What was found in Westwego's water
The level at the city's main supplier, the highest level anywhere in the city, the EPA limit for each, and where every figure comes from.
| Contaminant | Level vs EPA limit | Suppliers | Source |
|---|---|---|---|
| Copper | 450 µg/L 35% of the EPA limit 1300 µg/L Main supplier: WESTWEGO WATERWORKS · 8,534 people · 2017 | 1/1 | SYR4 |
| Total Haloacetic Acids (HAA5) | 105.025 µg/L 175% of the EPA limit, at the 95th percentile of samples — 60 µg/L Main supplier: WESTWEGO WATERWORKS · 8,534 people · 2019 | 1/1 | SYR4 |
| TTHM | 102.015 µg/L 128% of the EPA limit, at the 95th percentile of samples — 80 µg/L Main supplier: WESTWEGO WATERWORKS · 8,534 people · 2019 | 1/1 | SYR4 |
| Chloroform | 78.1 µg/L No EPA limit set Main supplier: WESTWEGO WATERWORKS · 8,534 people · 2019 | 1/1 | SYR4 |
| Trichloroacetic Acid | 56.2 µg/L No EPA limit set Main supplier: WESTWEGO WATERWORKS · 8,534 people · 2019 | 1/1 | SYR4 |
| Lithium | 47.8 µg/L No EPA limit set Main supplier: WESTWEGO WATERWORKS · 8,534 people · 2025 | 1/1 | UCMR-5 |
| Dichloroacetic Acid | 42.05 µg/L No EPA limit set Main supplier: WESTWEGO WATERWORKS · 8,534 people · 2019 | 1/1 | SYR4 |
| Bromodichloromethane | 22 µg/L No EPA limit set Main supplier: WESTWEGO WATERWORKS · 8,534 people · 2019 | 1/1 | SYR4 |
| Dibromochloromethane | 7.625 µg/L No EPA limit set Main supplier: WESTWEGO WATERWORKS · 8,534 people · 2019 | 1/1 | SYR4 |
| Lead | 7.2 µg/L 48% of the EPA limit 15 µg/L Main supplier: WESTWEGO WATERWORKS · 8,534 people · 2017 | 1/1 | SYR4 |
| Monochloroacetic Acid | 3.63 µg/L No EPA limit set Main supplier: WESTWEGO WATERWORKS · 8,534 people · 2019 | 1/1 | SYR4 |
| Monobromoacetic Acid | 2.75 µg/L No EPA limit set Main supplier: WESTWEGO WATERWORKS · 8,534 people · 2019 | 1/1 | SYR4 |
| Dibromoacetic Acid | 2.5 µg/L No EPA limit set Main supplier: WESTWEGO WATERWORKS · 8,534 people · 2019 | 1/1 | SYR4 |
| Bromoform | 1.19 µg/L No EPA limit set Main supplier: WESTWEGO WATERWORKS · 8,534 people · 2019 | 1/1 | SYR4 |
| Lead | 0.0010 mg/L 6.7% of the EPA limit 0.0150 mg/L Main supplier: WESTWEGO WATERWORKS · 8,534 people · 2023 | 1/1 | LCR |
Water suppliers serving Westwego
| Supplier | Population served |
|---|---|
| WESTWEGO WATERWORKS | 8,534 |
Frequently asked questions about Westwego tap water
Is Westwego tap water safe to drink?
EPA testing detected 15 contaminants in the water serving Westwego. 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 Westwego?
1 public water supplier report drinking-water monitoring for Westwego, Louisiana to the EPA. Each is listed above with its population served.
What contaminants are in Westwego's water?
The contaminants EPA monitoring detected in Westwego include Copper, Total Haloacetic Acids (HAA5), TTHM, Chloroform, Trichloroacetic Acid. The full list, with the level at the main supplier 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.