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 |
|---|---|---|---|
| MCL | Health-based | Resolved | 2023-01-01 → 2023-03-31 |
| MCL | Health-based | Resolved | 2023-01-01 → 2023-03-31 |
| MCL | Health-based | Resolved | 2023-01-01 → 2023-03-31 |
| MCL | Health-based | Resolved | 2022-10-01 → 2022-12-31 |
| MCL | Health-based | Resolved | 2022-10-01 → 2022-12-31 |
| MCL | Health-based | Resolved | 2022-10-01 → 2022-12-31 |
| MCL | Health-based | Resolved | 2022-10-01 → 2022-12-31 |
| MCL | Health-based | Resolved | 2006-05-01 → 2006-05-31 |
| MCL | Health-based | Resolved | 2006-05-01 → 2006-05-31 |
| MCL | Health-based | Resolved | 2006-05-01 → 2006-05-31 |
Other contaminants detected
| Contaminant | Level vs EPA limit | Detection rate | Source | Period |
|---|---|---|---|---|
| Bromodichloromethane | 9.81 µg/L No EPA limit set
worst single sample: 10.5 µg/L | 34/34 | SYR4 | 2014–2019 |
| Chloroform | 83.985 µg/L No EPA limit set
worst single sample: 94.5 µg/L | 34/34 | SYR4 | 2014–2019 |
| Dichloroacetic Acid | 14.56 µg/L No EPA limit set
worst single sample: 18.3 µg/L | 34/34 | SYR4 | 2014–2019 |
| TTHM | 92.99 µg/L 116% of the EPA limit, at the 95th percentile of samples — 80 µg/L
worst single sample: 103 µg/L | 34/34 | SYR4 | 2014–2019 |
| Total Haloacetic Acids (HAA5) | 26.35 µg/L 44% of the EPA limit 60 µg/L
worst single sample: 31 µg/L | 34/34 | SYR4 | 2014–2019 |
| Trichloroacetic Acid | 12.735 µg/L No EPA limit set
worst single sample: 16.6 µg/L | 34/34 | SYR4 | 2014–2019 |
| Dibromochloromethane | 2.4 µg/L No EPA limit set | 12/34 | SYR4 | 2014–2019 |
| Lead | 0.0020 mg/L 13% of the EPA limit 0.0150 mg/L | 8/8 | LCR | 2004 |
| Copper | 5142.75 µg/L 396% of the EPA limit, at the 95th percentile of samples — 1300 µg/L
worst single sample: 6670 µg/L | 6/20 | SYR4 | 2013–2019 |
| Lead | 28.125 µg/L 188% of the EPA limit, at the 95th percentile of samples — 15 µg/L
worst single sample: 32.4 µg/L | 4/20 | SYR4 | 2013–2019 |
4 contaminants tested, none detected
Utility contact
Frequently asked questions about Sebastian Lake Utility Operating Company
Is Sebastian Lake Utility Operating Company tap water safe to drink?
EPA monitoring detected 10 contaminants in Sebastian Lake Utility Operating Company'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 Sebastian Lake Utility Operating Company's water?
EPA monitoring detected Bromodichloromethane, Chloroform, Dichloroacetic Acid, TTHM, Total Haloacetic Acids (HAA5), and others. The full list with the level and data source for each is above.
How many people does Sebastian Lake Utility Operating Company serve?
Sebastian Lake Utility Operating Company reports serving 298 people in Missouri, per its EPA record.
Has Sebastian Lake Utility Operating Company had any water quality violations?
The EPA has 36 violations on file for Sebastian Lake Utility Operating Company, of which 14 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.