Compliance record
Formal violations the EPA has on file for this supplier. A health-based violation means a contaminant limit or a required treatment was breached; the rest are monitoring or reporting failures — still violations, but not a measured health risk.
| Violation | Type | Status | Period |
|---|---|---|---|
| MR | Monitoring | Resolved | 2001-06-01 → 2001-06-30 |
| MR | Monitoring | Resolved | 2001-06-01 → 2001-06-30 |
| MR | Monitoring | Resolved | 2001-06-01 → 2001-06-30 |
Other contaminants detected
| Contaminant | Level vs EPA limit | Detection rate | Source | Period |
|---|---|---|---|---|
| Copper | 213.5 µg/L 16% of the EPA limit 1300 µg/L
worst single sample: 510 µg/L | 54/60 | SYR4 | 2012–2018 |
| Nitrate | 1700 µg/L 17% of the EPA limit 10000 µg/L | 18/18 | SYR4 | 2012–2019 |
| Lead | 0.0020 mg/L 13% of the EPA limit 0.0150 mg/L | 13/13 | LCR | 2024 |
| Lead | 17 µg/L 113% of the EPA limit, at the 95th percentile of samples — 15 µg/L
worst single sample: 21 µg/L | 9/60 | SYR4 | 2012–2018 |
| Bromodichloromethane | 11 µg/L No EPA limit set | 8/8 | SYR4 | 2012–2019 |
| Bromoform | 1.765 µg/L No EPA limit set
worst single sample: 1.8 µg/L | 8/8 | SYR4 | 2012–2019 |
| Chloroform | 9.8 µg/L No EPA limit set | 8/8 | SYR4 | 2012–2019 |
| Dibromoacetic Acid | 2.65 µg/L No EPA limit set
worst single sample: 3 µg/L | 8/8 | SYR4 | 2012–2019 |
| Dibromochloromethane | 8.725 µg/L No EPA limit set
worst single sample: 8.9 µg/L | 8/8 | SYR4 | 2012–2019 |
| Dichloroacetic Acid | 3.65 µg/L No EPA limit set
worst single sample: 4 µg/L | 8/8 | SYR4 | 2012–2019 |
| TTHM | 31.3 µg/L 39% of the EPA limit 80 µg/L
worst single sample: 32 µg/L | 8/8 | SYR4 | 2012–2019 |
| Trichloroacetic Acid | 3 µg/L No EPA limit set | 8/8 | SYR4 | 2012–2019 |
| Total Haloacetic Acids (HAA5) | 9.6 µg/L 16% of the EPA limit 60 µg/L
worst single sample: 10 µg/L | 5/8 | SYR4 | 2012–2019 |
| Combined Radium (-226 And -228) | 1 pCi/L 20% of the EPA limit 5 pCi/L | 1/1 | SYR4 | 2019 |
| Fluoride | 1000 µg/L 25% of the EPA limit 4000 µg/L | 1/1 | SYR4 | 2012 |
| Lithium | 78 µg/L No EPA limit set | 1/1 | UCMR-5 | 2025 |
72 contaminants tested, none detected
Utility contact
Frequently asked questions about Estherville Water Treatment Plant
Is Estherville Water Treatment Plant tap water safe to drink?
EPA monitoring detected 16 contaminants in Estherville Water Treatment Plant's water. A detection isn't the same as a violation — most levels are within federal limits. See each level and source above, and the utility's annual Consumer Confidence Report for its official compliance status.
What contaminants were detected in Estherville Water Treatment Plant's water?
EPA monitoring detected Copper, Nitrate, Lead, Lead, Bromodichloromethane, and others. The full list with the level and data source for each is above.
How many people does Estherville Water Treatment Plant serve?
Estherville Water Treatment Plant reports serving 5,904 people in Iowa, per its EPA record.
Has Estherville Water Treatment Plant had any water quality violations?
The EPA has 3 violations on file for Estherville Water Treatment Plant, of which 0 are health-based (a contaminant limit or required treatment was breached) and 0 remain open. The rest are monitoring or reporting failures.
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.