Compliance record
Formal violations the EPA has on file for this supplier. A health-based violation means a contaminant limit or a required treatment was breached; the rest are monitoring or reporting failures — still violations, but not a measured health risk.
| Violation | Type | Status | Period |
|---|---|---|---|
| TT | Health-based | Resolved | 2024-10-17 |
| MCL | Health-based | Resolved | 2013-04-01 → 2013-04-30 |
| MCL | Health-based | Resolved | 2013-04-01 → 2013-04-30 |
| MCL | Health-based | Resolved | 2013-04-01 → 2013-04-30 |
| MCL | Health-based | Resolved | 2013-04-01 → 2013-04-30 |
| MCL | Health-based | Archived | 2002-10-01 → 2002-10-31 |
| MCL | Health-based | Archived | 2002-10-01 → 2002-10-31 |
| MCL | Health-based | Archived | 2002-10-01 → 2002-10-31 |
| MCL | Health-based | Archived | 1994-07-15 → 1994-08-14 |
| MCL | Health-based | Archived | 1994-07-15 → 1994-08-14 |
Other contaminants detected
| Contaminant | Level vs EPA limit | Detection rate | Source | Period |
|---|---|---|---|---|
| Copper | 1145 µg/L 88% of the EPA limit 1300 µg/L
worst single sample: 1400 µg/L | 52/94 | SYR4 | 2013–2019 |
| Lead | 15.75 µg/L 105% of the EPA limit, at the 95th percentile of samples — 15 µg/L
worst single sample: 38 µg/L | 50/94 | SYR4 | 2013–2019 |
| Nitrate-Nitrite | 249 µg/L 2.5% of the EPA limit 10000 µg/L
worst single sample: 300 µg/L | 38/72 | SYR4 | 2012–2019 |
| Lead | 0.0 mg/L 0% of the EPA limit 0.0150 mg/L | 13/13 | LCR | 2026 |
| Combined Radium (-226 And -228) | 0.9942 pCi/L 20% of the EPA limit 5 pCi/L
worst single sample: 1.01 pCi/L | 4/8 | SYR4 | 2016–2019 |
| Dichloroacetic Acid | 0.9500 µg/L No EPA limit set
worst single sample: 0.9800 µg/L | 4/53 | SYR4 | 2012–2019 |
| TTHM | 2.15 µg/L 2.7% of the EPA limit 80 µg/L
worst single sample: 2.3 µg/L | 4/53 | SYR4 | 2012–2019 |
| Total Haloacetic Acids (HAA5) | 1.3795 µg/L 2.3% of the EPA limit 60 µg/L
worst single sample: 1.45 µg/L | 4/53 | SYR4 | 2012–2019 |
| Arsenic | 1 µg/L 10% of the EPA limit 10 µg/L | 3/12 | SYR4 | 2013–2019 |
| Chloroform | 2.158 µg/L No EPA limit set
worst single sample: 2.3 µg/L | 3/53 | SYR4 | 2012–2019 |
| Di(2-ethylhexyl) Phthalate | 3.471 µg/L 58% of the EPA limit 6 µg/L
worst single sample: 3.63 µg/L | 3/12 | SYR4 | 2013–2019 |
| Fluoride | 190 µg/L 4.8% of the EPA limit 4000 µg/L
worst single sample: 200 µg/L | 3/12 | SYR4 | 2013–2019 |
| Gross Beta Particle Activity | 1.999 pCi/L No EPA limit set
worst single sample: 2.02 pCi/L | 3/12 | SYR4 | 2013–2019 |
| Antimony, Total | 1.6 µg/L 27% of the EPA limit 6 µg/L | 1/12 | SYR4 | 2013–2019 |
| Dibromochloromethane | 1.3 µg/L No EPA limit set | 1/53 | SYR4 | 2012–2019 |
| Trichloroacetic Acid | 0.9100 µg/L No EPA limit set | 1/53 | SYR4 | 2012–2019 |
96 contaminants tested, none detected
Utility contact
Frequently asked questions about City of Deridder Water
Is City of Deridder Water tap water safe to drink?
EPA monitoring detected 16 contaminants in City of Deridder Water's water. A detection isn't the same as a violation — most levels are within federal limits. See each level and source above, and the utility's annual Consumer Confidence Report for its official compliance status.
What contaminants were detected in City of Deridder Water's water?
EPA monitoring detected Copper, Lead, Nitrate-Nitrite, Lead, Combined Radium (-226 And -228), and others. The full list with the level and data source for each is above.
How many people does City of Deridder Water serve?
City of Deridder Water reports serving 14,400 people in Louisiana, per its EPA record.
Has City of Deridder Water had any water quality violations?
The EPA has 20 violations on file for City of Deridder Water, of which 10 are health-based (a contaminant limit or required treatment was breached) and 0 remain open. The rest are monitoring or reporting failures.
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.