What was found in Carson Colony'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 |
|---|---|---|---|
| Nitrate | 10742.5 µg/L 107% of the EPA limit, at the 95th percentile of samples — 10000 µg/L Main supplier: Washoe Tribe Carson Colony · 450 people · 2019 | 1/1 | SYR4 |
| Fluoride | 395 µg/L 9.9% of the EPA limit 4000 µg/L Main supplier: Washoe Tribe Carson Colony · 450 people · 2019 | 1/1 | SYR4 |
| Barium | 119 µg/L 5.9% of the EPA limit 2000 µg/L Main supplier: Washoe Tribe Carson Colony · 450 people · 2019 | 1/1 | SYR4 |
| Combined Uranium | 14 µg/L 47% of the EPA limit 30 µg/L Main supplier: Washoe Tribe Carson Colony · 450 people · 2019 | 1/1 | SYR4 |
| Copper | 9.65 µg/L 0.7% of the EPA limit 1300 µg/L Main supplier: Washoe Tribe Carson Colony · 450 people · 2017 | 1/1 | SYR4 |
| Gross Alpha, Excl. Radon And U | 7.5 pCi/L 50% of the EPA limit 15 pCi/L Main supplier: Washoe Tribe Carson Colony · 450 people · 2019 | 1/1 | SYR4 |
| TTHM | 1.4545 µg/L 1.8% of the EPA limit 80 µg/L Main supplier: Washoe Tribe Carson Colony · 450 people · 2019 | 1/1 | SYR4 |
| Chromium | 1 µg/L 1% of the EPA limit 100 µg/L Main supplier: Washoe Tribe Carson Colony · 450 people · 2019 | 1/1 | SYR4 |
| Selenium | 1 µg/L 2% of the EPA limit 50 µg/L Main supplier: Washoe Tribe Carson Colony · 450 people · 2019 | 1/1 | SYR4 |
| Combined Radium (-226 And -228) | 0.6000 pCi/L 12% of the EPA limit 5 pCi/L Main supplier: Washoe Tribe Carson Colony · 450 people · 2019 | 1/1 | SYR4 |
| Atrazine | 0.0694 µg/L 2.3% of the EPA limit 3 µg/L Main supplier: Washoe Tribe Carson Colony · 450 people · 2017 | 1/1 | SYR4 |
| Heptachlor Epoxide | 0.0500 µg/L 25% of the EPA limit 0.2000 µg/L Main supplier: Washoe Tribe Carson Colony · 450 people · 2017 | 1/1 | SYR4 |
| Heptachlor | 0.0400 µg/L 10% of the EPA limit 0.4000 µg/L Main supplier: Washoe Tribe Carson Colony · 450 people · 2017 | 1/1 | SYR4 |
| Lead | 0.0010 mg/L 6.7% of the EPA limit 0.0150 mg/L Main supplier: Washoe Tribe Carson Colony · 450 people · 2025 | 1/1 | LCR |
Water suppliers serving Carson Colony
| Supplier | Population served |
|---|---|
| Washoe Tribe Carson Colony | 450 |
Frequently asked questions about Carson Colony tap water
Is Carson Colony tap water safe to drink?
EPA testing detected 14 contaminants in the water serving Carson Colony. 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 Carson Colony?
1 public water supplier report drinking-water monitoring for Carson Colony, Nevada to the EPA. Each is listed above with its population served.
What contaminants are in Carson Colony's water?
The contaminants EPA monitoring detected in Carson Colony include Nitrate, Fluoride, Barium, Combined Uranium, Copper. 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.