What was found in Osceola'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 |
|---|---|---|---|
| Fluoride | 920 µg/L 23% of the EPA limit 4000 µg/L Main supplier: OSCEOLA WATERWORKS · 6,053 people · 2019 | 1/3 | SYR4 |
| Copper | 413.59999999999997 µg/L 32% of the EPA limit 1300 µg/L Main supplier: OSCEOLA WATERWORKS · 6,053 people · 2019
Highest in the city: 907.9999999999999 µg/L — JOINER WATERWORKS · 486 people · 2017 | 3/3 | SYR4 |
| Nitrate-Nitrite | 190 µg/L 1.9% of the EPA limit 10000 µg/L Main supplier: OSCEOLA WATERWORKS · 6,053 people · 2019 | 1/3 | SYR4 |
| Lead | 18.279999999999994 µg/L 122% of the EPA limit, at the 95th percentile of samples — 15 µg/L Main supplier: OSCEOLA WATERWORKS · 6,053 people · 2019 | 3/3 | SYR4 |
| Lithium | 16 µg/L No EPA limit set Main supplier: OSCEOLA WATERWORKS · 6,053 people · 2025 | 1/3 | UCMR-5 |
| TTHM | 7.775 µg/L 9.7% of the EPA limit 80 µg/L Main supplier: OSCEOLA WATERWORKS · 6,053 people · 2019
Highest in the city: 8.464999999999998 µg/L — LITTLE RIVER WATER ASSOCIATION · 619 people · 2019 | 3/3 | SYR4 |
| Chloroform | 5.524999999999998 µg/L No EPA limit set Main supplier: OSCEOLA WATERWORKS · 6,053 people · 2019 | 3/3 | SYR4 |
| Total Haloacetic Acids (HAA5) | 5.4 µg/L 9% of the EPA limit 60 µg/L Main supplier: OSCEOLA WATERWORKS · 6,053 people · 2019 | 3/3 | SYR4 |
| Bromodichloromethane | 1.875 µg/L No EPA limit set Main supplier: OSCEOLA WATERWORKS · 6,053 people · 2019
Highest in the city: 2.8499999999999996 µg/L — LITTLE RIVER WATER ASSOCIATION · 619 people · 2019 | 2/3 | SYR4 |
| Dichloroacetic Acid | 2.2 µg/L No EPA limit set Main supplier: OSCEOLA WATERWORKS · 6,053 people · 2019 | 3/3 | SYR4 |
| Trichloroacetic Acid | 1.38 µg/L No EPA limit set Main supplier: OSCEOLA WATERWORKS · 6,053 people · 2019
Highest in the city: 1.7799999999999998 µg/L — LITTLE RIVER WATER ASSOCIATION · 619 people · 2019 | 3/3 | SYR4 |
| Dibromochloromethane | 0.3423 µg/L No EPA limit set Main supplier: OSCEOLA WATERWORKS · 6,053 people · 2019
Highest in the city: 1.75 µg/L — LITTLE RIVER WATER ASSOCIATION · 619 people · 2019 | 3/3 | SYR4 |
| Dibromoacetic Acid | 1.2 µg/L No EPA limit set Highest in the city: LITTLE RIVER WATER ASSOCIATION · 619 people · 2019 | 1/3 | SYR4 |
| Monobromoacetic Acid | 1.1 µg/L No EPA limit set Highest in the city: LITTLE RIVER WATER ASSOCIATION · 619 people · 2019 | 1/3 | SYR4 |
| Lead | 0.0010 mg/L 6.7% of the EPA limit 0.0150 mg/L Main supplier: OSCEOLA WATERWORKS · 6,053 people · 2025
Highest in the city: 0.0060 mg/L — LITTLE RIVER WATER ASSOCIATION · 619 people · 2003 | 3/3 | LCR |
Water suppliers serving Osceola
| Supplier | Population served |
|---|---|
| OSCEOLA WATERWORKS | 6,053 |
| LITTLE RIVER WATER ASSOCIATION | 619 |
| JOINER WATERWORKS | 486 |
Frequently asked questions about Osceola tap water
Is Osceola tap water safe to drink?
EPA testing detected 15 contaminants in the water serving Osceola. 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 Osceola?
3 public water suppliers report drinking-water monitoring for Osceola, Arkansas to the EPA. Each is listed above with its population served.
What contaminants are in Osceola's water?
The contaminants EPA monitoring detected in Osceola include Fluoride, Copper, Nitrate-Nitrite, Lead, 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.