What was found in ZIP 58845
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 | 2150 µg/L 22% of the EPA limit 10000 µg/L Highest in the ZIP: GRENORA CITY OF · 244 people · 2015 | 1/2 | SYR4 |
| Nitrate-Nitrite | 1670.4 µg/L 17% of the EPA limit 10000 µg/L Highest in the ZIP: GRENORA CITY OF · 244 people · 2019 | 1/2 | SYR4 |
| Copper | 76.48 µg/L 5.9% of the EPA limit 1300 µg/L Main supplier: NORTHWEST RURAL WATER DISTRICT · 5,102 people · 2017
Highest in the ZIP: 582.5 µg/L — GRENORA CITY OF · 244 people · 2019 | 2/2 | SYR4 |
| Barium | 169 µg/L 8.5% of the EPA limit 2000 µg/L Highest in the ZIP: GRENORA CITY OF · 244 people · 2016 | 1/2 | SYR4 |
| Fluoride | 83 µg/L 2.1% of the EPA limit 4000 µg/L Highest in the ZIP: GRENORA CITY OF · 244 people · 2016 | 1/2 | SYR4 |
| Lithium | 62.1 µg/L No EPA limit set Main supplier: NORTHWEST RURAL WATER DISTRICT · 5,102 people · 2023 | 2/2 | UCMR-5 |
| TTHM | 30.1635 µg/L 38% of the EPA limit 80 µg/L Main supplier: NORTHWEST RURAL WATER DISTRICT · 5,102 people · 2019 | 2/2 | SYR4 |
| Chloroform | 22.065 µg/L No EPA limit set Main supplier: NORTHWEST RURAL WATER DISTRICT · 5,102 people · 2019 | 2/2 | SYR4 |
| Total Haloacetic Acids (HAA5) | 17.668 µg/L 29% of the EPA limit 60 µg/L Main supplier: NORTHWEST RURAL WATER DISTRICT · 5,102 people · 2019 | 2/2 | SYR4 |
| Dichloroacetic Acid | 14.42 µg/L No EPA limit set Main supplier: NORTHWEST RURAL WATER DISTRICT · 5,102 people · 2019 | 2/2 | SYR4 |
| Bromodichloromethane | 6.474 µg/L No EPA limit set Main supplier: NORTHWEST RURAL WATER DISTRICT · 5,102 people · 2019 | 1/2 | SYR4 |
| Lead | 4.6725 µg/L 31% of the EPA limit 15 µg/L Main supplier: NORTHWEST RURAL WATER DISTRICT · 5,102 people · 2017 | 2/2 | SYR4 |
| Monochloroacetic Acid | 3.944 µg/L No EPA limit set Main supplier: NORTHWEST RURAL WATER DISTRICT · 5,102 people · 2019 | 1/2 | SYR4 |
| Trichloroacetic Acid | 3.4805 µg/L No EPA limit set Main supplier: NORTHWEST RURAL WATER DISTRICT · 5,102 people · 2019 | 1/2 | SYR4 |
| Dibromochloromethane | 2.3355 µg/L No EPA limit set Main supplier: NORTHWEST RURAL WATER DISTRICT · 5,102 people · 2019 | 1/2 | SYR4 |
| Gross Alpha, Excl. Radon And U | 2.32 pCi/L 15% of the EPA limit 15 pCi/L Highest in the ZIP: GRENORA CITY OF · 244 people · 2017 | 1/2 | SYR4 |
| Combined Uranium | 2.2025 µg/L 7.3% of the EPA limit 30 µg/L Highest in the ZIP: GRENORA CITY OF · 244 people · 2017 | 1/2 | SYR4 |
| Combined Radium (-226 And -228) | 1.193 pCi/L 24% of the EPA limit 5 pCi/L Highest in the ZIP: GRENORA CITY OF · 244 people · 2017 | 1/2 | SYR4 |
| Dibromoacetic Acid | 1.0625 µg/L No EPA limit set Main supplier: NORTHWEST RURAL WATER DISTRICT · 5,102 people · 2019 | 1/2 | SYR4 |
| Pfba | 0.0063 µg/L No EPA limit set Main supplier: NORTHWEST RURAL WATER DISTRICT · 5,102 people · 2023 | 1/2 | UCMR-5 |
| Lead | 0.0 mg/L 0% of the EPA limit 0.0150 mg/L Main supplier: NORTHWEST RURAL WATER DISTRICT · 5,102 people · 2023 | 2/2 | 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 58845
| Supplier | State | Population served |
|---|---|---|
| NORTHWEST RURAL WATER DISTRICT | ND | 5,102 |
| GRENORA CITY OF | ND | 244 |
Frequently asked questions about ZIP 58845 tap water
Is the tap water in ZIP 58845 safe to drink?
EPA testing detected 21 contaminants across the water suppliers serving ZIP 58845. 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 58845?
2 public water suppliers report EPA drinking-water monitoring for ZIP 58845. Each is listed above with its population served.
What contaminants are in ZIP 58845's water?
EPA monitoring detected Nitrate, Nitrate-Nitrite, Copper, Barium, Fluoride, and others across this ZIP's suppliers. The full list with levels and sources is above.