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 | 1993-07-01 → 1993-07-31 |
| MCL | Health-based | Resolved | 1993-07-01 → 1993-07-31 |
| MCL | Health-based | Resolved | 1993-07-01 → 1993-07-31 |
Other contaminants detected
| Contaminant | Level vs EPA limit | Detection rate | Source | Period |
|---|---|---|---|---|
| Nitrate | 1764.5 µg/L 18% of the EPA limit 10000 µg/L
worst single sample: 1770 µg/L | 32/32 | SYR4 | 2012–2019 |
| Copper | 759 µg/L 58% of the EPA limit 1300 µg/L
worst single sample: 797 µg/L | 30/30 | SYR4 | 2017 |
| TTHM | 24.24 µg/L 30% of the EPA limit 80 µg/L
worst single sample: 25.6 µg/L | 29/29 | SYR4 | 2012–2019 |
| Total Haloacetic Acids (HAA5) | 7.5 µg/L 13% of the EPA limit 60 µg/L
worst single sample: 8.4 µg/L | 29/29 | SYR4 | 2012–2019 |
| Lead | 0.0010 mg/L 6.7% of the EPA limit 0.0150 mg/L | 18/18 | LCR | 2023 |
| Nitrate-Nitrite | 1764 µg/L 18% of the EPA limit 10000 µg/L
worst single sample: 1770 µg/L | 13/13 | SYR4 | 2012–2019 |
| Barium | 200 µg/L 10% of the EPA limit 2000 µg/L | 6/6 | SYR4 | 2012–2018 |
| Fluoride | 1010 µg/L 25% of the EPA limit 4000 µg/L | 6/6 | SYR4 | 2012–2018 |
| Lithium | 17.3 µg/L No EPA limit set | 4/4 | UCMR-5 | 2023 |
| Lead | 12.1 µg/L 81% of the EPA limit 15 µg/L
worst single sample: 13 µg/L | 3/30 | SYR4 | 2017 |
| Di(2-ethylhexyl) Phthalate | 6.69 µg/L 112% of the EPA limit, at the 95th percentile of samples — 6 µg/L
worst single sample: 7 µg/L | 2/13 | SYR4 | 2013–2019 |
| Gross Alpha, Excl. Radon And U | 1.83025 pCi/L 12% of the EPA limit 15 pCi/L
worst single sample: 1.89 pCi/L | 2/2 | SYR4 | 2016 |
88 contaminants tested, none detected
Utility contact
Frequently asked questions about Indiana American Water - West Lafayette
Is Indiana American Water - West Lafayette tap water safe to drink?
EPA monitoring detected 12 contaminants in Indiana American Water - West Lafayette'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 - West Lafayette's water?
EPA monitoring detected Nitrate, Copper, TTHM, Total Haloacetic Acids (HAA5), Lead, and others. The full list with the level and data source for each is above.
How many people does Indiana American Water - West Lafayette serve?
Indiana American Water - West Lafayette reports serving 35,533 people in Indiana, per its EPA record.
Has Indiana American Water - West Lafayette had any water quality violations?
The EPA has 3 violations on file for Indiana American Water - West Lafayette, of which 3 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.