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 |
|---|---|---|---|
| RPT | Monitoring | Unaddressed | 2025-07-02 |
| MR | Monitoring | Resolved | 2024-09-01 → 2024-09-30 |
| MR | Monitoring | Resolved | 2024-09-01 → 2024-09-30 |
| MR | Monitoring | Resolved | 2024-09-01 → 2024-09-30 |
| MR | Monitoring | Resolved | 2024-09-01 → 2024-09-30 |
| Other | Monitoring | Resolved | 2013-07-01 |
Other contaminants detected
| Contaminant | Level vs EPA limit | Detection rate | Source | Period |
|---|---|---|---|---|
| Copper | 1530 µg/L 118% of the EPA limit, in the worst sample — 1300 µg/L | 61/61 | SYR4 | 2012–2018 |
| Lead | 0.0 mg/L 0% of the EPA limit 0.0150 mg/L | 17/17 | LCR | 2023 |
| Lead | 5.37 µg/L 36% of the EPA limit 15 µg/L | 10/61 | SYR4 | 2012–2018 |
| Bromodichloromethane | 20.1 µg/L No EPA limit set | 7/7 | SYR4 | 2014–2019 |
| Bromoform | 5.36 µg/L No EPA limit set | 7/7 | SYR4 | 2014–2019 |
| Dibromochloromethane | 17.6 µg/L No EPA limit set | 7/7 | SYR4 | 2014–2019 |
| TTHM | 46 µg/L 57% of the EPA limit 80 µg/L | 6/7 | SYR4 | 2014–2019 |
| Chloroform | 2.97 µg/L No EPA limit set | 5/7 | SYR4 | 2014–2019 |
| Dibromoacetic Acid | 1.72 µg/L No EPA limit set | 2/7 | SYR4 | 2014–2019 |
| Dichloroacetic Acid | 5.23 µg/L No EPA limit set | 2/7 | SYR4 | 2014–2019 |
| Lithium | 130 µg/L No EPA limit set | 2/2 | UCMR-5 | 2024 |
| Barium | 92.6 µg/L 4.6% of the EPA limit 2000 µg/L | 1/1 | SYR4 | 2016 |
| Fluoride | 770 µg/L 19% of the EPA limit 4000 µg/L | 1/1 | SYR4 | 2016 |
43 contaminants tested, none detected
Utility contact
Frequently asked questions about Johnson County Pwsd 1
Is Johnson County Pwsd 1 tap water safe to drink?
EPA monitoring detected 13 contaminants in Johnson 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 Johnson County Pwsd 1's water?
EPA monitoring detected Copper, Lead, Lead, Bromodichloromethane, Bromoform, and others. The full list with the level and data source for each is above.
How many people does Johnson County Pwsd 1 serve?
Johnson County Pwsd 1 reports serving 3,730 people in Missouri, per its EPA record.
Has Johnson County Pwsd 1 had any water quality violations?
The EPA has 6 violations on file for Johnson County Pwsd 1, of which 0 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.