Compliance record
Formal violations the EPA has on file for this supplier. A health-based violation means a contaminant limit or a required treatment was breached; the rest are monitoring or reporting failures — still violations, but not a measured health risk.
| Violation | Type | Status | Period |
|---|---|---|---|
| MCL | Health-based | Resolved | 2025-07-01 → 2025-09-30 |
| MCL | Health-based | Resolved | 2025-07-01 → 2025-09-30 |
| MCL | Health-based | Resolved | 2025-07-01 → 2025-09-30 |
| MCL | Health-based | Resolved | 2025-07-01 → 2025-09-30 |
| MCL | Health-based | Resolved | 2017-07-01 → 2017-09-30 |
| MCL | Health-based | Resolved | 2017-07-01 → 2017-09-30 |
| MCL | Health-based | Resolved | 2017-07-01 → 2017-09-30 |
| MCL | Health-based | Resolved | 2017-07-01 → 2017-09-30 |
| MCL | Health-based | Resolved | 2017-04-01 → 2017-06-30 |
| MCL | Health-based | Resolved | 2017-04-01 → 2017-06-30 |
Other contaminants detected
| Contaminant | Level vs EPA limit | Detection rate | Source | Period |
|---|---|---|---|---|
| Fluoride | 746.1 µg/L 19% of the EPA limit 4000 µg/L
worst single sample: 764 µg/L | 107/107 | SYR4 | 2012–2019 |
| Bromodichloromethane | 25.64 µg/L No EPA limit set
worst single sample: 33.3 µg/L | 99/99 | SYR4 | 2012–2019 |
| Bromoform | 2.31 µg/L No EPA limit set
worst single sample: 2.9 µg/L | 99/99 | SYR4 | 2012–2019 |
| Chloroform | 46.09 µg/L No EPA limit set
worst single sample: 69 µg/L | 99/99 | SYR4 | 2012–2019 |
| Dibromochloromethane | 16.9 µg/L No EPA limit set
worst single sample: 17.9 µg/L | 99/99 | SYR4 | 2012–2019 |
| TTHM | 89.63 µg/L 112% of the EPA limit, at the 95th percentile of samples — 80 µg/L
worst single sample: 122.5 µg/L | 99/99 | SYR4 | 2012–2019 |
| Dichloroacetic Acid | 23.6 µg/L No EPA limit set
worst single sample: 26 µg/L | 98/99 | SYR4 | 2012–2019 |
| Total Haloacetic Acids (HAA5) | 40.015 µg/L 67% of the EPA limit 60 µg/L
worst single sample: 47.5 µg/L | 98/99 | SYR4 | 2012–2019 |
| Trichloroacetic Acid | 12.45 µg/L No EPA limit set
worst single sample: 14 µg/L | 96/99 | SYR4 | 2012–2019 |
| Dibromoacetic Acid | 4.4 µg/L No EPA limit set
worst single sample: 10.5 µg/L | 85/99 | SYR4 | 2012–2019 |
| Arsenic | 3.245 µg/L 32% of the EPA limit 10 µg/L
worst single sample: 5.3 µg/L | 52/52 | SYR4 | 2012–2019 |
| Copper | 1316 µg/L 101% of the EPA limit, at the 95th percentile of samples — 1300 µg/L
worst single sample: 1790 µg/L | 32/38 | SYR4 | 2014–2019 |
| Lead | 7.725 µg/L 52% of the EPA limit 15 µg/L
worst single sample: 19 µg/L | 32/38 | SYR4 | 2014–2019 |
| Nitrate | 740 µg/L 7.4% of the EPA limit 10000 µg/L
worst single sample: 800 µg/L | 26/26 | SYR4 | 2012–2019 |
| Lead | 0.0067 mg/L 44% of the EPA limit 0.0150 mg/L | 21/21 | LCR | 2025 |
| Monochloroacetic Acid | 2.9 µg/L No EPA limit set
worst single sample: 3 µg/L | 21/99 | SYR4 | 2012–2019 |
| Monobromoacetic Acid | 7.14 µg/L No EPA limit set
worst single sample: 10 µg/L | 14/99 | SYR4 | 2012–2019 |
| Combined Uranium | 3.6 µg/L 12% of the EPA limit 30 µg/L | 10/10 | SYR4 | 2013–2019 |
| Selenium | 2.43 µg/L 4.9% of the EPA limit 50 µg/L
worst single sample: 2.7 µg/L | 10/10 | SYR4 | 2014–2019 |
| Barium | 120 µg/L 6% of the EPA limit 2000 µg/L | 8/8 | SYR4 | 2014–2019 |
| Nitrate-Nitrite | 552.3 µg/L 5.5% of the EPA limit 10000 µg/L
worst single sample: 560 µg/L | 8/8 | SYR4 | 2014–2019 |
| Lithium | 58.4 µg/L No EPA limit set | 6/8 | UCMR-5 | 2024 |
| Gross Alpha, Excl. Radon And U | 3.875 pCi/L 26% of the EPA limit 15 pCi/L
worst single sample: 4 pCi/L | 2/5 | SYR4 | 2014–2017 |
89 contaminants tested, none detected
Utility contact
Frequently asked questions about Nellis Air Force Base
Is Nellis Air Force Base tap water safe to drink?
EPA monitoring detected 23 contaminants in Nellis Air Force Base's water. A detection isn't the same as a violation — most levels are within federal limits. See each level and source above, and the utility's annual Consumer Confidence Report for its official compliance status.
What contaminants were detected in Nellis Air Force Base's water?
EPA monitoring detected Fluoride, Bromodichloromethane, Bromoform, Chloroform, Dibromochloromethane, and others. The full list with the level and data source for each is above.
How many people does Nellis Air Force Base serve?
Nellis Air Force Base reports serving 19,081 people in Nevada, per its EPA record.
Has Nellis Air Force Base had any water quality violations?
The EPA has 42 violations on file for Nellis Air Force Base, of which 38 are health-based (a contaminant limit or required treatment was breached) and 0 remain open. The rest are monitoring or reporting failures.
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.