What was found in Lockport'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 | 2200 µg/L 22% of the EPA limit 10000 µg/L | 1/1 | SYR4 |
| Fluoride | 900 µg/L 23% of the EPA limit 4000 µg/L | 1/1 | SYR4 |
| Copper | 400 µg/L 31% of the EPA limit 1300 µg/L | 1/1 | SYR4 |
| Total Haloacetic Acids (HAA5) | 81.3 µg/L 136% of the EPA limit, in the worst sample — 60 µg/L | 1/1 | SYR4 |
| Barium | 64 µg/L 3.2% of the EPA limit 2000 µg/L | 1/1 | SYR4 |
| Trichloroacetic Acid | 48 µg/L No EPA limit set | 1/1 | SYR4 |
| Dichloroacetic Acid | 43.1 µg/L No EPA limit set | 1/1 | SYR4 |
| Dalapon | 34.24 µg/L 17% of the EPA limit 200 µg/L | 1/1 | SYR4 |
| Monobromoacetic Acid | 32 µg/L No EPA limit set | 1/1 | SYR4 |
| TTHM | 31.4 µg/L 39% of the EPA limit 80 µg/L | 1/1 | SYR4 |
| Chloroform | 24.9 µg/L No EPA limit set | 1/1 | SYR4 |
| Lithium | 12.5 µg/L No EPA limit set | 1/1 | UCMR-5 |
| Selenium | 10 µg/L 20% of the EPA limit 50 µg/L | 1/1 | SYR4 |
| Bromodichloromethane | 8.4 µg/L No EPA limit set | 1/1 | SYR4 |
| Monochloroacetic Acid | 6.3 µg/L No EPA limit set | 1/1 | SYR4 |
| Lead | 6 µg/L 40% of the EPA limit 15 µg/L | 1/1 | SYR4 |
| Atrazine | 5.5 µg/L 183% of the EPA limit, in the worst sample — 3 µg/L | 1/1 | SYR4 |
| Dibromoacetic Acid | 5.2 µg/L No EPA limit set | 1/1 | SYR4 |
| Gross Beta Particle Activity | 4.08 pCi/L No EPA limit set | 1/1 | SYR4 |
| Antimony, Total | 4 µg/L 67% of the EPA limit 6 µg/L | 1/1 | SYR4 |
| Dibromochloromethane | 3 µg/L No EPA limit set | 1/1 | SYR4 |
| 2,4-D | 2.1 µg/L 3% of the EPA limit 70 µg/L | 1/1 | SYR4 |
| Di(2-ethylhexyl) Phthalate | 1.2 µg/L 20% of the EPA limit 6 µg/L | 1/1 | SYR4 |
| Simazine | 1.11 µg/L 28% of the EPA limit 4 µg/L | 1/1 | SYR4 |
| Arsenic | 1 µg/L 10% of the EPA limit 10 µg/L | 1/1 | SYR4 |
| Bromoform | 0.7800 µg/L No EPA limit set | 1/1 | SYR4 |
| Carbon Tetrachloride | 0.7800 µg/L 16% of the EPA limit 5 µg/L | 1/1 | SYR4 |
| Combined Radium (-226 And -228) | 0.6440 pCi/L 13% of the EPA limit 5 pCi/L | 1/1 | SYR4 |
| Combined Uranium | 0.6400 µg/L 2.1% of the EPA limit 30 µg/L | 1/1 | SYR4 |
| Toluene | 0.5300 µg/L 0.1% of the EPA limit 1000 µg/L | 1/1 | SYR4 |
| Pfba | 0.0067 µg/L No EPA limit set | 1/1 | UCMR-5 |
| Lead | 0.0 mg/L 0% of the EPA limit 0.0150 mg/L | 1/1 | LCR |
Water suppliers serving Lockport
| Supplier | Population served |
|---|---|
| LAFOURCHE WATER DISTRICT 1 | 81,609 |
Frequently asked questions about Lockport tap water
Is Lockport tap water safe to drink?
EPA testing detected 32 contaminants in the water serving Lockport. 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 Lockport?
1 public water supplier report drinking-water monitoring for Lockport, Louisiana to the EPA. Each is listed above with its population served.
What contaminants are in Lockport's water?
The contaminants EPA monitoring detected in Lockport include Nitrate-Nitrite, Fluoride, Copper, Total Haloacetic Acids (HAA5), Barium. 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.