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 |
|---|---|---|---|
| MCL | Health-based | Resolved | 2025-05-01 → 2025-05-31 |
| MCL | Health-based | Resolved | 2025-05-01 → 2025-05-31 |
| MCL | Health-based | Resolved | 2025-05-01 → 2025-05-31 |
| MCL | Health-based | Resolved | 2025-05-01 → 2025-05-31 |
| MCL | Health-based | Resolved | 2025-05-01 → 2025-05-31 |
| TT | Health-based | Resolved | 2021-04-01 → 2021-04-30 |
| TT | Health-based | Resolved | 2021-04-01 → 2021-04-30 |
| TT | Health-based | Resolved | 2021-04-01 → 2021-04-30 |
| TT | Health-based | Resolved | 2021-04-01 → 2021-04-30 |
| MCL | Health-based | Resolved | 2016-04-01 → 2016-06-30 |
PFAS detected
| Contaminant | Max | Detection rate | Period |
|---|---|---|---|
| Pfba | 0.0080 µg/L | 3/4 | 2024 |
Other contaminants detected
| Contaminant | Level vs EPA limit | Detection rate | Source | Period |
|---|---|---|---|---|
| Bromodichloromethane | 27.825 µg/L No EPA limit set
worst single sample: 29.4 µg/L | 68/68 | SYR4 | 2012–2019 |
| Chloroform | 78.72 µg/L No EPA limit set
worst single sample: 141 µg/L | 68/68 | SYR4 | 2012–2019 |
| Dibromochloromethane | 17.93 µg/L No EPA limit set
worst single sample: 19.6 µg/L | 68/68 | SYR4 | 2012–2019 |
| TTHM | 113 µg/L 141% of the EPA limit, at the 95th percentile of samples — 80 µg/L
worst single sample: 172 µg/L | 57/59 | SYR4 | 2012–2019 |
| Total Haloacetic Acids (HAA5) | 67.76 µg/L 113% of the EPA limit, at the 95th percentile of samples — 60 µg/L
worst single sample: 99.7 µg/L | 57/57 | SYR4 | 2012–2019 |
| Trichloroacetic Acid | 33.2 µg/L No EPA limit set
worst single sample: 40.6 µg/L | 57/57 | SYR4 | 2012–2019 |
| Dichloroacetic Acid | 33.38 µg/L No EPA limit set
worst single sample: 46.8 µg/L | 55/57 | SYR4 | 2012–2019 |
| Copper | 111.15 µg/L 8.6% of the EPA limit 1300 µg/L
worst single sample: 180 µg/L | 54/65 | SYR4 | 2013–2019 |
| Bromoform | 4.275 µg/L No EPA limit set
worst single sample: 5.4 µg/L | 46/68 | SYR4 | 2012–2019 |
| Dibromoacetic Acid | 5.69 µg/L No EPA limit set
worst single sample: 9.8 µg/L | 42/57 | SYR4 | 2012–2019 |
| Nitrate | 248 µg/L 2.5% of the EPA limit 10000 µg/L | 18/18 | SYR4 | 2012–2019 |
| Monochloroacetic Acid | 15.1 µg/L No EPA limit set
worst single sample: 27.5 µg/L | 17/57 | SYR4 | 2012–2019 |
| Lead | 5.6325 µg/L 38% of the EPA limit 15 µg/L
worst single sample: 7.5 µg/L | 16/65 | SYR4 | 2013–2019 |
| Lead | 0.0 mg/L 0% of the EPA limit 0.0150 mg/L | 15/15 | LCR | 2025 |
| Fluoride | 226.95 µg/L 5.7% of the EPA limit 4000 µg/L
worst single sample: 228 µg/L | 8/8 | SYR4 | 2012–2019 |
| Monobromoacetic Acid | 2.43 µg/L No EPA limit set
worst single sample: 2.5 µg/L | 8/57 | SYR4 | 2012–2019 |
| Barium | 69.67 µg/L 3.5% of the EPA limit 2000 µg/L
worst single sample: 73 µg/L | 7/7 | SYR4 | 2013–2019 |
| Cyanide | 111.72 µg/L 56% of the EPA limit 200 µg/L
worst single sample: 117 µg/L | 4/6 | SYR4 | 2014–2019 |
| Chromium | 3.206 µg/L 3.2% of the EPA limit 100 µg/L
worst single sample: 3.33 µg/L | 3/7 | SYR4 | 2013–2019 |
| Arsenic | 0.9815 µg/L 9.8% of the EPA limit 10 µg/L
worst single sample: 0.9900 µg/L | 2/7 | SYR4 | 2013–2019 |
| Antimony, Total | 0.2100 µg/L 3.5% of the EPA limit 6 µg/L | 1/7 | SYR4 | 2013–2019 |
| Carbon Tetrachloride | 0.7500 µg/L 15% of the EPA limit 5 µg/L | 1/11 | SYR4 | 2012–2019 |
| Combined Radium (-226 And -228) | 1.5 pCi/L 30% of the EPA limit 5 pCi/L | 1/1 | SYR4 | 2016 |
| Gross Beta Particle Activity | 4.7 pCi/L No EPA limit set | 1/1 | SYR4 | 2016 |
83 contaminants tested, none detected
Utility contact
Frequently asked questions about City of Decatur Water Plant
Is City of Decatur Water Plant tap water safe to drink?
EPA monitoring detected 25 contaminants in City of Decatur Water Plant'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 Decatur Water Plant's water?
EPA monitoring detected Bromodichloromethane, Chloroform, Dibromochloromethane, TTHM, Total Haloacetic Acids (HAA5), and others. The full list with the level and data source for each is above.
How many people does City of Decatur Water Plant serve?
City of Decatur Water Plant reports serving 6,910 people in Texas, per its EPA record.
Has City of Decatur Water Plant had any water quality violations?
The EPA has 87 violations on file for City of Decatur Water Plant, of which 68 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.