What was found in Belcourt's water
The highest level seen across the city's suppliers, the EPA limit for each, and where the figure comes from.
| Contaminant | Level vs EPA limit | Suppliers | Source |
|---|---|---|---|
| Fluoride | 2130 µg/L 53% of the EPA limit 4000 µg/L | 1/1 | SYR4 |
| Copper | 1770 µg/L 136% of the EPA limit, in the worst sample — 1300 µg/L | 1/1 | SYR4 |
| Nitrate-Nitrite | 1060 µg/L 11% of the EPA limit 10000 µg/L | 1/1 | SYR4 |
| TTHM | 113.9 µg/L 142% of the EPA limit, in the worst sample — 80 µg/L | 1/1 | SYR4 |
| Lithium | 89.4 µg/L No EPA limit set | 1/1 | UCMR-5 |
| Total Haloacetic Acids (HAA5) | 78.11 µg/L 130% of the EPA limit, in the worst sample — 60 µg/L | 1/1 | SYR4 |
| Barium | 37.9 µg/L 1.9% of the EPA limit 2000 µg/L | 1/1 | SYR4 |
| Lead | 16.4 µg/L 109% of the EPA limit, in the worst sample — 15 µg/L | 1/1 | SYR4 |
| Cyanide | 10 µg/L 5% of the EPA limit 200 µg/L | 1/1 | SYR4 |
| Combined Uranium | 4.023 µg/L 13% of the EPA limit 30 µg/L | 1/1 | SYR4 |
| Gross Alpha, Excl. Radon And U | 2.9 pCi/L 19% of the EPA limit 15 pCi/L | 1/1 | SYR4 |
| Chromium | 1.36 µg/L 1.4% of the EPA limit 100 µg/L | 1/1 | SYR4 |
| Arsenic | 1.23 µg/L 12% of the EPA limit 10 µg/L | 1/1 | SYR4 |
| Combined Radium (-226 And -228) | 1.13 pCi/L 23% of the EPA limit 5 pCi/L | 1/1 | SYR4 |
| Selenium | 1 µg/L 2% of the EPA limit 50 µg/L | 1/1 | SYR4 |
| Lead | 0.0017 mg/L 11% of the EPA limit 0.0150 mg/L | 1/1 | LCR |
Water suppliers serving Belcourt
| Supplier | Population served |
|---|---|
| BELCOURT-TURTLE MTN RURAL WATER SYSTEM | 13,500 |
Frequently asked questions about Belcourt tap water
Is Belcourt tap water safe to drink?
EPA testing detected 16 contaminants in the water serving Belcourt. 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 Belcourt?
1 public water supplier report drinking-water monitoring for Belcourt, North Dakota to the EPA. Each is listed above with its population served.
What contaminants are in Belcourt's water?
The contaminants EPA monitoring detected in Belcourt include Fluoride, Copper, Nitrate-Nitrite, TTHM, Lithium. The full list, with the highest level found 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.