What was found in Minnetonka's water
The level at the city's main supplier, the highest level anywhere in the city, the EPA limit for each, and where every figure comes from.
| Contaminant | Level vs EPA limit | Suppliers | Source |
|---|---|---|---|
| Copper | 1416.5 µg/L 109% of the EPA limit, at the 95th percentile of samples — 1300 µg/L Main supplier: Minnetonka · 54,474 people · 2019 | 1/1 | SYR4 |
| Fluoride | 1200 µg/L 30% of the EPA limit 4000 µg/L Main supplier: Minnetonka · 54,474 people · 2019 | 1/1 | SYR4 |
| Nitrate-Nitrite | 256.5 µg/L 2.6% of the EPA limit 10000 µg/L Main supplier: Minnetonka · 54,474 people · 2019 | 1/1 | SYR4 |
| Barium | 149 µg/L 7.5% of the EPA limit 2000 µg/L Main supplier: Minnetonka · 54,474 people · 2012 | 1/1 | SYR4 |
| Chloroform | 20.95 µg/L No EPA limit set Main supplier: Minnetonka · 54,474 people · 2019 | 1/1 | SYR4 |
| Gross Alpha, Excl. Radon And U | 12 pCi/L 80% of the EPA limit 15 pCi/L Main supplier: Minnetonka · 54,474 people · 2019 | 1/1 | SYR4 |
| Lithium | 10.7 µg/L No EPA limit set Main supplier: Minnetonka · 54,474 people · 2024 | 1/1 | UCMR-5 |
| Trichloroacetic Acid | 8.8975 µg/L No EPA limit set Main supplier: Minnetonka · 54,474 people · 2019 | 1/1 | SYR4 |
| Dichloroacetic Acid | 6.972 µg/L No EPA limit set Main supplier: Minnetonka · 54,474 people · 2019 | 1/1 | SYR4 |
| Bromodichloromethane | 6.32 µg/L No EPA limit set Main supplier: Minnetonka · 54,474 people · 2019 | 1/1 | SYR4 |
| Dibromochloromethane | 3.68 µg/L No EPA limit set Main supplier: Minnetonka · 54,474 people · 2019 | 1/1 | SYR4 |
| Lead | 2.86 µg/L 19% of the EPA limit 15 µg/L Main supplier: Minnetonka · 54,474 people · 2019 | 1/1 | SYR4 |
| Bromoform | 0.8850 µg/L No EPA limit set Main supplier: Minnetonka · 54,474 people · 2019 | 1/1 | SYR4 |
| Dibromoacetic Acid | 0.7620 µg/L No EPA limit set Main supplier: Minnetonka · 54,474 people · 2019 | 1/1 | SYR4 |
| Chromium | 0.2100 µg/L 0.2% of the EPA limit 100 µg/L Main supplier: Minnetonka · 54,474 people · 2015 | 1/1 | SYR4 |
| Pfba | 0.0166 µg/L No EPA limit set Main supplier: Minnetonka · 54,474 people · 2024 | 1/1 | UCMR-5 |
| Lead | 0.0 mg/L 0% of the EPA limit 0.0150 mg/L Main supplier: Minnetonka · 54,474 people · 2023 | 1/1 | LCR |
Water suppliers serving Minnetonka
| Supplier | Population served |
|---|---|
| Minnetonka | 54,474 |
Frequently asked questions about Minnetonka tap water
Is Minnetonka tap water safe to drink?
EPA testing detected 17 contaminants in the water serving Minnetonka. A detection isn't the same as a violation — most detected levels are within federal limits. Check the level and source for each contaminant above, and your utility's annual Consumer Confidence Report for the official compliance status.
How many water suppliers serve Minnetonka?
1 public water supplier report drinking-water monitoring for Minnetonka, Minnesota to the EPA. Each is listed above with its population served.
What contaminants are in Minnetonka's water?
The contaminants EPA monitoring detected in Minnetonka include Copper, Fluoride, Nitrate-Nitrite, Barium, Chloroform. The full list, with the level at the main supplier and the data source, is in the table above.
Where does this data come from?
Every figure is official EPA drinking-water monitoring — the Lead & Copper Rule, the UCMR-5 nationwide testing program, and the EPA Six-Year Review — not our own testing. Each number is labelled with its source and period.