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 | 2013-06-01 → 2013-06-30 |
| MCL | Health-based | Resolved | 2013-06-01 → 2013-06-30 |
| MCL | Health-based | Resolved | 2013-06-01 → 2013-06-30 |
| MCL | Health-based | Resolved | 1991-08-01 → 1991-08-31 |
| Other | Monitoring | Resolved | 2024-07-01 |
| Other | Monitoring | Resolved | 2024-07-01 |
| MR | Monitoring | Archived | 2023-06-01 → 2024-05-31 |
| MR | Monitoring | Archived | 2023-06-01 → 2024-05-31 |
| MR | Monitoring | Archived | 2023-06-01 → 2024-05-31 |
| MR | Monitoring | Archived | 2023-06-01 → 2024-05-31 |
Other contaminants detected
| Contaminant | Level vs EPA limit | Detection rate | Source | Period |
|---|---|---|---|---|
| Copper | 172.6 µg/L 13% of the EPA limit 1300 µg/L
worst single sample: 337 µg/L | 53/60 | SYR4 | 2013–2019 |
| TTHM | 46.99 µg/L 59% of the EPA limit 80 µg/L
worst single sample: 48.3 µg/L | 24/24 | SYR4 | 2012–2019 |
| Total Haloacetic Acids (HAA5) | 12.405 µg/L 21% of the EPA limit 60 µg/L
worst single sample: 12.7 µg/L | 24/24 | SYR4 | 2012–2019 |
| Bromodichloromethane | 11.545 µg/L No EPA limit set
worst single sample: 11.6 µg/L | 12/12 | SYR4 | 2014–2019 |
| Chloroform | 32.99 µg/L No EPA limit set
worst single sample: 33.1 µg/L | 12/12 | SYR4 | 2014–2019 |
| Dibromochloromethane | 5.194 µg/L No EPA limit set
worst single sample: 5.48 µg/L | 12/12 | SYR4 | 2014–2019 |
| Dichloroacetic Acid | 5.082 µg/L No EPA limit set
worst single sample: 5.17 µg/L | 12/12 | SYR4 | 2014–2019 |
| Trichloroacetic Acid | 4.5835 µg/L No EPA limit set
worst single sample: 4.6 µg/L | 12/12 | SYR4 | 2014–2019 |
| Lead | 0.0 mg/L 0% of the EPA limit 0.0150 mg/L | 9/9 | LCR | 2025 |
| Dibromoacetic Acid | 1.51 µg/L No EPA limit set | 1/12 | SYR4 | 2014–2019 |
4 contaminants tested, none detected
Utility contact
Frequently asked questions about Water Improvement District #3
Is Water Improvement District #3 tap water safe to drink?
EPA monitoring detected 10 contaminants in Water Improvement District #3'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 Water Improvement District #3's water?
EPA monitoring detected Copper, TTHM, Total Haloacetic Acids (HAA5), Bromodichloromethane, Chloroform, and others. The full list with the level and data source for each is above.
How many people does Water Improvement District #3 serve?
Water Improvement District #3 reports serving 2,475 people in Oklahoma, per its EPA record.
Has Water Improvement District #3 had any water quality violations?
The EPA has 41 violations on file for Water Improvement District #3, of which 4 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.