What was found in Charleston's water
The level at the city's main supplier, the highest level anywhere in the city, the EPA limit for each, and where every figure comes from.
| Contaminant | Level vs EPA limit | Suppliers | Source |
|---|---|---|---|
| Nitrate | 271 µg/L 2.7% of the EPA limit 10000 µg/L Main supplier: RIVER LANDING CONDOMINIUM ASSOC · 52 people · 2019
Highest in the city: 315 µg/L — HIWASSEE UTILITY COMMISSION · 25 people · 2019 | 2/2 | SYR4 |
| TTHM | 32.76 µg/L 41% of the EPA limit 80 µg/L Main supplier: RIVER LANDING CONDOMINIUM ASSOC · 52 people · 2019
Highest in the city: 47.34 µg/L — HIWASSEE UTILITY COMMISSION · 25 people · 2019 | 2/2 | SYR4 |
| Total Haloacetic Acids (HAA5) | 15.96 µg/L 27% of the EPA limit 60 µg/L Main supplier: RIVER LANDING CONDOMINIUM ASSOC · 52 people · 2019
Highest in the city: 33.16 µg/L — HIWASSEE UTILITY COMMISSION · 25 people · 2019 | 2/2 | SYR4 |
| Gross Alpha, Excl. Radon And U | 3.05 pCi/L 20% of the EPA limit 15 pCi/L Main supplier: RIVER LANDING CONDOMINIUM ASSOC · 52 people · 2016 | 1/2 | SYR4 |
| Carbon Tetrachloride | 1.5 µg/L 30% of the EPA limit 5 µg/L Main supplier: RIVER LANDING CONDOMINIUM ASSOC · 52 people · 2019 | 1/2 | SYR4 |
| 2,4-D | 0.4900 µg/L 0.7% of the EPA limit 70 µg/L Highest in the city: HIWASSEE UTILITY COMMISSION · 25 people · 2019 | 1/2 | SYR4 |
| Atrazine | 0.1000 µg/L 3.3% of the EPA limit 3 µg/L Highest in the city: HIWASSEE UTILITY COMMISSION · 25 people · 2019 | 1/2 | SYR4 |
| Lead | 0.0010 mg/L 6.7% of the EPA limit 0.0150 mg/L Main supplier: RIVER LANDING CONDOMINIUM ASSOC · 52 people · 2025
Highest in the city: 0.0020 mg/L — HIWASSEE UTILITY COMMISSION · 25 people · 2025 | 2/2 | LCR |
Water suppliers serving Charleston
| Supplier | Population served |
|---|---|
| RIVER LANDING CONDOMINIUM ASSOC | 52 |
| HIWASSEE UTILITY COMMISSION | 25 |
Frequently asked questions about Charleston tap water
Is Charleston tap water safe to drink?
EPA testing detected 8 contaminants in the water serving Charleston. A detection isn't the same as a violation — most detected levels are within federal limits. Check the level and source for each contaminant above, and your utility's annual Consumer Confidence Report for the official compliance status.
How many water suppliers serve Charleston?
2 public water suppliers report drinking-water monitoring for Charleston, Tennessee to the EPA. Each is listed above with its population served.
What contaminants are in Charleston's water?
The contaminants EPA monitoring detected in Charleston include Nitrate, TTHM, Total Haloacetic Acids (HAA5), Gross Alpha, Excl. Radon And U, Carbon Tetrachloride. The full list, with the level at the main supplier and the data source, is in the table above.
Where does this data come from?
Every figure is official EPA drinking-water monitoring — the Lead & Copper Rule, the UCMR-5 nationwide testing program, and the EPA Six-Year Review — not our own testing. Each number is labelled with its source and period.