What was found in West Glacier'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 | 528.5 µg/L 41% of the EPA limit 1300 µg/L Main supplier: ST MARY HEADQUARTERS AND CG · 1,030 people · 2019 | 3/3 | SYR4 |
| Nitrate-Nitrite | 151 µg/L 1.5% of the EPA limit 10000 µg/L Main supplier: ST MARY HEADQUARTERS AND CG · 1,030 people · 2019
Highest in the city: 170 µg/L — HEADQUARTERS APGAR · 500 people · 2019 | 2/3 | SYR4 |
| Barium | 160 µg/L 8% of the EPA limit 2000 µg/L Main supplier: ST MARY HEADQUARTERS AND CG · 1,030 people · 2018 | 1/3 | SYR4 |
| Nitrate | 160 µg/L 1.6% of the EPA limit 10000 µg/L Main supplier: ST MARY HEADQUARTERS AND CG · 1,030 people · 2018 | 1/3 | SYR4 |
| Fluoride | 30 µg/L 0.8% of the EPA limit 4000 µg/L Main supplier: ST MARY HEADQUARTERS AND CG · 1,030 people · 2018 | 1/3 | SYR4 |
| Lead | 11 µg/L 73% of the EPA limit 15 µg/L Main supplier: ST MARY HEADQUARTERS AND CG · 1,030 people · 2019 | 3/3 | SYR4 |
| TTHM | 6.615 µg/L 8.3% of the EPA limit 80 µg/L Main supplier: ST MARY HEADQUARTERS AND CG · 1,030 people · 2019 | 2/3 | SYR4 |
| Chloroform | 5.515 µg/L No EPA limit set Main supplier: ST MARY HEADQUARTERS AND CG · 1,030 people · 2019 | 1/3 | SYR4 |
| Total Haloacetic Acids (HAA5) | 4.07 µg/L 6.8% of the EPA limit 60 µg/L Main supplier: ST MARY HEADQUARTERS AND CG · 1,030 people · 2019 | 1/3 | SYR4 |
| Gross Alpha, Excl. Radon And U | 3.22 pCi/L 21% of the EPA limit 15 pCi/L Main supplier: ST MARY HEADQUARTERS AND CG · 1,030 people · 2019 | 1/3 | SYR4 |
| Dichloroacetic Acid | 2.25 µg/L No EPA limit set Main supplier: ST MARY HEADQUARTERS AND CG · 1,030 people · 2019 | 1/3 | SYR4 |
| Trichloroacetic Acid | 1.8065 µg/L No EPA limit set Main supplier: ST MARY HEADQUARTERS AND CG · 1,030 people · 2019 | 1/3 | SYR4 |
| Bromodichloromethane | 1.0685 µg/L No EPA limit set Main supplier: ST MARY HEADQUARTERS AND CG · 1,030 people · 2019 | 1/3 | SYR4 |
| Combined Uranium | 0.3000 µg/L 1% of the EPA limit 30 µg/L Main supplier: ST MARY HEADQUARTERS AND CG · 1,030 people · 2019 | 1/3 | SYR4 |
| Lead | 0.0100 mg/L 67% of the EPA limit 0.0150 mg/L Main supplier: ST MARY HEADQUARTERS AND CG · 1,030 people · 2024 | 3/3 | LCR |
Water suppliers serving West Glacier
| Supplier | Population served |
|---|---|
| ST MARY HEADQUARTERS AND CG | 1,030 |
| HEADQUARTERS APGAR | 500 |
| WEST GLACIER WUA | 90 |
Frequently asked questions about West Glacier tap water
Is West Glacier tap water safe to drink?
EPA testing detected 15 contaminants in the water serving West Glacier. 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 West Glacier?
3 public water suppliers report drinking-water monitoring for West Glacier, Montana to the EPA. Each is listed above with its population served.
What contaminants are in West Glacier's water?
The contaminants EPA monitoring detected in West Glacier include Copper, Nitrate-Nitrite, Barium, Nitrate, Fluoride. 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.