What was found in Lexington's water
The highest level seen across the city's suppliers, the EPA limit for each, and where the figure comes from.
| Contaminant | Level vs EPA limit | Suppliers | Source |
|---|---|---|---|
| Nitrate | 7000 µg/L 70% of the EPA limit 10000 µg/L | 20/23 | SYR4 |
| Copper | 4100 µg/L 315% of the EPA limit, in the worst sample — 1300 µg/L | 23/23 | SYR4 |
| Nitrate-Nitrite | 3600 µg/L 36% of the EPA limit 10000 µg/L | 19/23 | SYR4 |
| Fluoride | 640 µg/L 16% of the EPA limit 4000 µg/L | 9/23 | SYR4 |
| Barium | 420 µg/L 21% of the EPA limit 2000 µg/L | 4/23 | SYR4 |
| TTHM | 98.34 µg/L 123% of the EPA limit, in the worst sample — 80 µg/L | 6/23 | SYR4 |
| Bromodichloromethane | 80 µg/L No EPA limit set | 5/23 | SYR4 |
| Total Haloacetic Acids (HAA5) | 78.11 µg/L 130% of the EPA limit, in the worst sample — 60 µg/L | 9/23 | SYR4 |
| Chloroform | 77.06 µg/L No EPA limit set | 6/23 | SYR4 |
| Dichloroacetic Acid | 50.83 µg/L No EPA limit set | 6/23 | SYR4 |
| Lead | 48 µg/L 320% of the EPA limit, in the worst sample — 15 µg/L | 21/23 | SYR4 |
| Trichloroacetic Acid | 35.83 µg/L No EPA limit set | 3/23 | SYR4 |
| Combined Uranium | 24 µg/L 80% of the EPA limit 30 µg/L | 3/23 | SYR4 |
| Gross Alpha, Excl. Radon And U | 21.9 pCi/L 146% of the EPA limit, in the worst sample — 15 pCi/L | 11/23 | SYR4 |
| Gross Beta Particle Activity | 9.96 pCi/L No EPA limit set | 6/23 | SYR4 |
| Combined Radium (-226 And -228) | 9.3 pCi/L 186% of the EPA limit, in the worst sample — 5 pCi/L | 19/23 | SYR4 |
| Dibromochloromethane | 8.51 µg/L No EPA limit set | 5/23 | SYR4 |
| Bromoform | 8.2812 µg/L No EPA limit set | 4/23 | SYR4 |
| Monobromoacetic Acid | 5.58 µg/L No EPA limit set | 4/23 | SYR4 |
| Di(2-ethylhexyl) Phthalate | 5.2 µg/L 87% of the EPA limit 6 µg/L | 1/23 | SYR4 |
| Monochloroacetic Acid | 4.42 µg/L No EPA limit set | 1/23 | SYR4 |
| Dibromoacetic Acid | 3.74 µg/L No EPA limit set | 6/23 | SYR4 |
| Cadmium | 0.3700 µg/L 7.4% of the EPA limit 5 µg/L | 1/23 | SYR4 |
| Lead | 0.0210 mg/L 140% above the EPA limit of 0.0150 mg/L | 23/23 | LCR |
| Hfpo-Da | 0.0101 µg/L No EPA limit set | 2/23 | UCMR-5 |
| PFOS | 0.0062 µg/L No EPA limit set | 2/23 | UCMR-5 |
| Pfpea | 0.0048 µg/L No EPA limit set | 2/23 | UCMR-5 |
| Pfhxa | 0.0045 µg/L No EPA limit set | 2/23 | UCMR-5 |
| PFOA | 0.0044 µg/L No EPA limit set | 2/23 | UCMR-5 |
Water suppliers serving Lexington
Frequently asked questions about Lexington tap water
Is Lexington tap water safe to drink?
EPA testing detected 29 contaminants in the water serving Lexington. 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 Lexington?
23 public water suppliers report drinking-water monitoring for Lexington, South Carolina to the EPA. Each is listed above with its population served.
What contaminants are in Lexington's water?
The contaminants EPA monitoring detected in Lexington include Nitrate, Copper, Nitrate-Nitrite, Fluoride, Barium. The full list, with the highest level found 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.