What was found in Jackson'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 |
|---|---|---|---|
| Fluoride | 1998.5 µg/L 50% of the EPA limit 4000 µg/L Main supplier: BEAVERHEAD JACKSON WATER AND SEWER DIST · 58 people · 2017 | 1/1 | SYR4 |
| Barium | 238.1 µg/L 12% of the EPA limit 2000 µg/L Main supplier: BEAVERHEAD JACKSON WATER AND SEWER DIST · 58 people · 2017 | 1/1 | SYR4 |
| Copper | 216.8 µg/L 17% of the EPA limit 1300 µg/L Main supplier: BEAVERHEAD JACKSON WATER AND SEWER DIST · 58 people · 2019 | 1/1 | SYR4 |
| Nitrate-Nitrite | 80 µg/L 0.8% of the EPA limit 10000 µg/L Main supplier: BEAVERHEAD JACKSON WATER AND SEWER DIST · 58 people · 2019 | 1/1 | SYR4 |
| Arsenic | 52.8 µg/L 528% of the EPA limit, at the 95th percentile of samples — 10 µg/L Main supplier: BEAVERHEAD JACKSON WATER AND SEWER DIST · 58 people · 2019 | 1/1 | SYR4 |
| Gross Alpha, Excl. Radon And U | 15.375 pCi/L 102% of the EPA limit, at the 95th percentile of samples — 15 pCi/L Main supplier: BEAVERHEAD JACKSON WATER AND SEWER DIST · 58 people · 2019 | 1/1 | SYR4 |
| Combined Radium (-226 And -228) | 10.375 pCi/L 208% of the EPA limit, at the 95th percentile of samples — 5 pCi/L Main supplier: BEAVERHEAD JACKSON WATER AND SEWER DIST · 58 people · 2019 | 1/1 | SYR4 |
| Chromium | 6.9635 µg/L 7% of the EPA limit 100 µg/L Main supplier: BEAVERHEAD JACKSON WATER AND SEWER DIST · 58 people · 2017 | 1/1 | SYR4 |
| Antimony, Total | 5.959 µg/L 99% of the EPA limit 6 µg/L Main supplier: BEAVERHEAD JACKSON WATER AND SEWER DIST · 58 people · 2017 | 1/1 | SYR4 |
| Lead | 5.8 µg/L 39% of the EPA limit 15 µg/L Main supplier: BEAVERHEAD JACKSON WATER AND SEWER DIST · 58 people · 2019 | 1/1 | SYR4 |
| Mercury | 0.3000 µg/L 15% of the EPA limit 2 µg/L Main supplier: BEAVERHEAD JACKSON WATER AND SEWER DIST · 58 people · 2017 | 1/1 | SYR4 |
| Thallium, Total | 0.1000 µg/L 5% of the EPA limit 2 µg/L Main supplier: BEAVERHEAD JACKSON WATER AND SEWER DIST · 58 people · 2017 | 1/1 | SYR4 |
| Lead | 0.0070 mg/L 47% of the EPA limit 0.0150 mg/L Main supplier: BEAVERHEAD JACKSON WATER AND SEWER DIST · 58 people · 2024 | 1/1 | LCR |
Water suppliers serving Jackson
| Supplier | Population served |
|---|---|
| BEAVERHEAD JACKSON WATER AND SEWER DIST | 58 |
Frequently asked questions about Jackson tap water
Is Jackson tap water safe to drink?
EPA testing detected 13 contaminants in the water serving Jackson. 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 Jackson?
1 public water supplier report drinking-water monitoring for Jackson, Montana to the EPA. Each is listed above with its population served.
What contaminants are in Jackson's water?
The contaminants EPA monitoring detected in Jackson include Fluoride, Barium, Copper, Nitrate-Nitrite, Arsenic. 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.