What was found in ZIP 37641
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 | 781 µg/L 7.8% of the EPA limit 10000 µg/L Main supplier: KINGSPORT WATER DEPT · 107,739 people · 2019
Highest in the ZIP: 1750 µg/L — NORTH GREENE UTILITIES, INC. · 5,604 people · 2019 | 2/4 | SYR4 |
| Total Haloacetic Acids (HAA5) | 51.58 µg/L 86% of the EPA limit 60 µg/L Main supplier: KINGSPORT WATER DEPT · 107,739 people · 2019
Highest in the ZIP: 90.2 µg/L — NORTH GREENE UTILITIES, INC. · 5,604 people · 2019 | 4/4 | SYR4 |
| TTHM | 63.13 µg/L 79% of the EPA limit 80 µg/L Main supplier: KINGSPORT WATER DEPT · 107,739 people · 2019
Highest in the ZIP: 87.8 µg/L — NORTH GREENE UTILITIES, INC. · 5,604 people · 2019 | 4/4 | SYR4 |
| Lithium | 76.6 µg/L No EPA limit set Main supplier: KINGSPORT WATER DEPT · 107,739 people · 2023 | 1/4 | UCMR-5 |
| 6:2 Fts | 0.0100 µg/L No EPA limit set Highest in the ZIP: CHUCKEY UTILITY DISTRICT · 14,369 people · 2023 | 1/4 | UCMR-5 |
| PFOS | 0.0059 µg/L No EPA limit set Main supplier: KINGSPORT WATER DEPT · 107,739 people · 2023 | 1/4 | UCMR-5 |
| Lead | 0.0010 mg/L 6.7% of the EPA limit 0.0150 mg/L Main supplier: KINGSPORT WATER DEPT · 107,739 people · 2025 | 4/4 | 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 37641
| Supplier | State | Population served |
|---|---|---|
| KINGSPORT WATER DEPT | TN | 107,739 |
| GLEN HILLS UTILITY DISTRICT | TN | 17,355 |
| CHUCKEY UTILITY DISTRICT | TN | 14,369 |
| NORTH GREENE UTILITIES, INC. | TN | 5,604 |
Frequently asked questions about ZIP 37641 tap water
Is the tap water in ZIP 37641 safe to drink?
EPA testing detected 7 contaminants across the water suppliers serving ZIP 37641. 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 37641?
4 public water suppliers report EPA drinking-water monitoring for ZIP 37641. Each is listed above with its population served.
What contaminants are in ZIP 37641's water?
EPA monitoring detected Nitrate, Total Haloacetic Acids (HAA5), TTHM, Lithium, 6:2 Fts, and others across this ZIP's suppliers. The full list with levels and sources is above.