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 | 2023-01-01 → 2023-03-31 |
| MCL | Health-based | Resolved | 2023-01-01 → 2023-03-31 |
| MCL | Health-based | Resolved | 2022-10-01 → 2022-12-31 |
| MCL | Health-based | Resolved | 2022-10-01 → 2022-12-31 |
| MCL | Health-based | Resolved | 2022-07-01 → 2022-09-30 |
| MCL | Health-based | Resolved | 2022-07-01 → 2022-09-30 |
| MCL | Health-based | Resolved | 2022-04-01 → 2022-06-30 |
| MCL | Health-based | Resolved | 2022-04-01 → 2022-06-30 |
| MCL | Health-based | Resolved | 2022-01-01 → 2022-03-31 |
| MCL | Health-based | Resolved | 2022-01-01 → 2022-03-31 |
Other contaminants detected
| Contaminant | Level vs EPA limit | Detection rate | Source | Period |
|---|---|---|---|---|
| Combined Uranium | 67.05 µg/L 224% of the EPA limit, in the worst sample — 30 µg/L | 60/60 | SYR4 | 2012–2019 |
| Nitrate | 5100 µg/L 51% of the EPA limit 10000 µg/L | 36/36 | SYR4 | 2012–2019 |
| Lead | 0.0028 mg/L 19% of the EPA limit 0.0150 mg/L | 8/8 | LCR | 2025 |
| Barium | 130 µg/L 6.5% of the EPA limit 2000 µg/L | 6/6 | SYR4 | 2013–2019 |
| Fluoride | 59 µg/L 1.5% of the EPA limit 4000 µg/L | 1/6 | SYR4 | 2013–2019 |
37 contaminants tested, none detected
Utility contact
Frequently asked questions about Round Mountain Water Company
Is Round Mountain Water Company tap water safe to drink?
EPA monitoring detected 5 contaminants in Round Mountain Water Company'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 Round Mountain Water Company's water?
EPA monitoring detected Combined Uranium, Nitrate, Lead, Barium, Fluoride. The full list with the level and data source for each is above.
How many people does Round Mountain Water Company serve?
Round Mountain Water Company reports serving 50 people in California, per its EPA record.
Has Round Mountain Water Company had any water quality violations?
The EPA has 142 violations on file for Round Mountain Water Company, of which 96 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.