What was found in ZIP 74421
The level at this ZIP's main supplier, the highest level anywhere in it, the EPA limit for each, and where the figure comes from.
| Contaminant | Level vs EPA limit | Suppliers | Source |
|---|---|---|---|
| TTHM | 228.145 µg/L 285% of the EPA limit, at the 95th percentile of samples — 80 µg/L Main supplier: OKMULGEE CO. RWD #6 (HECTORVILLE) · 8,370 people · 2019 | 1/1 | SYR4 |
| Copper | 212.3 µg/L 16% of the EPA limit 1300 µg/L Main supplier: OKMULGEE CO. RWD #6 (HECTORVILLE) · 8,370 people · 2019 | 1/1 | SYR4 |
| Chloroform | 199.4 µg/L No EPA limit set Main supplier: OKMULGEE CO. RWD #6 (HECTORVILLE) · 8,370 people · 2019 | 1/1 | SYR4 |
| Total Haloacetic Acids (HAA5) | 113.525 µg/L 189% of the EPA limit, at the 95th percentile of samples — 60 µg/L Main supplier: OKMULGEE CO. RWD #6 (HECTORVILLE) · 8,370 people · 2019 | 1/1 | SYR4 |
| Trichloroacetic Acid | 57.455 µg/L No EPA limit set Main supplier: OKMULGEE CO. RWD #6 (HECTORVILLE) · 8,370 people · 2019 | 1/1 | SYR4 |
| Dichloroacetic Acid | 53.56 µg/L No EPA limit set Main supplier: OKMULGEE CO. RWD #6 (HECTORVILLE) · 8,370 people · 2019 | 1/1 | SYR4 |
| Bromodichloromethane | 37.07 µg/L No EPA limit set Main supplier: OKMULGEE CO. RWD #6 (HECTORVILLE) · 8,370 people · 2019 | 1/1 | SYR4 |
| Lead | 34.75 µg/L 232% of the EPA limit, at the 95th percentile of samples — 15 µg/L Main supplier: OKMULGEE CO. RWD #6 (HECTORVILLE) · 8,370 people · 2019 | 1/1 | SYR4 |
| Dibromochloromethane | 10.19 µg/L No EPA limit set Main supplier: OKMULGEE CO. RWD #6 (HECTORVILLE) · 8,370 people · 2019 | 1/1 | SYR4 |
| Monochloroacetic Acid | 6.555 µg/L No EPA limit set Main supplier: OKMULGEE CO. RWD #6 (HECTORVILLE) · 8,370 people · 2019 | 1/1 | SYR4 |
| Monobromoacetic Acid | 4.425 µg/L No EPA limit set Main supplier: OKMULGEE CO. RWD #6 (HECTORVILLE) · 8,370 people · 2019 | 1/1 | SYR4 |
| Dibromoacetic Acid | 2.76 µg/L No EPA limit set Main supplier: OKMULGEE CO. RWD #6 (HECTORVILLE) · 8,370 people · 2019 | 1/1 | SYR4 |
| Bromoform | 1.1 µg/L No EPA limit set Main supplier: OKMULGEE CO. RWD #6 (HECTORVILLE) · 8,370 people · 2019 | 1/1 | SYR4 |
| Pfba | 0.0069 µg/L No EPA limit set Main supplier: OKMULGEE CO. RWD #6 (HECTORVILLE) · 8,370 people · 2025 | 1/1 | UCMR-5 |
| Lead | 0.0 mg/L 0% of the EPA limit 0.0150 mg/L Main supplier: OKMULGEE CO. RWD #6 (HECTORVILLE) · 8,370 people · 2023 | 1/1 | LCR |
Each bar shows the measured level as a share of the EPA limit: green is
well under, amber is close to it, red is over. For lead and copper the
limit applies to exactly the 90th-percentile figure shown, so red there
means a real exceedance. For everything else the limit applies to a
running annual average while the figure is the 95th percentile of the
system's samples — over 100% is worth reading, but is not by itself a
violation.
Formal violations are listed separately.
Water suppliers serving ZIP 74421
| Supplier | State | Population served |
|---|---|---|
| OKMULGEE CO. RWD #6 (HECTORVILLE) | OK | 8,370 |
Frequently asked questions about ZIP 74421 tap water
Is the tap water in ZIP 74421 safe to drink?
EPA testing detected 15 contaminants across the water suppliers serving ZIP 74421. A detection isn't the same as a violation — most levels are within federal limits. See each level and source above, and your utility's annual Consumer Confidence Report for the official status.
Which water suppliers serve ZIP 74421?
1 public water supplier report EPA drinking-water monitoring for ZIP 74421. Each is listed above with its population served.
What contaminants are in ZIP 74421's water?
EPA monitoring detected TTHM, Copper, Chloroform, Total Haloacetic Acids (HAA5), Trichloroacetic Acid, and others across this ZIP's suppliers. The full list with levels and sources is above.