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 | 2010-09-01 → 2010-09-30 |
| MCL | Health-based | Resolved | 2010-09-01 → 2010-09-30 |
| MCL | Health-based | Resolved | 1997-01-01 → 1997-01-31 |
| MCL | Health-based | Resolved | 1997-01-01 → 1997-01-31 |
| MR | Monitoring | Resolved | 2010-01-01 → 2010-12-31 |
| MR | Monitoring | Resolved | 2010-01-01 → 2010-12-31 |
| Other | Monitoring | Resolved | 2009-07-01 |
| Other | Monitoring | Resolved | 2009-07-01 |
| MR | Monitoring | Resolved | 2008-09-01 → 2008-09-30 |
| MR | Monitoring | Resolved | 2008-09-01 → 2008-09-30 |
Other contaminants detected
| Contaminant | Level vs EPA limit | Detection rate | Source | Period |
|---|---|---|---|---|
| Nitrate | 7232 µg/L 72% of the EPA limit 10000 µg/L
worst single sample: 7910 µg/L | 48/48 | SYR4 | 2012–2019 |
| Lead | 0.0 mg/L 0% of the EPA limit 0.0150 mg/L | 12/12 | LCR | 2025 |
| 1,2-DIBROMO-3-CHLOROPROPANE | 0.0158 µg/L 7.9% of the EPA limit 0.2000 µg/L
worst single sample: 0.0160 µg/L | 2/3 | SYR4 | 2012–2018 |
| Fluoride | 109.5 µg/L 2.7% of the EPA limit 4000 µg/L
worst single sample: 110 µg/L | 2/2 | SYR4 | 2014–2017 |
| Copper | 70 µg/L 5.4% of the EPA limit 1300 µg/L | 1/2 | SYR4 | 2014–2017 |
| Lead | 6.8 µg/L 45% of the EPA limit 15 µg/L | 1/2 | SYR4 | 2014–2017 |
| Nitrate-Nitrite | 6700 µg/L 67% of the EPA limit 10000 µg/L | 1/1 | SYR4 | 2017 |
36 contaminants tested, none detected
Utility contact
Frequently asked questions about Belmont Water Corporation
Is Belmont Water Corporation tap water safe to drink?
EPA monitoring detected 7 contaminants in Belmont Water Corporation'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 Belmont Water Corporation's water?
EPA monitoring detected Nitrate, Lead, 1,2-DIBROMO-3-CHLOROPROPANE, Fluoride, Copper, and others. The full list with the level and data source for each is above.
How many people does Belmont Water Corporation serve?
Belmont Water Corporation reports serving 264 people in California, per its EPA record.
Has Belmont Water Corporation had any water quality violations?
The EPA has 18 violations on file for Belmont Water Corporation, of which 4 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.