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 | Archived | 2025-10-01 → 2025-12-31 |
| MCL | Health-based | Archived | 2025-10-01 → 2025-12-31 |
| MCL | Health-based | Archived | 2025-10-01 → 2025-12-31 |
| MCL | Health-based | Archived | 2025-07-01 → 2025-09-30 |
| MCL | Health-based | Archived | 2025-07-01 → 2025-09-30 |
| MCL | Health-based | Archived | 2025-07-01 → 2025-09-30 |
| MCL | Health-based | Archived | 2025-04-01 → 2025-06-30 |
| MCL | Health-based | Archived | 2025-04-01 → 2025-06-30 |
| MCL | Health-based | Archived | 2025-04-01 → 2025-06-30 |
| MCL | Health-based | Archived | 2025-04-01 → 2025-06-30 |
Other contaminants detected
| Contaminant | Level vs EPA limit | Detection rate | Source | Period |
|---|---|---|---|---|
| TTHM | 190 µg/L 238% of the EPA limit, in the worst sample — 80 µg/L | 32/32 | SYR4 | 2012–2019 |
| Total Haloacetic Acids (HAA5) | 135 µg/L 225% of the EPA limit, in the worst sample — 60 µg/L | 32/32 | SYR4 | 2012–2019 |
| Bromodichloromethane | 30.4 µg/L No EPA limit set | 25/25 | SYR4 | 2013–2019 |
| Chloroform | 153 µg/L No EPA limit set | 25/25 | SYR4 | 2013–2019 |
| Dichloroacetic Acid | 55.6 µg/L No EPA limit set | 25/25 | SYR4 | 2013–2019 |
| Trichloroacetic Acid | 81.5 µg/L No EPA limit set | 25/25 | SYR4 | 2013–2019 |
| Copper | 726 µg/L 56% of the EPA limit 1300 µg/L | 23/30 | SYR4 | 2013–2019 |
| Dibromochloromethane | 7.04 µg/L No EPA limit set | 22/25 | SYR4 | 2013–2019 |
| Monochloroacetic Acid | 7.41 µg/L No EPA limit set | 9/25 | SYR4 | 2013–2019 |
| Dibromoacetic Acid | 1.95 µg/L No EPA limit set | 8/25 | SYR4 | 2013–2019 |
| Lead | 0.0 mg/L 0% of the EPA limit 0.0150 mg/L | 6/6 | LCR | 2026 |
| Lead | 7 µg/L 47% of the EPA limit 15 µg/L | 1/30 | SYR4 | 2013–2019 |
| Monobromoacetic Acid | 1.48 µg/L No EPA limit set | 1/25 | SYR4 | 2013–2019 |
1 contaminants tested, none detected
Utility contact
Frequently asked questions about Muskogee Co. Rwd #9
Is Muskogee Co. Rwd #9 tap water safe to drink?
EPA monitoring detected 13 contaminants in Muskogee Co. Rwd #9'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 Muskogee Co. Rwd #9's water?
EPA monitoring detected TTHM, Total Haloacetic Acids (HAA5), Bromodichloromethane, Chloroform, Dichloroacetic Acid, and others. The full list with the level and data source for each is above.
How many people does Muskogee Co. Rwd #9 serve?
Muskogee Co. Rwd #9 reports serving 300 people in Oklahoma, per its EPA record.
Has Muskogee Co. Rwd #9 had any water quality violations?
The EPA has 255 violations on file for Muskogee Co. Rwd #9, of which 162 are health-based (a contaminant limit or required treatment was breached) and 2 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.