Lafourche Water District 1
Lafourche Parish County, LA
LA1057001
Contaminants Exceeding Limits
The following contaminants have exceeded the guideline limits at least once in the past ten years.
- CH
Chlorate
Chlorate forms when chlorine-based disinfectants react with water. It's a byproduct of water treatment that can interfere with thyroid function, especially in infants and pregnant women.
Other Contaminants Detected
The following contaminants have been detected, but not exceeded the guideline limits in the past ten years.
1,4-Dioxane
8 detections
| Avg Result: | 0.112 ppb |
|---|---|
| Limit: | 0.350 ppb |
2,4-D
5 detections
| Avg Result: | 0.143 ppb |
|---|---|
| Limit: | 70.000 ppb |
Arsenic
5 detections
| Avg Result: | 0.289 ppb |
|---|---|
| Limit: | 10.000 ppb |
Atrazine
10 detections
| Avg Result: | 0.301 ppb |
|---|---|
| Limit: | 3.000 ppb |
Barium
10 detections
| Avg Result: | 0.046 ppm |
|---|---|
| Limit: | 2.000 ppm |
Bromodichloromethane
191 detections
| Avg Result: | 3.617 ppb |
|---|---|
| Limit: | 80.000 ppb |
Contaminants tested
Contaminants that have been tested but not detected
Summary
- People Served
- 81.6K
- Surface Water
- Lafourche Parish County
- Data from 2014-2024
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