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 | 2009-04-01 → 2009-04-30 |
| MCL | Health-based | Resolved | 2009-04-01 → 2009-04-30 |
| MCL | Health-based | Resolved | 2009-04-01 → 2009-04-30 |
| MCL | Health-based | Resolved | 2009-04-01 → 2009-04-30 |
| RPT | Monitoring | Unaddressed | 2025-07-02 |
| MR | Monitoring | Resolved | 2025-04-01 → 2025-06-30 |
| MR | Monitoring | Resolved | 2025-04-01 → 2025-06-30 |
| MR | Monitoring | Resolved | 2025-04-01 → 2025-06-30 |
| MR | Monitoring | Resolved | 2025-04-01 → 2025-06-30 |
| MR | Monitoring | Resolved | 2025-04-01 → 2025-06-30 |
PFAS detected
| Contaminant | Max | Detection rate | Period |
|---|---|---|---|
| Pfba | 0.0087 µg/L | 8/11 | 2024 |
Other contaminants detected
| Contaminant | Level vs EPA limit | Detection rate | Source | Period |
|---|---|---|---|---|
| Copper | 1030 µg/L 79% of the EPA limit 1300 µg/L | 60/60 | SYR4 | 2012–2018 |
| Lead | 8.74 µg/L 58% of the EPA limit 15 µg/L | 53/60 | SYR4 | 2012–2018 |
| Bromodichloromethane | 16.2 µg/L No EPA limit set | 50/50 | SYR4 | 2013–2019 |
| Chloroform | 69.5 µg/L No EPA limit set | 50/50 | SYR4 | 2013–2019 |
| Dichloroacetic Acid | 34.4 µg/L No EPA limit set | 50/50 | SYR4 | 2013–2019 |
| TTHM | 83.7 µg/L 105% of the EPA limit, in the worst sample — 80 µg/L | 50/50 | SYR4 | 2013–2019 |
| Total Haloacetic Acids (HAA5) | 54 µg/L 90% of the EPA limit 60 µg/L | 50/50 | SYR4 | 2013–2019 |
| Trichloroacetic Acid | 20.7 µg/L No EPA limit set | 50/50 | SYR4 | 2013–2019 |
| Dibromochloromethane | 4.45 µg/L No EPA limit set | 48/50 | SYR4 | 2013–2019 |
| Lead | 0.0013 mg/L 8.7% of the EPA limit 0.0150 mg/L | 24/24 | LCR | 2024 |
| Monobromoacetic Acid | 11.4 µg/L No EPA limit set | 16/50 | SYR4 | 2013–2019 |
| Dibromoacetic Acid | 1.85 µg/L No EPA limit set | 2/50 | SYR4 | 2013–2019 |
| Monochloroacetic Acid | 4.13 µg/L No EPA limit set | 1/50 | SYR4 | 2013–2019 |
| Lithium | 24 µg/L No EPA limit set | 1/12 | UCMR-5 | 2024 |
29 contaminants tested, none detected
Utility contact
Frequently asked questions about Knox County Public Water & Sewer Dist 1
Is Knox County Public Water & Sewer Dist 1 tap water safe to drink?
EPA monitoring detected 15 contaminants in Knox County Public Water & Sewer Dist 1'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 Knox County Public Water & Sewer Dist 1's water?
EPA monitoring detected Copper, Lead, Bromodichloromethane, Chloroform, Dichloroacetic Acid, and others. The full list with the level and data source for each is above.
How many people does Knox County Public Water & Sewer Dist 1 serve?
Knox County Public Water & Sewer Dist 1 reports serving 3,947 people in Missouri, per its EPA record.
Has Knox County Public Water & Sewer Dist 1 had any water quality violations?
The EPA has 42 violations on file for Knox County Public Water & Sewer Dist 1, of which 4 are health-based (a contaminant limit or required treatment was breached) and 1 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.