What was found in ZIP 15857
The level at this ZIP's main supplier, the highest level anywhere in it, the EPA limit for each, and where the figure comes from.
| Contaminant | Level vs EPA limit | Suppliers | Source |
|---|---|---|---|
| Nitrate | 560 µg/L 5.6% of the EPA limit 10000 µg/L Main supplier: ST MARYS AREA WATER AUTH · 19,588 people · 2019 | 1/1 | SYR4 |
| Fluoride | 535 µg/L 13% of the EPA limit 4000 µg/L Main supplier: ST MARYS AREA WATER AUTH · 19,588 people · 2012 | 1/1 | SYR4 |
| Copper | 101.67 µg/L 7.8% of the EPA limit 1300 µg/L Main supplier: ST MARYS AREA WATER AUTH · 19,588 people · 2019 | 1/1 | SYR4 |
| TTHM | 60.03 µg/L 75% of the EPA limit 80 µg/L Main supplier: ST MARYS AREA WATER AUTH · 19,588 people · 2019 | 1/1 | SYR4 |
| Total Haloacetic Acids (HAA5) | 57.67 µg/L 96% of the EPA limit 60 µg/L Main supplier: ST MARYS AREA WATER AUTH · 19,588 people · 2019 | 1/1 | SYR4 |
| Chloroform | 47.62 µg/L No EPA limit set Main supplier: ST MARYS AREA WATER AUTH · 19,588 people · 2019 | 1/1 | SYR4 |
| Lead | 46.7 µg/L 311% of the EPA limit, at the 95th percentile of samples — 15 µg/L Main supplier: ST MARYS AREA WATER AUTH · 19,588 people · 2019 | 1/1 | SYR4 |
| Barium | 42.4 µg/L 2.1% of the EPA limit 2000 µg/L Main supplier: ST MARYS AREA WATER AUTH · 19,588 people · 2012 | 1/1 | SYR4 |
| Dichloroacetic Acid | 34.725 µg/L No EPA limit set Main supplier: ST MARYS AREA WATER AUTH · 19,588 people · 2019 | 1/1 | SYR4 |
| Trichloroacetic Acid | 31.09 µg/L No EPA limit set Main supplier: ST MARYS AREA WATER AUTH · 19,588 people · 2019 | 1/1 | SYR4 |
| Bromodichloromethane | 11.86 µg/L No EPA limit set Main supplier: ST MARYS AREA WATER AUTH · 19,588 people · 2019 | 1/1 | SYR4 |
| Dibromochloromethane | 1.719 µg/L No EPA limit set Main supplier: ST MARYS AREA WATER AUTH · 19,588 people · 2019 | 1/1 | SYR4 |
| Monochloroacetic Acid | 1.2 µg/L No EPA limit set Main supplier: ST MARYS AREA WATER AUTH · 19,588 people · 2019 | 1/1 | SYR4 |
| Bromoform | 0.6080 µg/L No EPA limit set Main supplier: ST MARYS AREA WATER AUTH · 19,588 people · 2019 | 1/1 | SYR4 |
| Lead | 0.0033 mg/L 22% of the EPA limit 0.0150 mg/L Main supplier: ST MARYS AREA WATER AUTH · 19,588 people · 2025 | 1/1 | LCR |
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 95th percentile of the
system's samples — over 100% is worth reading, but is not by itself a
violation.
Formal violations are listed separately.
Water suppliers serving ZIP 15857
| Supplier | State | Population served |
|---|---|---|
| ST MARYS AREA WATER AUTH | PA | 19,588 |
Frequently asked questions about ZIP 15857 tap water
Is the tap water in ZIP 15857 safe to drink?
EPA testing detected 15 contaminants across the water suppliers serving ZIP 15857. 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 15857?
1 public water supplier report EPA drinking-water monitoring for ZIP 15857. Each is listed above with its population served.
What contaminants are in ZIP 15857's water?
EPA monitoring detected Nitrate, Fluoride, Copper, TTHM, Total Haloacetic Acids (HAA5), and others across this ZIP's suppliers. The full list with levels and sources is above.