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 |
|---|---|---|---|
| TT | Health-based | Resolved | 2018-10-01 → 2018-10-31 |
| TT | Health-based | Resolved | 2018-10-01 → 2018-10-31 |
| TT | Health-based | Resolved | 2018-10-01 → 2018-10-31 |
| TT | Health-based | Resolved | 2018-10-01 → 2018-10-31 |
| MCL | Health-based | Resolved | 2017-01-01 → 2017-03-31 |
| MCL | Health-based | Resolved | 2017-01-01 → 2017-03-31 |
| MCL | Health-based | Resolved | 2017-01-01 → 2017-03-31 |
| MCL | Health-based | Resolved | 2017-01-01 → 2017-03-31 |
| TT | Health-based | Resolved | 2006-08-01 → 2006-08-31 |
| TT | Health-based | Resolved | 2006-08-01 → 2006-08-31 |
Other contaminants detected
| Contaminant | Level vs EPA limit | Detection rate | Source | Period |
|---|---|---|---|---|
| Copper | 110 µg/L 8.5% of the EPA limit 1300 µg/L
worst single sample: 480 µg/L | 439/447 | SYR4 | 2012–2019 |
| TTHM | 87.2 µg/L 109% of the EPA limit, at the 95th percentile of samples — 80 µg/L
worst single sample: 120 µg/L | 323/323 | SYR4 | 2012–2019 |
| Bromodichloromethane | 17.12 µg/L No EPA limit set
worst single sample: 21 µg/L | 315/315 | SYR4 | 2012–2019 |
| Chloroform | 66.57 µg/L No EPA limit set
worst single sample: 650 µg/L | 315/315 | SYR4 | 2012–2019 |
| Dibromochloromethane | 6.5505 µg/L No EPA limit set
worst single sample: 47 µg/L | 314/314 | SYR4 | 2012–2019 |
| Total Haloacetic Acids (HAA5) | 47.45 µg/L 79% of the EPA limit 60 µg/L
worst single sample: 61 µg/L | 292/295 | SYR4 | 2012–2019 |
| Trichloroacetic Acid | 22 µg/L No EPA limit set
worst single sample: 28 µg/L | 207/207 | SYR4 | 2014–2019 |
| Dichloroacetic Acid | 23 µg/L No EPA limit set
worst single sample: 34 µg/L | 202/207 | SYR4 | 2014–2019 |
| Lead | 5.455 µg/L 36% of the EPA limit 15 µg/L
worst single sample: 9.4 µg/L | 70/335 | SYR4 | 2013–2019 |
| Bromoform | 0.7910 µg/L No EPA limit set
worst single sample: 72 µg/L | 50/281 | SYR4 | 2012–2019 |
| Nitrate | 600 µg/L 6% of the EPA limit 10000 µg/L
worst single sample: 1200 µg/L | 48/66 | SYR4 | 2012–2019 |
| Barium | 25.15 µg/L 1.3% of the EPA limit 2000 µg/L
worst single sample: 31.2 µg/L | 38/38 | SYR4 | 2012–2019 |
| Dibromoacetic Acid | 1.44 µg/L No EPA limit set
worst single sample: 1.5 µg/L | 33/207 | SYR4 | 2014–2019 |
| Fluoride | 709.8 µg/L 18% of the EPA limit 4000 µg/L
worst single sample: 754 µg/L | 25/25 | SYR4 | 2012–2019 |
| Monochloroacetic Acid | 2.4 µg/L No EPA limit set | 17/207 | SYR4 | 2014–2019 |
| Lead | 0.0011 mg/L 7.2% of the EPA limit 0.0150 mg/L | 13/13 | LCR | 2025 |
| Atrazine | 0.0838 µg/L 2.8% of the EPA limit 3 µg/L
worst single sample: 0.0870 µg/L | 9/33 | SYR4 | 2012–2019 |
| Nitrate-Nitrite | 460 µg/L 4.6% of the EPA limit 10000 µg/L
worst single sample: 500 µg/L | 9/11 | SYR4 | 2017–2019 |
| Chromium | 8.695 µg/L 8.7% of the EPA limit 100 µg/L
worst single sample: 9.1 µg/L | 2/28 | SYR4 | 2012–2019 |
| Thallium, Total | 0.3950 µg/L 20% of the EPA limit 2 µg/L
worst single sample: 0.4000 µg/L | 2/28 | SYR4 | 2012–2019 |
| Arsenic | 4.4 µg/L 44% of the EPA limit 10 µg/L | 1/27 | SYR4 | 2012–2019 |
| Combined Uranium | 4.2316 µg/L 14% of the EPA limit 30 µg/L | 1/17 | SYR4 | 2012–2019 |
| Ethylbenzene | 2.19 µg/L 0.3% of the EPA limit 700 µg/L | 1/39 | SYR4 | 2012–2019 |
| Selenium | 3.3 µg/L 6.6% of the EPA limit 50 µg/L | 1/25 | SYR4 | 2012–2019 |
| Xylenes, Total | 12.5 µg/L 0.1% of the EPA limit 10000 µg/L | 1/39 | SYR4 | 2012–2019 |
| trans-1,2-Dichloroethylene | 48 µg/L 48% of the EPA limit 100 µg/L | 1/38 | SYR4 | 2012–2019 |
86 contaminants tested, none detected
Utility contact
Frequently asked questions about Erie City Water Authority
Is Erie City Water Authority tap water safe to drink?
EPA monitoring detected 26 contaminants in Erie City Water Authority'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 Erie City Water Authority's water?
EPA monitoring detected Copper, TTHM, Bromodichloromethane, Chloroform, Dibromochloromethane, and others. The full list with the level and data source for each is above.
How many people does Erie City Water Authority serve?
Erie City Water Authority reports serving 220,001 people in Pennsylvania, per its EPA record.
Has Erie City Water Authority had any water quality violations?
The EPA has 407 violations on file for Erie City Water Authority, of which 28 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.