What was found in Covington'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 |
|---|---|---|---|
| Copper | 2200 µg/L 169% of the EPA limit, in the worst sample — 1300 µg/L | 21/23 | SYR4 |
| Nitrate-Nitrite | 1000 µg/L 10% of the EPA limit 10000 µg/L | 17/23 | SYR4 |
| Fluoride | 700 µg/L 18% of the EPA limit 4000 µg/L | 22/23 | SYR4 |
| Lead | 198 µg/L 1320% of the EPA limit, in the worst sample — 15 µg/L | 23/23 | SYR4 |
| TTHM | 121 µg/L 151% of the EPA limit, in the worst sample — 80 µg/L | 23/23 | SYR4 |
| Chloroform | 104 µg/L No EPA limit set | 23/23 | SYR4 |
| Barium | 66 µg/L 3.3% of the EPA limit 2000 µg/L | 6/23 | SYR4 |
| Total Haloacetic Acids (HAA5) | 42.6 µg/L 71% of the EPA limit 60 µg/L | 23/23 | SYR4 |
| Dichloroacetic Acid | 28.2 µg/L No EPA limit set | 23/23 | SYR4 |
| Selenium | 23 µg/L 46% of the EPA limit 50 µg/L | 1/23 | SYR4 |
| Trichloroacetic Acid | 18.9 µg/L No EPA limit set | 23/23 | SYR4 |
| Lithium | 16.7 µg/L No EPA limit set | 5/23 | UCMR-5 |
| Bromodichloromethane | 14.9 µg/L No EPA limit set | 21/23 | SYR4 |
| Chromium | 10 µg/L 10% of the EPA limit 100 µg/L | 1/23 | SYR4 |
| Dibromochloromethane | 9.1 µg/L No EPA limit set | 18/23 | SYR4 |
| Monochloroacetic Acid | 7.7 µg/L No EPA limit set | 10/23 | SYR4 |
| Xylenes, Total | 7.2 µg/L 0.1% of the EPA limit 10000 µg/L | 3/23 | SYR4 |
| Monobromoacetic Acid | 6.9 µg/L No EPA limit set | 3/23 | SYR4 |
| Gross Alpha, Excl. Radon And U | 6.25 pCi/L 42% of the EPA limit 15 pCi/L | 1/23 | SYR4 |
| Arsenic | 6.2 µg/L 62% of the EPA limit 10 µg/L | 10/23 | SYR4 |
| Gross Beta Particle Activity | 5 pCi/L No EPA limit set | 11/23 | SYR4 |
| Di(2-ethylhexyl) Phthalate | 3.87 µg/L 65% of the EPA limit 6 µg/L | 16/23 | SYR4 |
| Dibromoacetic Acid | 3.7 µg/L No EPA limit set | 21/23 | SYR4 |
| Bromoform | 3.1 µg/L No EPA limit set | 10/23 | SYR4 |
| Combined Radium (-226 And -228) | 2.24 pCi/L 45% of the EPA limit 5 pCi/L | 8/23 | SYR4 |
| Dalapon | 2.033 µg/L 1% of the EPA limit 200 µg/L | 9/23 | SYR4 |
| Ethylbenzene | 2 µg/L 0.3% of the EPA limit 700 µg/L | 1/23 | SYR4 |
| Combined Uranium | 1.49 µg/L 5% of the EPA limit 30 µg/L | 1/23 | SYR4 |
| Antimony, Total | 1 µg/L 17% of the EPA limit 6 µg/L | 2/23 | SYR4 |
| Cadmium | 1 µg/L 20% of the EPA limit 5 µg/L | 1/23 | SYR4 |
| Toluene | 0.9300 µg/L 0.1% of the EPA limit 1000 µg/L | 2/23 | SYR4 |
| Di(2-ethylhexyl) Adipate | 0.8100 µg/L 0.2% of the EPA limit 400 µg/L | 1/23 | SYR4 |
| Styrene | 0.3900 µg/L 0.4% of the EPA limit 100 µg/L | 1/23 | SYR4 |
| Pentachlorophenol | 0.2460 µg/L 25% of the EPA limit 1 µg/L | 5/23 | SYR4 |
| Hexachlorobenzene | 0.1020 µg/L 10% of the EPA limit 1 µg/L | 1/23 | SYR4 |
| 6:2 Fts | 0.0082 µg/L No EPA limit set | 1/23 | UCMR-5 |
| Lead | 0.0070 mg/L 47% of the EPA limit 0.0150 mg/L | 23/23 | LCR |
Water suppliers serving Covington
Frequently asked questions about Covington tap water
Is Covington tap water safe to drink?
EPA testing detected 37 contaminants in the water serving Covington. 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 Covington?
23 public water suppliers report drinking-water monitoring for Covington, Louisiana to the EPA. Each is listed above with its population served.
What contaminants are in Covington's water?
The contaminants EPA monitoring detected in Covington include Copper, Nitrate-Nitrite, Fluoride, Lead, TTHM. 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.