What was found in ZIP 17101
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 | 460 µg/L 4.6% of the EPA limit 10000 µg/L Main supplier: CAPITAL REGION WATER · 66,540 people · 2019
Highest in the ZIP: 1700 µg/L — PA AMERICAN WATER STEELTON · 6,428 people · 2019 | 2/2 | SYR4 |
| Fluoride | 771 µg/L 19% of the EPA limit 4000 µg/L Main supplier: CAPITAL REGION WATER · 66,540 people · 2019 | 1/2 | SYR4 |
| Copper | 111.5 µg/L 8.6% of the EPA limit 1300 µg/L Main supplier: CAPITAL REGION WATER · 66,540 people · 2019
Highest in the ZIP: 200.5 µg/L — PA AMERICAN WATER STEELTON · 6,428 people · 2019 | 2/2 | SYR4 |
| TTHM | 68.46 µg/L 86% of the EPA limit 80 µg/L Main supplier: CAPITAL REGION WATER · 66,540 people · 2019
Highest in the ZIP: 121 µg/L — PA AMERICAN WATER STEELTON · 6,428 people · 2019 | 2/2 | SYR4 |
| Total Haloacetic Acids (HAA5) | 56.29 µg/L 94% of the EPA limit 60 µg/L Main supplier: CAPITAL REGION WATER · 66,540 people · 2019
Highest in the ZIP: 112 µg/L — PA AMERICAN WATER STEELTON · 6,428 people · 2019 | 2/2 | SYR4 |
| Chloroform | 61.025 µg/L No EPA limit set Main supplier: CAPITAL REGION WATER · 66,540 people · 2019
Highest in the ZIP: 104.5 µg/L — PA AMERICAN WATER STEELTON · 6,428 people · 2019 | 2/2 | SYR4 |
| Dichloroacetic Acid | 36.85 µg/L No EPA limit set Main supplier: CAPITAL REGION WATER · 66,540 people · 2019
Highest in the ZIP: 48.87 µg/L — PA AMERICAN WATER STEELTON · 6,428 people · 2019 | 2/2 | SYR4 |
| Lead | 42.8 µg/L 285% of the EPA limit, at the 95th percentile of samples — 15 µg/L Main supplier: CAPITAL REGION WATER · 66,540 people · 2019 | 2/2 | SYR4 |
| Trichloroacetic Acid | 37.04 µg/L No EPA limit set Main supplier: CAPITAL REGION WATER · 66,540 people · 2019 | 2/2 | SYR4 |
| Barium | 17.8 µg/L 0.9% of the EPA limit 2000 µg/L Main supplier: CAPITAL REGION WATER · 66,540 people · 2019
Highest in the ZIP: 26.95 µg/L — PA AMERICAN WATER STEELTON · 6,428 people · 2019 | 2/2 | SYR4 |
| Bromodichloromethane | 7.065 µg/L No EPA limit set Main supplier: CAPITAL REGION WATER · 66,540 people · 2019
Highest in the ZIP: 20.825 µg/L — PA AMERICAN WATER STEELTON · 6,428 people · 2019 | 2/2 | SYR4 |
| Selenium | 10 µg/L 20% of the EPA limit 50 µg/L Main supplier: CAPITAL REGION WATER · 66,540 people · 2019 | 2/2 | SYR4 |
| Monochloroacetic Acid | 8.61 µg/L No EPA limit set Highest in the ZIP: PA AMERICAN WATER STEELTON · 6,428 people · 2019 | 1/2 | SYR4 |
| Dibromochloromethane | 3 µg/L No EPA limit set Main supplier: CAPITAL REGION WATER · 66,540 people · 2019
Highest in the ZIP: 7.37 µg/L — PA AMERICAN WATER STEELTON · 6,428 people · 2019 | 2/2 | SYR4 |
| Cyanide | 5 µg/L 2.5% of the EPA limit 200 µg/L Main supplier: CAPITAL REGION WATER · 66,540 people · 2019 | 2/2 | SYR4 |
| Dibromoacetic Acid | 4.29 µg/L No EPA limit set Highest in the ZIP: PA AMERICAN WATER STEELTON · 6,428 people · 2019 | 1/2 | SYR4 |
| Bromoform | 1.101 µg/L No EPA limit set Highest in the ZIP: PA AMERICAN WATER STEELTON · 6,428 people · 2019 | 1/2 | SYR4 |
| Monobromoacetic Acid | 1 µg/L No EPA limit set Highest in the ZIP: PA AMERICAN WATER STEELTON · 6,428 people · 2019 | 1/2 | SYR4 |
| Hexachlorocyclopentadiene | 0.2200 µg/L 0.4% of the EPA limit 50 µg/L Highest in the ZIP: PA AMERICAN WATER STEELTON · 6,428 people · 2019 | 1/2 | SYR4 |
| Lead | 0.0 mg/L 0% of the EPA limit 0.0150 mg/L Main supplier: CAPITAL REGION WATER · 66,540 people · 2025
Highest in the ZIP: 0.0017 mg/L — PA AMERICAN WATER STEELTON · 6,428 people · 2024 | 2/2 | 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 17101
| Supplier | State | Population served |
|---|---|---|
| CAPITAL REGION WATER | PA | 66,540 |
| PA AMERICAN WATER STEELTON | PA | 6,428 |
Frequently asked questions about ZIP 17101 tap water
Is the tap water in ZIP 17101 safe to drink?
EPA testing detected 20 contaminants across the water suppliers serving ZIP 17101. 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 17101?
2 public water suppliers report EPA drinking-water monitoring for ZIP 17101. Each is listed above with its population served.
What contaminants are in ZIP 17101'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.