What was found in Herman'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 |
|---|---|---|---|
| Fluoride | 1500 µg/L 38% of the EPA limit 4000 µg/L Main supplier: Herman · 386 people · 2019 | 1/1 | SYR4 |
| Copper | 1306.5 µg/L 100% of the EPA limit, at the 95th percentile of samples — 1300 µg/L Main supplier: Herman · 386 people · 2018 | 1/1 | SYR4 |
| Nitrate-Nitrite | 840 µg/L 8.4% of the EPA limit 10000 µg/L Main supplier: Herman · 386 people · 2019 | 1/1 | SYR4 |
| Arsenic | 22.3 µg/L 223% of the EPA limit, at the 95th percentile of samples — 10 µg/L Main supplier: Herman · 386 people · 2019 | 1/1 | SYR4 |
| Lead | 7.025 µg/L 47% of the EPA limit 15 µg/L Main supplier: Herman · 386 people · 2018 | 1/1 | SYR4 |
| Bromoform | 2.6 µg/L No EPA limit set Main supplier: Herman · 386 people · 2018 | 1/1 | SYR4 |
| Dibromochloromethane | 2.5 µg/L No EPA limit set Main supplier: Herman · 386 people · 2018 | 1/1 | SYR4 |
| Dibromoacetic Acid | 2.46 µg/L No EPA limit set Main supplier: Herman · 386 people · 2018 | 1/1 | SYR4 |
| Bromodichloromethane | 1.808 µg/L No EPA limit set Main supplier: Herman · 386 people · 2018 | 1/1 | SYR4 |
| Dichloroacetic Acid | 1.765 µg/L No EPA limit set Main supplier: Herman · 386 people · 2018 | 1/1 | SYR4 |
| Chloroform | 1.34 µg/L No EPA limit set Main supplier: Herman · 386 people · 2018 | 1/1 | SYR4 |
| Mercury | 0.0460 µg/L 2.3% of the EPA limit 2 µg/L Main supplier: Herman · 386 people · 2019 | 1/1 | SYR4 |
| Lead | 0.0080 mg/L 53% of the EPA limit 0.0150 mg/L Main supplier: Herman · 386 people · 2024 | 1/1 | LCR |
Water suppliers serving Herman
| Supplier | Population served |
|---|---|
| Herman | 386 |
Frequently asked questions about Herman tap water
Is Herman tap water safe to drink?
EPA testing detected 13 contaminants in the water serving Herman. 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 Herman?
1 public water supplier report drinking-water monitoring for Herman, Minnesota to the EPA. Each is listed above with its population served.
What contaminants are in Herman's water?
The contaminants EPA monitoring detected in Herman include Fluoride, Copper, Nitrate-Nitrite, Arsenic, Lead. 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.