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 | 2008-09-01 → 2008-09-30 |
| MCL | Health-based | Resolved | 2008-09-01 → 2008-09-30 |
| MCL | Health-based | Resolved | 2008-09-01 → 2008-09-30 |
| MCL | Health-based | Resolved | 2006-07-01 → 2006-07-31 |
| MCL | Health-based | Resolved | 2006-07-01 → 2006-07-31 |
| MCL | Health-based | Resolved | 2006-07-01 → 2006-07-31 |
| MCL | Health-based | Resolved | 2004-12-01 → 2004-12-31 |
| MCL | Health-based | Resolved | 2004-12-01 → 2004-12-31 |
| MCL | Health-based | Resolved | 2004-12-01 → 2004-12-31 |
| MCL | Health-based | Resolved | 2004-09-01 → 2004-09-30 |
Other contaminants detected
| Contaminant | Level vs EPA limit | Detection rate | Source | Period |
|---|---|---|---|---|
| Nitrate | 1700 µg/L 17% of the EPA limit 10000 µg/L | 16/26 | SYR4 | 2012–2019 |
| Lead | 0.00070 mg/L 4.7% of the EPA limit 0.0150 mg/L | 12/12 | LCR | 2026 |
| Arsenic | 14.26 µg/L 143% of the EPA limit, at the 95th percentile of samples — 10 µg/L
worst single sample: 17 µg/L | 5/5 | SYR4 | 2012–2018 |
| Cadmium | 1.38 µg/L 28% of the EPA limit 5 µg/L
worst single sample: 1.4 µg/L | 3/4 | SYR4 | 2012–2018 |
| Fluoride | 594 µg/L 15% of the EPA limit 4000 µg/L
worst single sample: 600 µg/L | 3/3 | SYR4 | 2012–2015 |
| Barium | 76.6 µg/L 3.8% of the EPA limit 2000 µg/L
worst single sample: 78 µg/L | 2/3 | SYR4 | 2012–2015 |
| Combined Uranium | 5.03024 µg/L 17% of the EPA limit 30 µg/L
worst single sample: 5.1852 µg/L | 2/2 | SYR4 | 2014–2019 |
| Lead | 3.727 µg/L 25% of the EPA limit 15 µg/L
worst single sample: 3.9 µg/L | 2/3 | SYR4 | 2012–2015 |
| Chromium | 1.1 µg/L 1.1% of the EPA limit 100 µg/L | 1/3 | SYR4 | 2012–2015 |
| Nitrate-Nitrite | 1500 µg/L 15% of the EPA limit 10000 µg/L | 1/2 | SYR4 | 2014–2018 |
| Selenium | 1.5 µg/L 3% of the EPA limit 50 µg/L | 1/3 | SYR4 | 2012–2015 |
45 contaminants tested, none detected
Utility contact
Frequently asked questions about Robley Property Mws
Is Robley Property Mws tap water safe to drink?
EPA monitoring detected 11 contaminants in Robley Property Mws'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 Robley Property Mws's water?
EPA monitoring detected Nitrate, Lead, Arsenic, Cadmium, Fluoride, and others. The full list with the level and data source for each is above.
How many people does Robley Property Mws serve?
Robley Property Mws reports serving 92 people in California, per its EPA record.
Has Robley Property Mws had any water quality violations?
The EPA has 26 violations on file for Robley Property Mws, of which 12 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.