What was found in ZIP 70057
The level at this ZIP's main supplier, the highest level anywhere in it, the EPA limit for each, and where the figure comes from.
| Contaminant | Level vs EPA limit | Suppliers | Source |
|---|---|---|---|
| Nitrate-Nitrite | 2000 µg/L 20% of the EPA limit 10000 µg/L Main supplier: ST CHARLES PARISH DEPT OF WATERWORKS · 52,879 people · 2019 | 1/1 | SYR4 |
| Fluoride | 940 µg/L 24% of the EPA limit 4000 µg/L Main supplier: ST CHARLES PARISH DEPT OF WATERWORKS · 52,879 people · 2019 | 1/1 | SYR4 |
| Copper | 340 µg/L 26% of the EPA limit 1300 µg/L Main supplier: ST CHARLES PARISH DEPT OF WATERWORKS · 52,879 people · 2019 | 1/1 | SYR4 |
| TTHM | 80.84 µg/L 101% of the EPA limit, at the 95th percentile of samples — 80 µg/L Main supplier: ST CHARLES PARISH DEPT OF WATERWORKS · 52,879 people · 2019 | 1/1 | SYR4 |
| Total Haloacetic Acids (HAA5) | 65.36 µg/L 109% of the EPA limit, at the 95th percentile of samples — 60 µg/L Main supplier: ST CHARLES PARISH DEPT OF WATERWORKS · 52,879 people · 2019 | 1/1 | SYR4 |
| Chloroform | 64.58 µg/L No EPA limit set Main supplier: ST CHARLES PARISH DEPT OF WATERWORKS · 52,879 people · 2019 | 1/1 | SYR4 |
| Barium | 57.75 µg/L 2.9% of the EPA limit 2000 µg/L Main supplier: ST CHARLES PARISH DEPT OF WATERWORKS · 52,879 people · 2019 | 1/1 | SYR4 |
| Dalapon | 33.9575 µg/L 17% of the EPA limit 200 µg/L Main supplier: ST CHARLES PARISH DEPT OF WATERWORKS · 52,879 people · 2019 | 1/1 | SYR4 |
| Dichloroacetic Acid | 32.54 µg/L No EPA limit set Main supplier: ST CHARLES PARISH DEPT OF WATERWORKS · 52,879 people · 2019 | 1/1 | SYR4 |
| Trichloroacetic Acid | 28.6 µg/L No EPA limit set Main supplier: ST CHARLES PARISH DEPT OF WATERWORKS · 52,879 people · 2019 | 1/1 | SYR4 |
| Bromodichloromethane | 21 µg/L No EPA limit set Main supplier: ST CHARLES PARISH DEPT OF WATERWORKS · 52,879 people · 2019 | 1/1 | SYR4 |
| Lithium | 15 µg/L No EPA limit set Main supplier: ST CHARLES PARISH DEPT OF WATERWORKS · 52,879 people · 2023 | 1/1 | UCMR-5 |
| Monobromoacetic Acid | 11 µg/L No EPA limit set Main supplier: ST CHARLES PARISH DEPT OF WATERWORKS · 52,879 people · 2019 | 1/1 | SYR4 |
| Dibromochloromethane | 9.2 µg/L No EPA limit set Main supplier: ST CHARLES PARISH DEPT OF WATERWORKS · 52,879 people · 2019 | 1/1 | SYR4 |
| Monochloroacetic Acid | 5.41 µg/L No EPA limit set Main supplier: ST CHARLES PARISH DEPT OF WATERWORKS · 52,879 people · 2019 | 1/1 | SYR4 |
| Lead | 4 µg/L 27% of the EPA limit 15 µg/L Main supplier: ST CHARLES PARISH DEPT OF WATERWORKS · 52,879 people · 2019 | 1/1 | SYR4 |
| Dibromoacetic Acid | 3.9 µg/L No EPA limit set Main supplier: ST CHARLES PARISH DEPT OF WATERWORKS · 52,879 people · 2019 | 1/1 | SYR4 |
| Gross Beta Particle Activity | 2.909 pCi/L No EPA limit set Main supplier: ST CHARLES PARISH DEPT OF WATERWORKS · 52,879 people · 2019 | 1/1 | SYR4 |
| Combined Uranium | 1.439 µg/L 4.8% of the EPA limit 30 µg/L Main supplier: ST CHARLES PARISH DEPT OF WATERWORKS · 52,879 people · 2017 | 1/1 | SYR4 |
| Arsenic | 1.24 µg/L 12% of the EPA limit 10 µg/L Main supplier: ST CHARLES PARISH DEPT OF WATERWORKS · 52,879 people · 2019 | 1/1 | SYR4 |
| Di(2-ethylhexyl) Phthalate | 1.111 µg/L 19% of the EPA limit 6 µg/L Main supplier: ST CHARLES PARISH DEPT OF WATERWORKS · 52,879 people · 2019 | 1/1 | SYR4 |
| Bromoform | 0.9440 µg/L No EPA limit set Main supplier: ST CHARLES PARISH DEPT OF WATERWORKS · 52,879 people · 2019 | 1/1 | SYR4 |
| Combined Radium (-226 And -228) | 0.7270 pCi/L 15% of the EPA limit 5 pCi/L Main supplier: ST CHARLES PARISH DEPT OF WATERWORKS · 52,879 people · 2019 | 1/1 | SYR4 |
| Simazine | 0.6600 µg/L 17% of the EPA limit 4 µg/L Main supplier: ST CHARLES PARISH DEPT OF WATERWORKS · 52,879 people · 2019 | 1/1 | SYR4 |
| Selenium | 0.5500 µg/L 1.1% of the EPA limit 50 µg/L Main supplier: ST CHARLES PARISH DEPT OF WATERWORKS · 52,879 people · 2019 | 1/1 | SYR4 |
| Carbon Tetrachloride | 0.5100 µg/L 10% of the EPA limit 5 µg/L Main supplier: ST CHARLES PARISH DEPT OF WATERWORKS · 52,879 people · 2019 | 1/1 | SYR4 |
| Pfba | 0.0136 µg/L No EPA limit set Main supplier: ST CHARLES PARISH DEPT OF WATERWORKS · 52,879 people · 2023 | 1/1 | UCMR-5 |
| Lead | 0.0020 mg/L 13% of the EPA limit 0.0150 mg/L Main supplier: ST CHARLES PARISH DEPT OF WATERWORKS · 52,879 people · 2023 | 1/1 | LCR |
Each bar shows the measured level as a share of the EPA limit: green is
well under, amber is close to it, red is over. For lead and copper the
limit applies to exactly the 90th-percentile figure shown, so red there
means a real exceedance. For everything else the limit applies to a
running annual average while the figure is the 95th percentile of the
system's samples — over 100% is worth reading, but is not by itself a
violation.
Formal violations are listed separately.
Water suppliers serving ZIP 70057
| Supplier | State | Population served |
|---|---|---|
| ST CHARLES PARISH DEPT OF WATERWORKS | LA | 52,879 |
Frequently asked questions about ZIP 70057 tap water
Is the tap water in ZIP 70057 safe to drink?
EPA testing detected 28 contaminants across the water suppliers serving ZIP 70057. A detection isn't the same as a violation — most levels are within federal limits. See each level and source above, and your utility's annual Consumer Confidence Report for the official status.
Which water suppliers serve ZIP 70057?
1 public water supplier report EPA drinking-water monitoring for ZIP 70057. Each is listed above with its population served.
What contaminants are in ZIP 70057's water?
EPA monitoring detected Nitrate-Nitrite, Fluoride, Copper, TTHM, Total Haloacetic Acids (HAA5), and others across this ZIP's suppliers. The full list with levels and sources is above.