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 |
|---|---|---|---|
| TT | Health-based | Resolved | 2025-08-31 |
| TT | Health-based | Resolved | 2025-08-31 |
| TT | Health-based | Resolved | 2025-08-31 |
| TT | Health-based | Resolved | 2025-08-31 |
| RPT | Monitoring | Unaddressed | 2025-07-02 |
| RPT | Monitoring | Unaddressed | 2025-07-02 |
| MR | Monitoring | Resolved | 2023-10-01 → 2023-12-31 |
| MR | Monitoring | Resolved | 2023-10-01 → 2023-12-31 |
| MR | Monitoring | Resolved | 2023-10-01 → 2023-12-31 |
| MR | Monitoring | Resolved | 2023-10-01 → 2023-12-31 |
Other contaminants detected
| Contaminant | Level vs EPA limit | Detection rate | Source | Period |
|---|---|---|---|---|
| Lead | 0.0548 mg/L 365% above the EPA limit of 0.0150 mg/L | 33/33 | LCR | 2025 |
| Copper | 1508 µg/L 116% of the EPA limit, at the 95th percentile of samples — 1300 µg/L
worst single sample: 1710 µg/L | 29/30 | SYR4 | 2013–2019 |
| Chloroform | 81.64 µg/L No EPA limit set
worst single sample: 104.9 µg/L | 23/23 | SYR4 | 2014–2019 |
| TTHM | 91.44 µg/L 114% of the EPA limit, at the 95th percentile of samples — 80 µg/L
worst single sample: 116.3 µg/L | 23/23 | SYR4 | 2014–2019 |
| Dichloroacetic Acid | 15.3 µg/L No EPA limit set
worst single sample: 16.2 µg/L | 19/22 | SYR4 | 2014–2019 |
| Total Haloacetic Acids (HAA5) | 37.96 µg/L 63% of the EPA limit 60 µg/L
worst single sample: 41.2 µg/L | 19/22 | SYR4 | 2014–2019 |
| Bromodichloromethane | 9.51 µg/L No EPA limit set
worst single sample: 10.7 µg/L | 18/23 | SYR4 | 2014–2019 |
| Nitrate | 1050 µg/L 11% of the EPA limit 10000 µg/L | 16/16 | SYR4 | 2012–2019 |
| Trichloroacetic Acid | 24.45 µg/L No EPA limit set
worst single sample: 27.3 µg/L | 16/22 | SYR4 | 2014–2019 |
| Nitrate-Nitrite | 1043 µg/L 10% of the EPA limit 10000 µg/L
worst single sample: 1050 µg/L | 8/8 | SYR4 | 2012–2019 |
| Lead | 4.854 µg/L 32% of the EPA limit 15 µg/L
worst single sample: 5.1 µg/L | 5/30 | SYR4 | 2013–2019 |
| Dibromochloromethane | 0.7000 µg/L No EPA limit set | 4/23 | SYR4 | 2014–2019 |
| Barium | 65.1 µg/L 3.3% of the EPA limit 2000 µg/L
worst single sample: 65.7 µg/L | 3/3 | SYR4 | 2012–2018 |
| Fluoride | 1425 µg/L 36% of the EPA limit 4000 µg/L
worst single sample: 1450 µg/L | 3/3 | SYR4 | 2012–2018 |
| Arsenic | 0.7250 µg/L 7.2% of the EPA limit 10 µg/L | 1/3 | SYR4 | 2012–2018 |
| Combined Radium (-226 And -228) | 0.6000 pCi/L 12% of the EPA limit 5 pCi/L | 1/1 | SYR4 | 2014 |
34 contaminants tested, none detected
Utility contact
Frequently asked questions about Lamoille
Is Lamoille tap water safe to drink?
EPA monitoring detected 16 contaminants in Lamoille'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 Lamoille's water?
EPA monitoring detected Lead, Copper, Chloroform, TTHM, Dichloroacetic Acid, and others. The full list with the level and data source for each is above.
How many people does Lamoille serve?
Lamoille reports serving 660 people in Illinois, per its EPA record.
Has Lamoille had any water quality violations?
The EPA has 26 violations on file for Lamoille, of which 4 are health-based (a contaminant limit or required treatment was breached) and 2 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.