What was found in Lake City'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 | 1060 µg/L 27% of the EPA limit 4000 µg/L Main supplier: LAKE CITY WATERWORKS · 2,186 people · 2019 | 1/2 | SYR4 |
| Copper | 449 µg/L 35% of the EPA limit 1300 µg/L Main supplier: LAKE CITY WATERWORKS · 2,186 people · 2019
Highest in the city: 460 µg/L — BLACK OAK WATERWORKS · 245 people · 2018 | 2/2 | SYR4 |
| Nitrate-Nitrite | 210 µg/L 2.1% of the EPA limit 10000 µg/L Highest in the city: BLACK OAK WATERWORKS · 245 people · 2019 | 1/2 | SYR4 |
| TTHM | 21.69 µg/L 27% of the EPA limit 80 µg/L Main supplier: LAKE CITY WATERWORKS · 2,186 people · 2019 | 2/2 | SYR4 |
| Lead | 7.6 µg/L 51% of the EPA limit 15 µg/L Main supplier: LAKE CITY WATERWORKS · 2,186 people · 2019
Highest in the city: 15.6 µg/L — BLACK OAK WATERWORKS · 245 people · 2018 | 2/2 | SYR4 |
| Total Haloacetic Acids (HAA5) | 13.24 µg/L 22% of the EPA limit 60 µg/L Main supplier: LAKE CITY WATERWORKS · 2,186 people · 2019 | 2/2 | SYR4 |
| Chloroform | 9.7 µg/L No EPA limit set Main supplier: LAKE CITY WATERWORKS · 2,186 people · 2019
Highest in the city: 9.73 µg/L — BLACK OAK WATERWORKS · 245 people · 2019 | 2/2 | SYR4 |
| Trichloroacetic Acid | 6.48 µg/L No EPA limit set Main supplier: LAKE CITY WATERWORKS · 2,186 people · 2019 | 2/2 | SYR4 |
| Bromodichloromethane | 5.775 µg/L No EPA limit set Main supplier: LAKE CITY WATERWORKS · 2,186 people · 2019 | 2/2 | SYR4 |
| Dichloroacetic Acid | 5.205 µg/L No EPA limit set Main supplier: LAKE CITY WATERWORKS · 2,186 people · 2019 | 2/2 | SYR4 |
| Gross Beta Particle Activity | 3.3 pCi/L No EPA limit set Highest in the city: BLACK OAK WATERWORKS · 245 people · 2018 | 1/2 | SYR4 |
| Dibromochloromethane | 2.46 µg/L No EPA limit set Main supplier: LAKE CITY WATERWORKS · 2,186 people · 2019 | 2/2 | SYR4 |
| Di(2-ethylhexyl) Phthalate | 2.09 µg/L 35% of the EPA limit 6 µg/L Main supplier: LAKE CITY WATERWORKS · 2,186 people · 2019 | 1/2 | SYR4 |
| Xylenes, Total | 1.417 µg/L 0% of the EPA limit 10000 µg/L Main supplier: LAKE CITY WATERWORKS · 2,186 people · 2017 | 1/2 | SYR4 |
| Dibromoacetic Acid | 1.4 µg/L No EPA limit set Main supplier: LAKE CITY WATERWORKS · 2,186 people · 2019 | 1/2 | SYR4 |
| Monobromoacetic Acid | 1.1 µg/L No EPA limit set Main supplier: LAKE CITY WATERWORKS · 2,186 people · 2019 | 1/2 | SYR4 |
| Lead | 0.0060 mg/L 40% of the EPA limit 0.0150 mg/L Main supplier: LAKE CITY WATERWORKS · 2,186 people · 2004
Highest in the city: 0.0070 mg/L — BLACK OAK WATERWORKS · 245 people · 2004 | 2/2 | LCR |
Water suppliers serving Lake City
| Supplier | Population served |
|---|---|
| LAKE CITY WATERWORKS | 2,186 |
| BLACK OAK WATERWORKS | 245 |
Frequently asked questions about Lake City tap water
Is Lake City tap water safe to drink?
EPA testing detected 17 contaminants in the water serving Lake City. 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 Lake City?
2 public water suppliers report drinking-water monitoring for Lake City, Arkansas to the EPA. Each is listed above with its population served.
What contaminants are in Lake City's water?
The contaminants EPA monitoring detected in Lake City include Fluoride, Copper, Nitrate-Nitrite, TTHM, Lead. 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.