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 |
|---|---|---|---|
| TT | Health-based | Unaddressed | 2024-10-17 |
| MCL | Health-based | Archived | 2021-10-01 → 2021-12-31 |
| MCL | Health-based | Archived | 2021-07-01 → 2021-09-30 |
| MCL | Health-based | Archived | 2021-04-01 → 2021-06-30 |
| MCL | Health-based | Archived | 2021-01-01 → 2021-03-31 |
| MCL | Health-based | Archived | 2020-10-01 → 2020-12-31 |
| MCL | Health-based | Archived | 2020-07-01 → 2020-09-30 |
| MCL | Health-based | Archived | 2020-01-01 → 2020-03-31 |
| MCL | Health-based | Archived | 2019-10-01 → 2019-12-31 |
| MCL | Health-based | Archived | 2019-04-01 → 2019-06-30 |
Other contaminants detected
| Contaminant | Level vs EPA limit | Detection rate | Source | Period |
|---|---|---|---|---|
| Nitrate | 16000 µg/L 160% of the EPA limit, at the 95th percentile of samples — 10000 µg/L | 28/28 | SYR4 | 2018–2019 |
| Combined Uranium | 8.9698 µg/L 30% of the EPA limit 30 µg/L | 4/4 | SYR4 | 2018–2019 |
| Lead | 0.0130 mg/L 87% of the EPA limit 0.0150 mg/L | 3/3 | LCR | 2021 |
| Arsenic | 4.485 µg/L 45% of the EPA limit 10 µg/L
worst single sample: 4.5 µg/L | 2/2 | SYR4 | 2018 |
| Barium | 79.95 µg/L 4% of the EPA limit 2000 µg/L
worst single sample: 80 µg/L | 2/2 | SYR4 | 2018 |
| Fluoride | 238 µg/L 5.9% of the EPA limit 4000 µg/L
worst single sample: 240 µg/L | 2/2 | SYR4 | 2018 |
| Dichloromethane | 1.1 µg/L 22% of the EPA limit 5 µg/L | 1/7 | SYR4 | 2018–2019 |
34 contaminants tested, none detected
Utility contact
Frequently asked questions about Spring Mountain Mutual Water Company
Is Spring Mountain Mutual Water Company tap water safe to drink?
EPA monitoring detected 7 contaminants in Spring Mountain Mutual 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 Spring Mountain Mutual Water Company's water?
EPA monitoring detected Nitrate, Combined Uranium, Lead, Arsenic, Barium, and others. The full list with the level and data source for each is above.
How many people does Spring Mountain Mutual Water Company serve?
Spring Mountain Mutual Water Company reports serving 26 people in California, per its EPA record.
Has Spring Mountain Mutual Water Company had any water quality violations?
The EPA has 25 violations on file for Spring Mountain Mutual Water Company, of which 16 are health-based (a contaminant limit or required treatment was breached) and 3 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.