What was found in ZIP 59860
The level at this ZIP's main supplier, the highest level anywhere in it, the EPA limit for each, and where the figure comes from.
| Contaminant | Level vs EPA limit | Suppliers | Source |
|---|---|---|---|
| Nitrate | 4460 µg/L 45% of the EPA limit 10000 µg/L Main supplier: POLSON CITY OF · 5,300 people · 2019 | 1/1 | SYR4 |
| Nitrate-Nitrite | 4435.5 µg/L 44% of the EPA limit 10000 µg/L Main supplier: POLSON CITY OF · 5,300 people · 2019 | 1/1 | SYR4 |
| Fluoride | 334 µg/L 8.4% of the EPA limit 4000 µg/L Main supplier: POLSON CITY OF · 5,300 people · 2019 | 1/1 | SYR4 |
| Barium | 234 µg/L 12% of the EPA limit 2000 µg/L Main supplier: POLSON CITY OF · 5,300 people · 2019 | 1/1 | SYR4 |
| Copper | 154 µg/L 12% of the EPA limit 1300 µg/L Main supplier: POLSON CITY OF · 5,300 people · 2017 | 1/1 | SYR4 |
| Lead | 11.2 µg/L 75% of the EPA limit 15 µg/L Main supplier: POLSON CITY OF · 5,300 people · 2017 | 1/1 | SYR4 |
| Chromium | 11 µg/L 11% of the EPA limit 100 µg/L Main supplier: POLSON CITY OF · 5,300 people · 2019 | 1/1 | SYR4 |
| Gross Alpha, Excl. Radon And U | 6.865 pCi/L 46% of the EPA limit 15 pCi/L Main supplier: POLSON CITY OF · 5,300 people · 2016 | 1/1 | SYR4 |
| TTHM | 5.35 µg/L 6.7% of the EPA limit 80 µg/L Main supplier: POLSON CITY OF · 5,300 people · 2019 | 1/1 | SYR4 |
| Combined Uranium | 3 µg/L 10% of the EPA limit 30 µg/L Main supplier: POLSON CITY OF · 5,300 people · 2016 | 1/1 | SYR4 |
| Combined Radium (-226 And -228) | 2.705 pCi/L 54% of the EPA limit 5 pCi/L Main supplier: POLSON CITY OF · 5,300 people · 2019 | 1/1 | SYR4 |
| Chloroform | 2.11 µg/L No EPA limit set Main supplier: POLSON CITY OF · 5,300 people · 2019 | 1/1 | SYR4 |
| Bromodichloromethane | 2.1 µg/L No EPA limit set Main supplier: POLSON CITY OF · 5,300 people · 2019 | 1/1 | SYR4 |
| Xylenes, Total | 1.95 µg/L 0% of the EPA limit 10000 µg/L Main supplier: POLSON CITY OF · 5,300 people · 2019 | 1/1 | SYR4 |
| Dibromochloromethane | 1.73 µg/L No EPA limit set Main supplier: POLSON CITY OF · 5,300 people · 2019 | 1/1 | SYR4 |
| Arsenic | 1 µg/L 10% of the EPA limit 10 µg/L Main supplier: POLSON CITY OF · 5,300 people · 2019 | 1/1 | SYR4 |
| Bromoform | 0.9520 µg/L No EPA limit set Main supplier: POLSON CITY OF · 5,300 people · 2019 | 1/1 | SYR4 |
| Total Haloacetic Acids (HAA5) | 0.7090 µg/L 1.2% of the EPA limit 60 µg/L Main supplier: POLSON CITY OF · 5,300 people · 2019 | 1/1 | SYR4 |
| Dibromoacetic Acid | 0.5560 µg/L No EPA limit set Main supplier: POLSON CITY OF · 5,300 people · 2019 | 1/1 | SYR4 |
| Monobromoacetic Acid | 0.5000 µg/L No EPA limit set Main supplier: POLSON CITY OF · 5,300 people · 2019 | 1/1 | SYR4 |
| Lead | 0.0020 mg/L 13% of the EPA limit 0.0150 mg/L Main supplier: POLSON CITY OF · 5,300 people · 2023 | 1/1 | LCR |
Each bar shows the measured level as a share of the EPA limit: green is
well under, amber is close to it, red is over. For lead and copper the
limit applies to exactly the 90th-percentile figure shown, so red there
means a real exceedance. For everything else the limit applies to a
running annual average while the figure is the 95th percentile of the
system's samples — over 100% is worth reading, but is not by itself a
violation.
Formal violations are listed separately.
Water suppliers serving ZIP 59860
| Supplier | State | Population served |
|---|---|---|
| POLSON CITY OF | MT | 5,300 |
Frequently asked questions about ZIP 59860 tap water
Is the tap water in ZIP 59860 safe to drink?
EPA testing detected 21 contaminants across the water suppliers serving ZIP 59860. A detection isn't the same as a violation — most levels are within federal limits. See each level and source above, and your utility's annual Consumer Confidence Report for the official status.
Which water suppliers serve ZIP 59860?
1 public water supplier report EPA drinking-water monitoring for ZIP 59860. Each is listed above with its population served.
What contaminants are in ZIP 59860's water?
EPA monitoring detected Nitrate, Nitrate-Nitrite, Fluoride, Barium, Copper, and others across this ZIP's suppliers. The full list with levels and sources is above.