What was found in Detroit Lakes'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 |
|---|---|---|---|
| Nitrate-Nitrite | 1000 µg/L 10% of the EPA limit 10000 µg/L Main supplier: Detroit Lakes · 10,038 people · 2019
Highest in the city: 9500 µg/L — Oak Grove Mobile Home Park · 60 people · 2019 | 2/3 | SYR4 |
| Copper | 1181.5 µg/L 91% of the EPA limit 1300 µg/L Main supplier: Detroit Lakes · 10,038 people · 2019 | 3/3 | SYR4 |
| Fluoride | 934 µg/L 23% of the EPA limit 4000 µg/L Main supplier: Detroit Lakes · 10,038 people · 2019 | 3/3 | SYR4 |
| Barium | 352 µg/L 18% of the EPA limit 2000 µg/L Highest in the city: Brandy Lake Estates · 40 people · 2015 | 2/3 | SYR4 |
| Chloroform | 45.5 µg/L No EPA limit set Main supplier: Detroit Lakes · 10,038 people · 2019 | 3/3 | SYR4 |
| Trichloroacetic Acid | 14.8 µg/L No EPA limit set Main supplier: Detroit Lakes · 10,038 people · 2019 | 1/3 | SYR4 |
| Bromodichloromethane | 13 µg/L No EPA limit set Main supplier: Detroit Lakes · 10,038 people · 2019 | 1/3 | SYR4 |
| Arsenic | 1.53 µg/L 15% of the EPA limit 10 µg/L Main supplier: Detroit Lakes · 10,038 people · 2014
Highest in the city: 12.8 µg/L — Brandy Lake Estates · 40 people · 2019 | 2/3 | SYR4 |
| Lithium | 12 µg/L No EPA limit set Main supplier: Detroit Lakes · 10,038 people · 2023 | 1/3 | UCMR-5 |
| Dichloroacetic Acid | 11.35 µg/L No EPA limit set Main supplier: Detroit Lakes · 10,038 people · 2019 | 1/3 | SYR4 |
| Dibromochloromethane | 2.53 µg/L No EPA limit set Main supplier: Detroit Lakes · 10,038 people · 2019 | 1/3 | SYR4 |
| Lead | 1.94 µg/L 13% of the EPA limit 15 µg/L Main supplier: Detroit Lakes · 10,038 people · 2019 | 3/3 | SYR4 |
| Lead | 0.0040 mg/L 27% of the EPA limit 0.0150 mg/L Main supplier: Detroit Lakes · 10,038 people · 2025 | 3/3 | LCR |
Water suppliers serving Detroit Lakes
| Supplier | Population served |
|---|---|
| Detroit Lakes | 10,038 |
| Oak Grove Mobile Home Park | 60 |
| Brandy Lake Estates | 40 |
Frequently asked questions about Detroit Lakes tap water
Is Detroit Lakes tap water safe to drink?
EPA testing detected 13 contaminants in the water serving Detroit Lakes. 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 Detroit Lakes?
3 public water suppliers report drinking-water monitoring for Detroit Lakes, Minnesota to the EPA. Each is listed above with its population served.
What contaminants are in Detroit Lakes's water?
The contaminants EPA monitoring detected in Detroit Lakes include Nitrate-Nitrite, Copper, Fluoride, 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.