What was found in ZIP 17921
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 | 1000 µg/L 10% of the EPA limit 10000 µg/L Main supplier: AQUA PA ROARING CREEK DIVISION · 43,000 people · 2019 | 2/2 | SYR4 |
| Chlorite | 500 µg/L 50% of the EPA limit 1000 µg/L Main supplier: AQUA PA ROARING CREEK DIVISION · 43,000 people · 2019 | 1/2 | SYR4 |
| Copper | 260 µg/L 20% of the EPA limit 1300 µg/L Main supplier: AQUA PA ROARING CREEK DIVISION · 43,000 people · 2019
Highest in the ZIP: 463 µg/L — ASHLAND AREA WATER AUTHORITY · 4,200 people · 2019 | 2/2 | SYR4 |
| Chloroform | 87.92 µg/L No EPA limit set Main supplier: AQUA PA ROARING CREEK DIVISION · 43,000 people · 2019 | 2/2 | SYR4 |
| TTHM | 84.11 µg/L 105% of the EPA limit, at the 95th percentile of samples — 80 µg/L Main supplier: AQUA PA ROARING CREEK DIVISION · 43,000 people · 2019 | 2/2 | SYR4 |
| Total Haloacetic Acids (HAA5) | 76.52 µg/L 128% of the EPA limit, at the 95th percentile of samples — 60 µg/L Main supplier: AQUA PA ROARING CREEK DIVISION · 43,000 people · 2019 | 2/2 | SYR4 |
| Trichloroacetic Acid | 54.88 µg/L No EPA limit set Main supplier: AQUA PA ROARING CREEK DIVISION · 43,000 people · 2019 | 2/2 | SYR4 |
| Dichloroacetic Acid | 48.405 µg/L No EPA limit set Main supplier: AQUA PA ROARING CREEK DIVISION · 43,000 people · 2019 | 2/2 | SYR4 |
| Barium | 24.8 µg/L 1.2% of the EPA limit 2000 µg/L Main supplier: AQUA PA ROARING CREEK DIVISION · 43,000 people · 2019
Highest in the ZIP: 40.25 µg/L — ASHLAND AREA WATER AUTHORITY · 4,200 people · 2019 | 2/2 | SYR4 |
| Lead | 24.25 µg/L 162% of the EPA limit, at the 95th percentile of samples — 15 µg/L Main supplier: AQUA PA ROARING CREEK DIVISION · 43,000 people · 2019 | 2/2 | SYR4 |
| Selenium | 11.5115 µg/L 23% of the EPA limit 50 µg/L Highest in the ZIP: ASHLAND AREA WATER AUTHORITY · 4,200 people · 2019 | 1/2 | SYR4 |
| Bromodichloromethane | 7.37 µg/L No EPA limit set Main supplier: AQUA PA ROARING CREEK DIVISION · 43,000 people · 2019 | 2/2 | SYR4 |
| Monochloroacetic Acid | 6.015 µg/L No EPA limit set Main supplier: AQUA PA ROARING CREEK DIVISION · 43,000 people · 2019
Highest in the ZIP: 7 µg/L — ASHLAND AREA WATER AUTHORITY · 4,200 people · 2019 | 2/2 | SYR4 |
| Chromium | 2.935 µg/L 2.9% of the EPA limit 100 µg/L Main supplier: AQUA PA ROARING CREEK DIVISION · 43,000 people · 2019 | 2/2 | SYR4 |
| Dibromochloromethane | 2.2 µg/L No EPA limit set Main supplier: AQUA PA ROARING CREEK DIVISION · 43,000 people · 2019 | 2/2 | SYR4 |
| Dibromoacetic Acid | 1.2 µg/L No EPA limit set Main supplier: AQUA PA ROARING CREEK DIVISION · 43,000 people · 2019 | 1/2 | SYR4 |
| Monobromoacetic Acid | 1 µg/L No EPA limit set Main supplier: AQUA PA ROARING CREEK DIVISION · 43,000 people · 2019 | 1/2 | SYR4 |
| Bromoform | 0.9000 µg/L No EPA limit set Main supplier: AQUA PA ROARING CREEK DIVISION · 43,000 people · 2019 | 1/2 | SYR4 |
| Arsenic | 0.1700 µg/L 1.7% of the EPA limit 10 µg/L Highest in the ZIP: ASHLAND AREA WATER AUTHORITY · 4,200 people · 2019 | 1/2 | SYR4 |
| Cadmium | 0.0300 µg/L 0.6% of the EPA limit 5 µg/L Highest in the ZIP: ASHLAND AREA WATER AUTHORITY · 4,200 people · 2019 | 1/2 | SYR4 |
| PFOS | 0.0170 µg/L No EPA limit set Highest in the ZIP: ASHLAND AREA WATER AUTHORITY · 4,200 people · 2025 | 1/2 | UCMR-5 |
| PFHXS | 0.0056 µg/L No EPA limit set Highest in the ZIP: ASHLAND AREA WATER AUTHORITY · 4,200 people · 2025 | 1/2 | UCMR-5 |
| Lead | 0.0019 mg/L 13% of the EPA limit 0.0150 mg/L Main supplier: AQUA PA ROARING CREEK DIVISION · 43,000 people · 2025
Highest in the ZIP: 0.0020 mg/L — ASHLAND AREA WATER AUTHORITY · 4,200 people · 2025 | 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 17921
| Supplier | State | Population served |
|---|---|---|
| AQUA PA ROARING CREEK DIVISION | PA | 43,000 |
| ASHLAND AREA WATER AUTHORITY | PA | 4,200 |
Frequently asked questions about ZIP 17921 tap water
Is the tap water in ZIP 17921 safe to drink?
EPA testing detected 23 contaminants across the water suppliers serving ZIP 17921. 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 17921?
2 public water suppliers report EPA drinking-water monitoring for ZIP 17921. Each is listed above with its population served.
What contaminants are in ZIP 17921's water?
EPA monitoring detected Nitrate, Chlorite, Copper, Chloroform, TTHM, and others across this ZIP's suppliers. The full list with levels and sources is above.