What was found in Berwick'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 |
|---|---|---|---|
| Copper | 3600 µg/L 277% of the EPA limit, in the worst sample — 1300 µg/L | 2/2 | SYR4 |
| Nitrate-Nitrite | 1100 µg/L 11% of the EPA limit 10000 µg/L | 1/2 | SYR4 |
| Fluoride | 130 µg/L 3.3% of the EPA limit 4000 µg/L | 1/2 | SYR4 |
| Barium | 74 µg/L 3.7% of the EPA limit 2000 µg/L | 1/2 | SYR4 |
| TTHM | 53.7 µg/L 67% of the EPA limit 80 µg/L | 2/2 | SYR4 |
| Total Haloacetic Acids (HAA5) | 48 µg/L 80% of the EPA limit 60 µg/L | 2/2 | SYR4 |
| Dalapon | 38.27 µg/L 19% of the EPA limit 200 µg/L | 1/2 | SYR4 |
| Chloroform | 38 µg/L No EPA limit set | 2/2 | SYR4 |
| Dichloroacetic Acid | 29 µg/L No EPA limit set | 2/2 | SYR4 |
| Trichloroacetic Acid | 18 µg/L No EPA limit set | 2/2 | SYR4 |
| Bromodichloromethane | 16 µg/L No EPA limit set | 2/2 | SYR4 |
| Lead | 10 µg/L 67% of the EPA limit 15 µg/L | 2/2 | SYR4 |
| Dibromochloromethane | 8.3 µg/L No EPA limit set | 2/2 | SYR4 |
| Cyanide | 5.7 µg/L 2.9% of the EPA limit 200 µg/L | 1/2 | SYR4 |
| Monobromoacetic Acid | 5.6 µg/L No EPA limit set | 2/2 | SYR4 |
| Dibromoacetic Acid | 4.1 µg/L No EPA limit set | 2/2 | SYR4 |
| Monochloroacetic Acid | 3.8 µg/L No EPA limit set | 2/2 | SYR4 |
| Gross Beta Particle Activity | 2.87 pCi/L No EPA limit set | 1/2 | SYR4 |
| 1,2,4-Trichlorobenzene | 1.6 µg/L 2.3% of the EPA limit 70 µg/L | 1/2 | SYR4 |
| Arsenic | 1.2 µg/L 12% of the EPA limit 10 µg/L | 1/2 | SYR4 |
| Bromoform | 1.2 µg/L No EPA limit set | 2/2 | SYR4 |
| Combined Radium (-226 And -228) | 1.196 pCi/L 24% of the EPA limit 5 pCi/L | 1/2 | SYR4 |
| Di(2-ethylhexyl) Phthalate | 1.02 µg/L 17% of the EPA limit 6 µg/L | 1/2 | SYR4 |
| Carbon Tetrachloride | 0.7900 µg/L 16% of the EPA limit 5 µg/L | 1/2 | SYR4 |
| Xylenes, Total | 0.6600 µg/L 0% of the EPA limit 10000 µg/L | 1/2 | SYR4 |
| Selenium | 0.6300 µg/L 1.3% of the EPA limit 50 µg/L | 1/2 | SYR4 |
| P-Dichlorobenzene | 0.3200 µg/L 0.4% of the EPA limit 75 µg/L | 1/2 | SYR4 |
| Atrazine | 0.3000 µg/L 10% of the EPA limit 3 µg/L | 1/2 | SYR4 |
| O-Dichlorobenzene | 0.2700 µg/L 0% of the EPA limit 600 µg/L | 1/2 | SYR4 |
| Endrin | 0.0090 µg/L 0.5% of the EPA limit 2 µg/L | 1/2 | SYR4 |
| Pfba | 0.0063 µg/L No EPA limit set | 1/2 | UCMR-5 |
| Lead | 0.0010 mg/L 6.7% of the EPA limit 0.0150 mg/L | 2/2 | LCR |
Water suppliers serving Berwick
| Supplier | Population served |
|---|---|
| CITY OF BERWICK | 5,024 |
| BERWICK BAYOU VISTA WW COMMISSION | 0 |
Frequently asked questions about Berwick tap water
Is Berwick tap water safe to drink?
EPA testing detected 32 contaminants in the water serving Berwick. 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 Berwick?
2 public water suppliers report drinking-water monitoring for Berwick, Louisiana to the EPA. Each is listed above with its population served.
What contaminants are in Berwick's water?
The contaminants EPA monitoring detected in Berwick include Copper, Nitrate-Nitrite, Fluoride, Barium, TTHM. 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.