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 |
|---|---|---|---|
| MR | Monitoring | Archived | 1980-06-30 → 1980-09-29 |
PFAS detected
Other contaminants detected
| Contaminant | Level vs EPA limit | Detection rate | Source | Period |
|---|---|---|---|---|
| TTHM | 21.83 µg/L 27% of the EPA limit 80 µg/L
worst single sample: 38.6 µg/L | 35/35 | SYR4 | 2012–2019 |
| Total Haloacetic Acids (HAA5) | 9.32 µg/L 16% of the EPA limit 60 µg/L
worst single sample: 16.7 µg/L | 35/35 | SYR4 | 2012–2019 |
| Nitrate | 788 µg/L 7.9% of the EPA limit 10000 µg/L
worst single sample: 1230 µg/L | 34/52 | SYR4 | 2012–2019 |
| Copper | 614.3 µg/L 47% of the EPA limit 1300 µg/L
worst single sample: 1012 µg/L | 28/30 | SYR4 | 2018 |
| Lead | 0.0020 mg/L 13% of the EPA limit 0.0150 mg/L | 27/27 | LCR | 2024 |
| Lead | 5.3 µg/L 35% of the EPA limit 15 µg/L
worst single sample: 6 µg/L | 15/30 | SYR4 | 2018 |
| Nitrate-Nitrite | 856 µg/L 8.6% of the EPA limit 10000 µg/L
worst single sample: 1230 µg/L | 12/17 | SYR4 | 2012–2019 |
| Barium | 355 µg/L 18% of the EPA limit 2000 µg/L
worst single sample: 400 µg/L | 10/10 | SYR4 | 2012–2018 |
| Fluoride | 772 µg/L 19% of the EPA limit 4000 µg/L
worst single sample: 790 µg/L | 10/10 | SYR4 | 2012–2018 |
| Gross Alpha, Excl. Radon And U | 3.289 pCi/L 22% of the EPA limit 15 pCi/L
worst single sample: 3.41 pCi/L | 2/2 | SYR4 | 2015–2017 |
| Lithium | 10 µg/L No EPA limit set | 2/6 | UCMR-5 | 2024 |
87 contaminants tested, none detected
Utility contact
Frequently asked questions about Indiana American Water - Johnson County
Is Indiana American Water - Johnson County tap water safe to drink?
EPA monitoring detected 13 contaminants in Indiana American Water - Johnson County'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 Indiana American Water - Johnson County's water?
EPA monitoring detected TTHM, Total Haloacetic Acids (HAA5), Nitrate, Copper, Lead, and others. The full list with the level and data source for each is above.
How many people does Indiana American Water - Johnson County serve?
Indiana American Water - Johnson County reports serving 86,813 people in Indiana, per its EPA record.
Has Indiana American Water - Johnson County had any water quality violations?
The EPA has 1 violation on file for Indiana American Water - Johnson County, 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.