What was found in Erie's water
The highest level seen across the city's suppliers, the EPA limit for each, and where the figure comes from.
| Contaminant | Level vs EPA limit | Suppliers | Source |
|---|---|---|---|
| Nitrate | 10700 µg/L 107% of the EPA limit, in the worst sample — 10000 µg/L | 5/6 | SYR4 |
| Copper | 990 µg/L 76% of the EPA limit 1300 µg/L | 6/6 | SYR4 |
| Fluoride | 900 µg/L 23% of the EPA limit 4000 µg/L | 4/6 | SYR4 |
| Chloroform | 650 µg/L No EPA limit set | 6/6 | SYR4 |
| Nitrate-Nitrite | 500 µg/L 5% of the EPA limit 10000 µg/L | 1/6 | SYR4 |
| Barium | 377 µg/L 19% of the EPA limit 2000 µg/L | 4/6 | SYR4 |
| TTHM | 150 µg/L 188% of the EPA limit, in the worst sample — 80 µg/L | 6/6 | SYR4 |
| Bromoform | 72 µg/L No EPA limit set | 5/6 | SYR4 |
| Total Haloacetic Acids (HAA5) | 61 µg/L 102% of the EPA limit, in the worst sample — 60 µg/L | 5/6 | SYR4 |
| trans-1,2-Dichloroethylene | 48 µg/L 48% of the EPA limit 100 µg/L | 1/6 | SYR4 |
| Dibromochloromethane | 47 µg/L No EPA limit set | 6/6 | SYR4 |
| Lead | 41 µg/L 273% of the EPA limit, in the worst sample — 15 µg/L | 5/6 | SYR4 |
| Dichloroacetic Acid | 34 µg/L No EPA limit set | 4/6 | SYR4 |
| Trichloroacetic Acid | 28 µg/L No EPA limit set | 4/6 | SYR4 |
| Bromodichloromethane | 21.1 µg/L No EPA limit set | 6/6 | SYR4 |
| Arsenic | 13 µg/L 130% of the EPA limit, in the worst sample — 10 µg/L | 2/6 | SYR4 |
| Xylenes, Total | 12.5 µg/L 0.1% of the EPA limit 10000 µg/L | 1/6 | SYR4 |
| Chromium | 9.1 µg/L 9.1% of the EPA limit 100 µg/L | 1/6 | SYR4 |
| Di(2-ethylhexyl) Phthalate | 8.75 µg/L 146% of the EPA limit, in the worst sample — 6 µg/L | 1/6 | SYR4 |
| Monobromoacetic Acid | 6.2 µg/L No EPA limit set | 3/6 | SYR4 |
| Combined Uranium | 4.2316 µg/L 14% of the EPA limit 30 µg/L | 3/6 | SYR4 |
| Dibromoacetic Acid | 4.07 µg/L No EPA limit set | 4/6 | SYR4 |
| Selenium | 3.3 µg/L 6.6% of the EPA limit 50 µg/L | 1/6 | SYR4 |
| Monochloroacetic Acid | 2.49 µg/L No EPA limit set | 4/6 | SYR4 |
| Ethylbenzene | 2.19 µg/L 0.3% of the EPA limit 700 µg/L | 1/6 | SYR4 |
| Thallium, Total | 0.4000 µg/L 20% of the EPA limit 2 µg/L | 1/6 | SYR4 |
| Atrazine | 0.0870 µg/L 2.9% of the EPA limit 3 µg/L | 1/6 | SYR4 |
| Lead | 0.0059 mg/L 39% of the EPA limit 0.0150 mg/L | 5/6 | LCR |
Water suppliers serving Erie
| Supplier | Population served |
|---|---|
| ERIE CITY WATER AUTHORITY | 220,001 |
| SUMMIT TOWNSHIP WATER AUTHORIT | 12,500 |
| MCKEAN TWP WATERWORKS | 1,048 |
| MILLFAIR HEIGHTS WATER SYSTEM | 390 |
| WEST SPRINGFIELD MOBILE HM PK | 90 |
| COUNTRY ESTATES | 70 |
Frequently asked questions about Erie tap water
Is Erie tap water safe to drink?
EPA testing detected 28 contaminants in the water serving Erie. A detection isn't the same as a violation — most detected levels are within federal limits. Check the level and source for each contaminant above, and your utility's annual Consumer Confidence Report for the official compliance status.
How many water suppliers serve Erie?
6 public water suppliers report drinking-water monitoring for Erie, Pennsylvania to the EPA. Each is listed above with its population served.
What contaminants are in Erie's water?
The contaminants EPA monitoring detected in Erie include Nitrate, Copper, Fluoride, Chloroform, Nitrate-Nitrite. The full list, with the highest level found and the data source, is in the table above.
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.