What was found in Cotton Valley'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 |
|---|---|---|---|
| Copper | 870 µg/L 67% of the EPA limit 1300 µg/L Main supplier: TOWN OF COTTON VALLEY WATER SYSTEM · 1,380 people · 2018 | 1/1 | SYR4 |
| Fluoride | 210 µg/L 5.3% of the EPA limit 4000 µg/L Main supplier: TOWN OF COTTON VALLEY WATER SYSTEM · 1,380 people · 2018 | 1/1 | SYR4 |
| Barium | 54 µg/L 2.7% of the EPA limit 2000 µg/L Main supplier: TOWN OF COTTON VALLEY WATER SYSTEM · 1,380 people · 2018 | 1/1 | SYR4 |
| Nitrate-Nitrite | 37 µg/L 0.4% of the EPA limit 10000 µg/L Main supplier: TOWN OF COTTON VALLEY WATER SYSTEM · 1,380 people · 2019 | 1/1 | SYR4 |
| TTHM | 28.36 µg/L 35% of the EPA limit 80 µg/L Main supplier: TOWN OF COTTON VALLEY WATER SYSTEM · 1,380 people · 2019 | 1/1 | SYR4 |
| Dibromochloromethane | 11.765 µg/L No EPA limit set Main supplier: TOWN OF COTTON VALLEY WATER SYSTEM · 1,380 people · 2019 | 1/1 | SYR4 |
| Bromoform | 11.725 µg/L No EPA limit set Main supplier: TOWN OF COTTON VALLEY WATER SYSTEM · 1,380 people · 2019 | 1/1 | SYR4 |
| Bromodichloromethane | 5.65 µg/L No EPA limit set Main supplier: TOWN OF COTTON VALLEY WATER SYSTEM · 1,380 people · 2019 | 1/1 | SYR4 |
| Total Haloacetic Acids (HAA5) | 5.275 µg/L 8.8% of the EPA limit 60 µg/L Main supplier: TOWN OF COTTON VALLEY WATER SYSTEM · 1,380 people · 2019 | 1/1 | SYR4 |
| Dibromoacetic Acid | 3.2 µg/L No EPA limit set Main supplier: TOWN OF COTTON VALLEY WATER SYSTEM · 1,380 people · 2019 | 1/1 | SYR4 |
| Lead | 3.1 µg/L 21% of the EPA limit 15 µg/L Main supplier: TOWN OF COTTON VALLEY WATER SYSTEM · 1,380 people · 2018 | 1/1 | SYR4 |
| Chloroform | 2.46 µg/L No EPA limit set Main supplier: TOWN OF COTTON VALLEY WATER SYSTEM · 1,380 people · 2019 | 1/1 | SYR4 |
| Dichloroacetic Acid | 2.232 µg/L No EPA limit set Main supplier: TOWN OF COTTON VALLEY WATER SYSTEM · 1,380 people · 2019 | 1/1 | SYR4 |
| Oxamyl | 1.8 µg/L 0.9% of the EPA limit 200 µg/L Main supplier: TOWN OF COTTON VALLEY WATER SYSTEM · 1,380 people · 2018 | 1/1 | SYR4 |
| Trichloroacetic Acid | 1.67 µg/L No EPA limit set Main supplier: TOWN OF COTTON VALLEY WATER SYSTEM · 1,380 people · 2019 | 1/1 | SYR4 |
| Lead | 0.0020 mg/L 13% of the EPA limit 0.0150 mg/L Main supplier: TOWN OF COTTON VALLEY WATER SYSTEM · 1,380 people · 2024 | 1/1 | LCR |
Water suppliers serving Cotton Valley
| Supplier | Population served |
|---|---|
| TOWN OF COTTON VALLEY WATER SYSTEM | 1,380 |
Frequently asked questions about Cotton Valley tap water
Is Cotton Valley tap water safe to drink?
EPA testing detected 16 contaminants in the water serving Cotton Valley. 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 Cotton Valley?
1 public water supplier report drinking-water monitoring for Cotton Valley, Louisiana to the EPA. Each is listed above with its population served.
What contaminants are in Cotton Valley's water?
The contaminants EPA monitoring detected in Cotton Valley include Copper, Fluoride, Barium, Nitrate-Nitrite, TTHM. 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.