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 | 2026-01-01 → 2026-01-31 |
| MR | Monitoring | Resolved | 2026-01-01 → 2026-01-31 |
| MR | Monitoring | Resolved | 2026-01-01 → 2026-01-31 |
| MR | Monitoring | Resolved | 2026-01-01 → 2026-01-31 |
| MR | Monitoring | Resolved | 2022-10-01 → 2022-12-31 |
| MR | Monitoring | Resolved | 2022-10-01 → 2022-12-31 |
| MR | Monitoring | Resolved | 2020-11-01 → 2020-11-30 |
| MR | Monitoring | Resolved | 2020-11-01 → 2020-11-30 |
| MR | Monitoring | Resolved | 2020-11-01 → 2020-11-30 |
| MR | Monitoring | Resolved | 2020-11-01 → 2020-11-30 |
Other contaminants detected
| Contaminant | Level vs EPA limit | Detection rate | Source | Period |
|---|---|---|---|---|
| Bromodichloromethane | 1 µg/L No EPA limit set | 6/6 | SYR4 | 2013–2018 |
| Chloroform | 0.9250 µg/L No EPA limit set
worst single sample: 1 µg/L | 6/6 | SYR4 | 2013–2018 |
| Dibromochloromethane | 1.35 µg/L No EPA limit set
worst single sample: 1.4 µg/L | 6/6 | SYR4 | 2013–2018 |
| TTHM | 3.555 µg/L 4.4% of the EPA limit 80 µg/L
worst single sample: 3.6 µg/L | 4/4 | SYR4 | 2013–2018 |
| Arsenic | 5.9 µg/L 59% of the EPA limit 10 µg/L
worst single sample: 6 µg/L | 3/3 | SYR4 | 2012–2018 |
| Bromoform | 0.5950 µg/L No EPA limit set
worst single sample: 0.6000 µg/L | 2/4 | SYR4 | 2013–2018 |
| Combined Uranium | 2.04972 µg/L 6.8% of the EPA limit 30 µg/L
worst single sample: 2.0562 µg/L | 2/2 | SYR4 | 2013–2019 |
| Lead | 0.0280 mg/L 187% above the EPA limit of 0.0150 mg/L | 2/2 | LCR | 1999 |
| Pentachlorophenol | 0.4000 µg/L 40% of the EPA limit 1 µg/L | 1/13 | SYR4 | 2012–2019 |
| Total Haloacetic Acids (HAA5) | 2 µg/L 3.3% of the EPA limit 60 µg/L | 1/4 | SYR4 | 2013–2018 |
70 contaminants tested, none detected
Utility contact
Frequently asked questions about Walnut Grove Mhc
Is Walnut Grove Mhc tap water safe to drink?
EPA monitoring detected 10 contaminants in Walnut Grove Mhc'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 Walnut Grove Mhc's water?
EPA monitoring detected Bromodichloromethane, Chloroform, Dibromochloromethane, TTHM, Arsenic, and others. The full list with the level and data source for each is above.
How many people does Walnut Grove Mhc serve?
Walnut Grove Mhc reports serving 425 people in Michigan, per its EPA record.
Has Walnut Grove Mhc had any water quality violations?
The EPA has 105 violations on file for Walnut Grove Mhc, 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.