideline | Above the guideline1.2x the guideline (taste, odor or stains; not a health limit) |
| Bariumhighest measured · range 0.03 to 0.03 · sampled 2024 · 2025 report, page 2 | 0.03 ppm | 2 ppm | 2 ppm | Below the health goal |
| Chloridehighest measured · range 16.4 to 16.4 · sampled 2024 · 2025 report, page 3 | 16.4 ppm | — | 250 ppm guideline | Within the guideline |
| Copper90th percentile of homes tested, 0 over the action level · Customer taps · 2025 report, page 2 | 0.22 ppm | 0.3 ppm | 1.3 ppm (action level) | Below the health goal |
| Nitrate (as N)highest measured · range 0.71 to 0.72 · 2025 report, page 2 | 0.72 ppm | 10 ppm | 10 ppm | Below the health goal |
| pHhighest measured · range 8.19 to 8.2 · sampled 2024 · 2025 report, page 3 | 8.2 | — | — | Normal range |
| Sulfatehighest measured · range 184 to 188 · sampled 2024 · 2025 report, page 3 | 188 ppm | — | 250 ppm guideline | Within the guideline |
| Zinchighest measured · range 0.0026 to 0.0028 · sampled 2024 · 2025 report, page 3 | 0.0028 ppm | — | 5 ppm guideline | Within the guideline |
| Alkalinityhighest measured · range 280 to 280 · sampled 2024 · 2025 report, page 3 | 280 ppm | None set | None | No health limit |
| Calciumhighest measured · range 93.8 to 94.1 · sampled 2024 · 2025 report, page 3 | 94.1 ppm | None set | None | No health limit |
| Hardnesshighest measured · range 26.4 to 26.5 · sampled 2024 · 2025 report, page 3 | 26.5 gpg (453 ppm) | — | — | Very hard |
| Magnesiumhighest measured · range 52.8 to 53 · sampled 2024 · 2025 report, page 3 | 53 ppm | None set | None | No health limit |
| Nickelhighest measured · range 3.31 to 3.46 · printed as 0.00346 MG/L · sampled 2024 · 2025 report, page 3 | 3.46 ppb | None set | None | No health limit |
| Potassiumhighest measured · range 1.94 to 2.27 · sampled 2024 · 2025 report, page 3 | 2.27 ppm | None set | None | No health limit |
| Sodiumhighest measured · range 19.3 to 19.4 · sampled 2024 · 2025 report, page 3 | 19.4 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. 1 number we weren’t sure about is held back until a person checks.
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.
Lead
Found: Lead
What removes it: Certified carbon block or RO.
Salty taste / high TDS
Found: Total dissolved solids
What removes it: Reverse osmosis.
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