What was found in ZIP 42721
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 |
|---|---|---|---|
| Fluoride | 1100 µg/L 28% of the EPA limit 4000 µg/L | 1/1 | SYR4 |
| Nitrate-Nitrite | 499 µg/L 5% of the EPA limit 10000 µg/L | 1/1 | SYR4 |
| Nitrate | 423 µg/L 4.2% of the EPA limit 10000 µg/L | 1/1 | SYR4 |
| Copper | 350 µg/L 27% of the EPA limit 1300 µg/L | 1/1 | SYR4 |
| TTHM | 129 µg/L 161% of the EPA limit, in the worst sample — 80 µg/L | 1/1 | SYR4 |
| Total Haloacetic Acids (HAA5) | 100 µg/L 167% of the EPA limit, in the worst sample — 60 µg/L | 1/1 | SYR4 |
| Barium | 33 µg/L 1.7% of the EPA limit 2000 µg/L | 1/1 | SYR4 |
| Lead | 3.2 µg/L 21% of the EPA limit 15 µg/L | 1/1 | SYR4 |
| Atrazine | 3.1 µg/L 103% of the EPA limit, in the worst sample — 3 µg/L | 1/1 | SYR4 |
| Antimony, Total | 1.7 µg/L 28% of the EPA limit 6 µg/L | 1/1 | SYR4 |
| Gross Alpha, Excl. Radon And U | 1.3 pCi/L 8.7% of the EPA limit 15 pCi/L | 1/1 | SYR4 |
| Combined Radium (-226 And -228) | 1.011 pCi/L 20% of the EPA limit 5 pCi/L | 1/1 | SYR4 |
| 2,4-D | 1 µg/L 1.4% of the EPA limit 70 µg/L | 1/1 | SYR4 |
| Lead | 0.0 mg/L 0% of the EPA limit 0.0150 mg/L | 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 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 42721
| Supplier | State | Population served |
|---|---|---|
| GRAYSON COUNTY WATER DISTRICT | KY | 20,033 |
Frequently asked questions about ZIP 42721 tap water
Is the tap water in ZIP 42721 safe to drink?
EPA testing detected 14 contaminants across the water suppliers serving ZIP 42721. 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 42721?
1 public water supplier report EPA drinking-water monitoring for ZIP 42721. Each is listed above with its population served.
What contaminants are in ZIP 42721's water?
EPA monitoring detected Fluoride, Nitrate-Nitrite, Nitrate, Copper, TTHM, and others across this ZIP's suppliers. The full list with levels and sources is above.