What was found in ZIP 17603
The highest level seen across the suppliers serving this ZIP, the EPA limit for each, and where the figure comes from.
| Contaminant | Level vs EPA limit | Suppliers | Source |
|---|---|---|---|
| Nitrate | 9170 µg/L 92% of the EPA limit 10000 µg/L | 3/3 | SYR4 |
| Fluoride | 1330 µg/L 33% of the EPA limit 4000 µg/L | 3/3 | SYR4 |
| Copper | 1100 µg/L 85% of the EPA limit 1300 µg/L | 3/3 | SYR4 |
| TTHM | 161 µg/L 201% of the EPA limit, in the worst sample — 80 µg/L | 3/3 | SYR4 |
| Chloroform | 136 µg/L No EPA limit set | 3/3 | SYR4 |
| Total Haloacetic Acids (HAA5) | 106 µg/L 177% of the EPA limit, in the worst sample — 60 µg/L | 3/3 | SYR4 |
| Lead | 62 µg/L 413% of the EPA limit, in the worst sample — 15 µg/L | 3/3 | SYR4 |
| Trichloroacetic Acid | 57.3 µg/L No EPA limit set | 2/3 | SYR4 |
| Barium | 51 µg/L 2.6% of the EPA limit 2000 µg/L | 3/3 | SYR4 |
| Bromodichloromethane | 38.9 µg/L No EPA limit set | 3/3 | SYR4 |
| Dichloroacetic Acid | 34.9 µg/L No EPA limit set | 3/3 | SYR4 |
| Dibromochloromethane | 11.1 µg/L No EPA limit set | 3/3 | SYR4 |
| Cyanide | 9 µg/L 4.5% of the EPA limit 200 µg/L | 1/3 | SYR4 |
| Monochloroacetic Acid | 5.5 µg/L No EPA limit set | 2/3 | SYR4 |
| Bromoform | 4.1 µg/L No EPA limit set | 3/3 | SYR4 |
| Chromium | 4 µg/L 4% of the EPA limit 100 µg/L | 1/3 | SYR4 |
| Dibromoacetic Acid | 1.5 µg/L No EPA limit set | 2/3 | SYR4 |
| Mercury | 0.3800 µg/L 19% of the EPA limit 2 µg/L | 1/3 | SYR4 |
| Atrazine | 0.2874 µg/L 9.6% of the EPA limit 3 µg/L | 1/3 | SYR4 |
| Benzo(A)Pyrene | 0.2500 µg/L 125% of the EPA limit, in the worst sample — 0.2000 µg/L | 1/3 | SYR4 |
| Pfhxa | 0.0288 µg/L No EPA limit set | 2/3 | UCMR-5 |
| PFOA | 0.0238 µg/L No EPA limit set | 2/3 | UCMR-5 |
| Pfpea | 0.0223 µg/L No EPA limit set | 2/3 | UCMR-5 |
| Pfba | 0.0154 µg/L No EPA limit set | 1/3 | UCMR-5 |
| PFBS | 0.0098 µg/L No EPA limit set | 2/3 | UCMR-5 |
| Pfhpa | 0.0081 µg/L No EPA limit set | 1/3 | UCMR-5 |
| Lead | 0.0080 mg/L 53% of the EPA limit 0.0150 mg/L | 3/3 | LCR |
| PFOS | 0.0050 µg/L No EPA limit set | 1/3 | UCMR-5 |
Each bar shows the measured level as a share of the EPA limit: green is
well under, amber is close to it, red is over. For lead and copper the
limit applies to exactly the 90th-percentile figure shown, so red there
means a real exceedance. For everything else the limit applies to a
running annual average while the figure is the single worst sample on
record — over 100% is worth reading, but is not by itself a violation.
Formal violations are listed separately.
Water suppliers serving ZIP 17603
| Supplier | State | Population served |
|---|---|---|
| CITY OF LANCASTER | PA | 120,000 |
| COLUMBIA WATER CO | PA | 25,200 |
| EAST HEMPFIELD WATER AUTH | PA | 20,988 |
Frequently asked questions about ZIP 17603 tap water
Is the tap water in ZIP 17603 safe to drink?
EPA testing detected 28 contaminants across the water suppliers serving ZIP 17603. A detection isn't the same as a violation — most levels are within federal limits. See each level and source above, and your utility's annual Consumer Confidence Report for the official status.
Which water suppliers serve ZIP 17603?
3 public water suppliers report EPA drinking-water monitoring for ZIP 17603. Each is listed above with its population served.
What contaminants are in ZIP 17603's water?
EPA monitoring detected Nitrate, Fluoride, Copper, TTHM, Chloroform, and others across this ZIP's suppliers. The full list with levels and sources is above.