We read 12 results from Burnsville’s 2024 water quality report. No results over a legal limit; 4 above a health goal or guideline.
Serves about 61,747 people · Water system ID MN1190002 · Read the district’s 2024 report (opens in a new tab)
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Results from the 2024 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 |
|---|---|---|---|---|
| Copper90th percentile of 30 homes tested, 0 over the action level · listed as a violation in the report · Customer taps · 2024 report, page 4 | 0.59 ppm | 0.3 ppm | 1.3 ppm (action level) | Above the health goal2x the health goal |
| Gross alpha (radioactivity)highest measured · listed as a violation in the report · Treatment plant · 2024 report, page 4 | 6.7 pCi/L | 0 pCi/L | 15 pCi/L | Above the health goalThe health goal is zero |
| PFOS (a PFAS)highest measured · sampled 2023 · Treatment plant · 2024 report, page 6 | 1.2 ppt | 1 ppt | 4 ppt from 2029 | Above the health goal1.2x the health goal |
| Radium (combined 226 + 228)highest measured · listed as a violation in the report · Treatment plant · 2024 report, page 4 | 2.3 pCi/L | 0 pCi/L | 5 pCi/L | Above the health goalThe health goal is zero |
| Bariumhighest measured · listed as a violation in the report · sampled 2021 · Treatment plant · 2024 report, page 4 | 0.21 ppm | 2 ppm | 2 ppm | Below the health goal |
| Chloraminehighest running annual average · range 0.88 to 1.15 · listed as a violation in the report · Distribution system · 2024 report, page 5 | 1.02 ppm | None set | 4 ppm | Below the legal limit |
| Disinfection byproducts (HAA5)highest running annual average · range 1 to 8.4 · listed as a violation in the report · Distribution system · 2024 report, page 5 | 6.1 ppb | None set | 60 ppb | Below the legal limit |
| Disinfection byproducts (TTHM)highest running annual average · range 6.8 to 48.1 · listed as a violation in the report · Distribution system · 2024 report, page 5 | 29.3 ppb | None set | 80 ppb | Below the legal limit |
| Lead90th percentile of 30 homes tested, 0 over the action level · listed as a violation in the report · Customer taps · 2024 report, page 4 | Not detected | 0.2 ppb | 15 ppb (action level) | Not detected |
| Nitrate (as N)highest measured · listed as a violation in the report · Treatment plant · 2024 report, page 4 | 0.21 ppm | 10 ppm | 10 ppm | Below the health goal |
| Turbidity (cloudiness)highest measured · listed as a violation in the report · Treatment plant · 2024 report, page 6 | 0.21 NTU | None set | 1 NTU | Below the legal limit |
| Lithiumhighest measured · range 9.3 to 11.7 · Treatment plant · 2024 report, page 8 | 10.2 ppb | 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.
EPA testing for PFAS and lithium
EPA’s own nationwide testing (UCMR 5) found these in Burnsville’s water between Oct 2023 and Aug 2024. These are EPA lab results, separate from the district’s report. Anything not listed was not detected.
- Lithium11.7 ppbFound in 3 of 4 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.
Copper
Found: Copper
What removes it: Reverse osmosis.
Radium and uranium
Found: Gross alpha (radioactivity), Radium (combined 226 + 228)
What removes it: Reverse osmosis.
PFAS ("forever chemicals")
Found: PFOS (a PFAS)
What removes it: Reverse osmosis.
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