What was found in Fort Hall'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 | 1470 µg/L 15% of the EPA limit 10000 µg/L Main supplier: FORT HALL · 2,850 people · 2019 | 1/1 | SYR4 |
| Nitrate-Nitrite | 1330 µg/L 13% of the EPA limit 10000 µg/L Main supplier: FORT HALL · 2,850 people · 2018 | 1/1 | SYR4 |
| Fluoride | 500 µg/L 13% of the EPA limit 4000 µg/L Main supplier: FORT HALL · 2,850 people · 2018 | 1/1 | SYR4 |
| Copper | 304.75 µg/L 23% of the EPA limit 1300 µg/L Main supplier: FORT HALL · 2,850 people · 2019 | 1/1 | SYR4 |
| Barium | 79.5 µg/L 4% of the EPA limit 2000 µg/L Main supplier: FORT HALL · 2,850 people · 2018 | 1/1 | SYR4 |
| Lithium | 33 µg/L No EPA limit set Main supplier: FORT HALL · 2,850 people · 2025 | 1/1 | UCMR-5 |
| Lead | 21.6 µg/L 144% of the EPA limit, at the 95th percentile of samples — 15 µg/L Main supplier: FORT HALL · 2,850 people · 2019 | 1/1 | SYR4 |
| TTHM | 11.775 µg/L 15% of the EPA limit 80 µg/L Main supplier: FORT HALL · 2,850 people · 2019 | 1/1 | SYR4 |
| Di(2-ethylhexyl) Phthalate | 11.4389 µg/L 191% of the EPA limit, at the 95th percentile of samples — 6 µg/L Main supplier: FORT HALL · 2,850 people · 2017 | 1/1 | SYR4 |
| Arsenic | 7.65 µg/L 77% of the EPA limit 10 µg/L Main supplier: FORT HALL · 2,850 people · 2018 | 1/1 | SYR4 |
| Bromoform | 6.7125 µg/L No EPA limit set Main supplier: FORT HALL · 2,850 people · 2019 | 1/1 | SYR4 |
| Gross Beta Particle Activity | 5.9415 pCi/L No EPA limit set Main supplier: FORT HALL · 2,850 people · 2013 | 1/1 | SYR4 |
| Dibromochloromethane | 4.13 µg/L No EPA limit set Main supplier: FORT HALL · 2,850 people · 2019 | 1/1 | SYR4 |
| Combined Radium (-226 And -228) | 4.03095 pCi/L 81% of the EPA limit 5 pCi/L Main supplier: FORT HALL · 2,850 people · 2018 | 1/1 | SYR4 |
| Dibromoacetic Acid | 1.716 µg/L No EPA limit set Main supplier: FORT HALL · 2,850 people · 2019 | 1/1 | SYR4 |
| Total Haloacetic Acids (HAA5) | 1.716 µg/L 2.9% of the EPA limit 60 µg/L Main supplier: FORT HALL · 2,850 people · 2019 | 1/1 | SYR4 |
| Bromodichloromethane | 1.024 µg/L No EPA limit set Main supplier: FORT HALL · 2,850 people · 2019 | 1/1 | SYR4 |
| Chromium | 1 µg/L 1% of the EPA limit 100 µg/L Main supplier: FORT HALL · 2,850 people · 2018 | 1/1 | SYR4 |
| Selenium | 1 µg/L 2% of the EPA limit 50 µg/L Main supplier: FORT HALL · 2,850 people · 2018 | 1/1 | SYR4 |
| Toluene | 0.5800 µg/L 0.1% of the EPA limit 1000 µg/L Main supplier: FORT HALL · 2,850 people · 2018 | 1/1 | SYR4 |
| Lead | 0.0 mg/L 0% of the EPA limit 0.0150 mg/L Main supplier: FORT HALL · 2,850 people · 2024 | 1/1 | LCR |
Water suppliers serving Fort Hall
| Supplier | Population served |
|---|---|
| FORT HALL | 2,850 |
Frequently asked questions about Fort Hall tap water
Is Fort Hall tap water safe to drink?
EPA testing detected 21 contaminants in the water serving Fort Hall. 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 Fort Hall?
1 public water supplier report drinking-water monitoring for Fort Hall, Idaho to the EPA. Each is listed above with its population served.
What contaminants are in Fort Hall's water?
The contaminants EPA monitoring detected in Fort Hall include Nitrate, Nitrate-Nitrite, Fluoride, Copper, Barium. 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.