What was found in Earlsboro's water
The level at the city's main supplier, the highest level anywhere in the city, the EPA limit for each, and where every figure comes from.
| Contaminant | Level vs EPA limit | Suppliers | Source |
|---|---|---|---|
| Nitrate-Nitrite | 9099 µg/L 91% of the EPA limit 10000 µg/L Main supplier: TRI-COUNTY RWD #2 · 5,172 people · 2019 | 1/1 | SYR4 |
| Nitrate | 9050 µg/L 91% of the EPA limit 10000 µg/L Main supplier: TRI-COUNTY RWD #2 · 5,172 people · 2018 | 1/1 | SYR4 |
| Copper | 247.75 µg/L 19% of the EPA limit 1300 µg/L Main supplier: TRI-COUNTY RWD #2 · 5,172 people · 2019 | 1/1 | SYR4 |
| Barium | 148.65 µg/L 7.4% of the EPA limit 2000 µg/L Main supplier: TRI-COUNTY RWD #2 · 5,172 people · 2019 | 1/1 | SYR4 |
| Lithium | 17 µg/L No EPA limit set Main supplier: TRI-COUNTY RWD #2 · 5,172 people · 2025 | 1/1 | UCMR-5 |
| Lead | 10.545 µg/L 70% of the EPA limit 15 µg/L Main supplier: TRI-COUNTY RWD #2 · 5,172 people · 2019 | 1/1 | SYR4 |
| Chromium | 5.5 µg/L 5.5% of the EPA limit 100 µg/L Main supplier: TRI-COUNTY RWD #2 · 5,172 people · 2019 | 1/1 | SYR4 |
| Gross Beta Particle Activity | 4.366 pCi/L No EPA limit set Main supplier: TRI-COUNTY RWD #2 · 5,172 people · 2019 | 1/1 | SYR4 |
| Gross Alpha, Excl. Radon And U | 2.82 pCi/L 19% of the EPA limit 15 pCi/L Main supplier: TRI-COUNTY RWD #2 · 5,172 people · 2019 | 1/1 | SYR4 |
| Dibromochloromethane | 1.4 µg/L No EPA limit set Main supplier: TRI-COUNTY RWD #2 · 5,172 people · 2019 | 1/1 | SYR4 |
| Combined Radium (-226 And -228) | 1.26 pCi/L 25% of the EPA limit 5 pCi/L Main supplier: TRI-COUNTY RWD #2 · 5,172 people · 2019 | 1/1 | SYR4 |
| Bromoform | 1.1 µg/L No EPA limit set Main supplier: TRI-COUNTY RWD #2 · 5,172 people · 2019 | 1/1 | SYR4 |
| TTHM | 1.1 µg/L 1.4% of the EPA limit 80 µg/L Main supplier: TRI-COUNTY RWD #2 · 5,172 people · 2019 | 1/1 | SYR4 |
| Dibromoacetic Acid | 1 µg/L No EPA limit set Main supplier: TRI-COUNTY RWD #2 · 5,172 people · 2019 | 1/1 | SYR4 |
| Total Haloacetic Acids (HAA5) | 1 µg/L 1.7% of the EPA limit 60 µg/L Main supplier: TRI-COUNTY RWD #2 · 5,172 people · 2019 | 1/1 | SYR4 |
| Pentachlorophenol | 0.2880 µg/L 29% of the EPA limit 1 µg/L Main supplier: TRI-COUNTY RWD #2 · 5,172 people · 2019 | 1/1 | SYR4 |
| PFHXS | 0.0220 µg/L No EPA limit set Main supplier: TRI-COUNTY RWD #2 · 5,172 people · 2025 | 1/1 | UCMR-5 |
| PFOS | 0.0060 µg/L No EPA limit set Main supplier: TRI-COUNTY RWD #2 · 5,172 people · 2025 | 1/1 | UCMR-5 |
| Lead | 0.0040 mg/L 26% of the EPA limit 0.0150 mg/L Main supplier: TRI-COUNTY RWD #2 · 5,172 people · 2025 | 1/1 | LCR |
Water suppliers serving Earlsboro
| Supplier | Population served |
|---|---|
| TRI-COUNTY RWD #2 | 5,172 |
Frequently asked questions about Earlsboro tap water
Is Earlsboro tap water safe to drink?
EPA testing detected 19 contaminants in the water serving Earlsboro. A detection isn't the same as a violation — most detected levels are within federal limits. Check the level and source for each contaminant above, and your utility's annual Consumer Confidence Report for the official compliance status.
How many water suppliers serve Earlsboro?
1 public water supplier report drinking-water monitoring for Earlsboro, Oklahoma to the EPA. Each is listed above with its population served.
What contaminants are in Earlsboro's water?
The contaminants EPA monitoring detected in Earlsboro include Nitrate-Nitrite, Nitrate, Copper, Barium, Lithium. The full list, with the level at the main supplier and the data source, is in the table above.
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.