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 | 2014-08-01 → 2014-08-31 |
| MCL | Health-based | Resolved | 2014-08-01 → 2014-08-31 |
| MCL | Health-based | Resolved | 2014-07-01 → 2014-07-31 |
| MCL | Health-based | Resolved | 2014-07-01 → 2014-07-31 |
| MCL | Health-based | Resolved | 2014-06-01 → 2014-06-30 |
| MCL | Health-based | Resolved | 2014-06-01 → 2014-06-30 |
| MCL | Health-based | Resolved | 2014-05-01 → 2014-05-31 |
| MCL | Health-based | Resolved | 2014-05-01 → 2014-05-31 |
| MR | Monitoring | Resolved | 2016-01-01 → 2016-01-31 |
| MR | Monitoring | Resolved | 2016-01-01 → 2016-01-31 |
Other contaminants detected
| Contaminant | Level vs EPA limit | Detection rate | Source | Period |
|---|---|---|---|---|
| Nitrate | 742.482 µg/L 7.4% of the EPA limit 10000 µg/L
worst single sample: 772.92 µg/L | 24/40 | SYR4 | 2013–2019 |
| Lead | 0.0 mg/L 0% of the EPA limit 0.0150 mg/L | 5/5 | LCR | 2026 |
| Barium | 59.85 µg/L 3% of the EPA limit 2000 µg/L
worst single sample: 60 µg/L | 4/5 | SYR4 | 2014–2017 |
| Fluoride | 191.2 µg/L 4.8% of the EPA limit 4000 µg/L
worst single sample: 199 µg/L | 3/5 | SYR4 | 2014–2017 |
| Copper | 35 µg/L 2.7% of the EPA limit 1300 µg/L | 1/5 | SYR4 | 2014–2017 |
62 contaminants tested, none detected
Utility contact
Frequently asked questions about North Peak Mutual Water Company
Is North Peak Mutual Water Company tap water safe to drink?
EPA monitoring detected 5 contaminants in North Peak 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 North Peak Mutual Water Company's water?
EPA monitoring detected Nitrate, Lead, Barium, Fluoride, Copper. The full list with the level and data source for each is above.
How many people does North Peak Mutual Water Company serve?
North Peak Mutual Water Company reports serving 298 people in California, per its EPA record.
Has North Peak Mutual Water Company had any water quality violations?
The EPA has 26 violations on file for North Peak Mutual Water Company, of which 8 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.