What was found in Grant'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 |
|---|---|---|---|
| Nitrate-Nitrite | 476.8 µg/L 4.8% of the EPA limit 10000 µg/L Main supplier: NORTHWEST ALLEN PARISH WW DISTRICT · 1,767 people · 2019 | 1/1 | SYR4 |
| Copper | 475 µg/L 37% of the EPA limit 1300 µg/L Main supplier: NORTHWEST ALLEN PARISH WW DISTRICT · 1,767 people · 2018 | 1/1 | SYR4 |
| Barium | 182 µg/L 9.1% of the EPA limit 2000 µg/L Main supplier: NORTHWEST ALLEN PARISH WW DISTRICT · 1,767 people · 2018 | 1/1 | SYR4 |
| Fluoride | 161 µg/L 4% of the EPA limit 4000 µg/L Main supplier: NORTHWEST ALLEN PARISH WW DISTRICT · 1,767 people · 2018 | 1/1 | SYR4 |
| TTHM | 17.192 µg/L 21% of the EPA limit 80 µg/L Main supplier: NORTHWEST ALLEN PARISH WW DISTRICT · 1,767 people · 2019 | 1/1 | SYR4 |
| Total Haloacetic Acids (HAA5) | 8.01 µg/L 13% of the EPA limit 60 µg/L Main supplier: NORTHWEST ALLEN PARISH WW DISTRICT · 1,767 people · 2019 | 1/1 | SYR4 |
| Chloroform | 6.255 µg/L No EPA limit set Main supplier: NORTHWEST ALLEN PARISH WW DISTRICT · 1,767 people · 2019 | 1/1 | SYR4 |
| Bromodichloromethane | 5.6055 µg/L No EPA limit set Main supplier: NORTHWEST ALLEN PARISH WW DISTRICT · 1,767 people · 2019 | 1/1 | SYR4 |
| Dibromochloromethane | 5.54 µg/L No EPA limit set Main supplier: NORTHWEST ALLEN PARISH WW DISTRICT · 1,767 people · 2019 | 1/1 | SYR4 |
| Gross Beta Particle Activity | 5.2725 pCi/L No EPA limit set Main supplier: NORTHWEST ALLEN PARISH WW DISTRICT · 1,767 people · 2019 | 1/1 | SYR4 |
| Dichloroacetic Acid | 4.54 µg/L No EPA limit set Main supplier: NORTHWEST ALLEN PARISH WW DISTRICT · 1,767 people · 2019 | 1/1 | SYR4 |
| Combined Radium (-226 And -228) | 3.624 pCi/L 72% of the EPA limit 5 pCi/L Main supplier: NORTHWEST ALLEN PARISH WW DISTRICT · 1,767 people · 2019 | 1/1 | SYR4 |
| Monochloroacetic Acid | 3.36 µg/L No EPA limit set Main supplier: NORTHWEST ALLEN PARISH WW DISTRICT · 1,767 people · 2019 | 1/1 | SYR4 |
| Bromoform | 2.8485 µg/L No EPA limit set Main supplier: NORTHWEST ALLEN PARISH WW DISTRICT · 1,767 people · 2019 | 1/1 | SYR4 |
| Lead | 2.65 µg/L 18% of the EPA limit 15 µg/L Main supplier: NORTHWEST ALLEN PARISH WW DISTRICT · 1,767 people · 2018 | 1/1 | SYR4 |
| Dibromoacetic Acid | 1.755 µg/L No EPA limit set Main supplier: NORTHWEST ALLEN PARISH WW DISTRICT · 1,767 people · 2019 | 1/1 | SYR4 |
| Di(2-ethylhexyl) Phthalate | 1.4545 µg/L 24% of the EPA limit 6 µg/L Main supplier: NORTHWEST ALLEN PARISH WW DISTRICT · 1,767 people · 2018 | 1/1 | SYR4 |
| Trichloroacetic Acid | 1.425 µg/L No EPA limit set Main supplier: NORTHWEST ALLEN PARISH WW DISTRICT · 1,767 people · 2019 | 1/1 | SYR4 |
| Arsenic | 1.1 µg/L 11% of the EPA limit 10 µg/L Main supplier: NORTHWEST ALLEN PARISH WW DISTRICT · 1,767 people · 2018 | 1/1 | SYR4 |
| Lead | 0.0040 mg/L 27% of the EPA limit 0.0150 mg/L Main supplier: NORTHWEST ALLEN PARISH WW DISTRICT · 1,767 people · 2024 | 1/1 | LCR |
Water suppliers serving Grant
| Supplier | Population served |
|---|---|
| NORTHWEST ALLEN PARISH WW DISTRICT | 1,767 |
Frequently asked questions about Grant tap water
Is Grant tap water safe to drink?
EPA testing detected 20 contaminants in the water serving Grant. 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 Grant?
1 public water supplier report drinking-water monitoring for Grant, Louisiana to the EPA. Each is listed above with its population served.
What contaminants are in Grant's water?
The contaminants EPA monitoring detected in Grant include Nitrate-Nitrite, Copper, Barium, Fluoride, TTHM. 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.