What was found in Napoleonville's water
The highest level seen across the city's suppliers, the EPA limit for each, and where the figure comes from.
| Contaminant | Level vs EPA limit | Suppliers | Source |
|---|---|---|---|
| Nitrate-Nitrite | 2100 µg/L 21% of the EPA limit 10000 µg/L | 1/1 | SYR4 |
| Fluoride | 1000 µg/L 25% of the EPA limit 4000 µg/L | 1/1 | SYR4 |
| Copper | 900 µg/L 69% of the EPA limit 1300 µg/L | 1/1 | SYR4 |
| TTHM | 135.1 µg/L 169% of the EPA limit, in the worst sample — 80 µg/L | 1/1 | SYR4 |
| Chloroform | 99.3 µg/L No EPA limit set | 1/1 | SYR4 |
| Total Haloacetic Acids (HAA5) | 85.9 µg/L 143% of the EPA limit, in the worst sample — 60 µg/L | 1/1 | SYR4 |
| Barium | 58 µg/L 2.9% of the EPA limit 2000 µg/L | 1/1 | SYR4 |
| Trichloroacetic Acid | 56.9 µg/L No EPA limit set | 1/1 | SYR4 |
| Dichloroacetic Acid | 48 µg/L No EPA limit set | 1/1 | SYR4 |
| Dalapon | 47.9 µg/L 24% of the EPA limit 200 µg/L | 1/1 | SYR4 |
| Bromodichloromethane | 34.3 µg/L No EPA limit set | 1/1 | SYR4 |
| Lithium | 15.7 µg/L No EPA limit set | 1/1 | UCMR-5 |
| Monochloroacetic Acid | 12.1 µg/L No EPA limit set | 1/1 | SYR4 |
| Dibromochloromethane | 8.97 µg/L No EPA limit set | 1/1 | SYR4 |
| Monobromoacetic Acid | 8.2 µg/L No EPA limit set | 1/1 | SYR4 |
| Arsenic | 4 µg/L 40% of the EPA limit 10 µg/L | 1/1 | SYR4 |
| Gross Beta Particle Activity | 4 pCi/L No EPA limit set | 1/1 | SYR4 |
| Lead | 3 µg/L 20% of the EPA limit 15 µg/L | 1/1 | SYR4 |
| Dibromoacetic Acid | 2.3 µg/L No EPA limit set | 1/1 | SYR4 |
| Combined Uranium | 1.49 µg/L 5% of the EPA limit 30 µg/L | 1/1 | SYR4 |
| Di(2-ethylhexyl) Phthalate | 1.27 µg/L 21% of the EPA limit 6 µg/L | 1/1 | SYR4 |
| Carbon Tetrachloride | 1.07 µg/L 21% of the EPA limit 5 µg/L | 1/1 | SYR4 |
| Combined Radium (-226 And -228) | 0.9390 pCi/L 19% of the EPA limit 5 pCi/L | 1/1 | SYR4 |
| Simazine | 0.7700 µg/L 19% of the EPA limit 4 µg/L | 1/1 | SYR4 |
| Bromoform | 0.6500 µg/L No EPA limit set | 1/1 | SYR4 |
| Selenium | 0.5800 µg/L 1.2% of the EPA limit 50 µg/L | 1/1 | SYR4 |
| Atrazine | 0.3500 µg/L 12% of the EPA limit 3 µg/L | 1/1 | SYR4 |
| Hexachlorocyclopentadiene | 0.0580 µg/L 0.1% of the EPA limit 50 µg/L | 1/1 | SYR4 |
| 6:2 Fts | 0.0150 µg/L No EPA limit set | 1/1 | UCMR-5 |
| Pfba | 0.0061 µg/L No EPA limit set | 1/1 | UCMR-5 |
| Lead | 0.0020 mg/L 13% of the EPA limit 0.0150 mg/L | 1/1 | LCR |
Water suppliers serving Napoleonville
| Supplier | Population served |
|---|---|
| ASSUMPTION PARISH WW DISTRICT 1 | 21,366 |
Frequently asked questions about Napoleonville tap water
Is Napoleonville tap water safe to drink?
EPA testing detected 31 contaminants in the water serving Napoleonville. 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 Napoleonville?
1 public water supplier report drinking-water monitoring for Napoleonville, Louisiana to the EPA. Each is listed above with its population served.
What contaminants are in Napoleonville's water?
The contaminants EPA monitoring detected in Napoleonville include Nitrate-Nitrite, Fluoride, Copper, TTHM, Chloroform. The full list, with the highest level found 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.