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 |
|---|---|---|---|
| MON | Monitoring | Resolved | 2024-08-01 → 2024-08-31 |
| MON | Monitoring | Resolved | 2024-08-01 → 2024-08-31 |
| MON | Monitoring | Resolved | 2024-08-01 → 2024-08-31 |
| MON | Monitoring | Resolved | 2024-08-01 → 2024-08-31 |
PFAS detected
| Contaminant | Max | Detection rate | Period |
|---|---|---|---|
| Pfba | 0.0110 µg/L | 7/12 | 2024 |
Other contaminants detected
| Contaminant | Level vs EPA limit | Detection rate | Source | Period |
|---|---|---|---|---|
| Chloroform | 60.495 µg/L No EPA limit set
worst single sample: 63.6 µg/L | 50/50 | SYR4 | 2013–2019 |
| Dichloroacetic Acid | 26.085 µg/L No EPA limit set
worst single sample: 31 µg/L | 50/50 | SYR4 | 2013–2019 |
| TTHM | 71.265 µg/L 89% of the EPA limit 80 µg/L
worst single sample: 74.7 µg/L | 50/50 | SYR4 | 2013–2019 |
| Total Haloacetic Acids (HAA5) | 44.63 µg/L 74% of the EPA limit 60 µg/L
worst single sample: 49.7 µg/L | 50/50 | SYR4 | 2013–2019 |
| Trichloroacetic Acid | 16.71 µg/L No EPA limit set
worst single sample: 20.5 µg/L | 50/50 | SYR4 | 2013–2019 |
| Bromodichloromethane | 13.08 µg/L No EPA limit set
worst single sample: 17.7 µg/L | 49/50 | SYR4 | 2013–2019 |
| Dibromochloromethane | 4.6395 µg/L No EPA limit set
worst single sample: 11.7 µg/L | 44/50 | SYR4 | 2013–2019 |
| Copper | 598.8 µg/L 46% of the EPA limit 1300 µg/L
worst single sample: 756 µg/L | 40/40 | SYR4 | 2014–2017 |
| Lead | 0.0029 mg/L 19% of the EPA limit 0.0150 mg/L | 23/23 | LCR | 2025 |
| Lead | 5.3 µg/L 35% of the EPA limit 15 µg/L
worst single sample: 5.58 µg/L | 21/40 | SYR4 | 2014–2017 |
| Monobromoacetic Acid | 9.1685 µg/L No EPA limit set
worst single sample: 9.47 µg/L | 10/50 | SYR4 | 2013–2019 |
| Dibromoacetic Acid | 3.368 µg/L No EPA limit set
worst single sample: 3.7 µg/L | 5/50 | SYR4 | 2013–2019 |
| Bromoform | 2.001 µg/L No EPA limit set
worst single sample: 2.16 µg/L | 4/50 | SYR4 | 2013–2019 |
| Lithium | 47 µg/L No EPA limit set | 4/12 | UCMR-5 | 2024 |
29 contaminants tested, none detected
Utility contact
Frequently asked questions about Marion County Pwsd 1
Is Marion County Pwsd 1 tap water safe to drink?
EPA monitoring detected 15 contaminants in Marion County Pwsd 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 Marion County Pwsd 1's water?
EPA monitoring detected Chloroform, Dichloroacetic Acid, TTHM, Total Haloacetic Acids (HAA5), Trichloroacetic Acid, and others. The full list with the level and data source for each is above.
How many people does Marion County Pwsd 1 serve?
Marion County Pwsd 1 reports serving 4,900 people in Missouri, per its EPA record.
Has Marion County Pwsd 1 had any water quality violations?
The EPA has 4 violations on file for Marion County Pwsd 1, 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.