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 | 2024-10-18 |
| TT | Health-based | Unaddressed | 2024-10-18 |
| TT | Health-based | Unaddressed | 2024-10-18 |
| TT | Health-based | Unaddressed | 2024-10-18 |
| TT | Health-based | Unaddressed | 2024-10-18 |
| TT | Health-based | Unaddressed | 2024-10-18 |
| TT | Health-based | Unaddressed | 2024-10-18 |
| TT | Health-based | Unaddressed | 2024-10-18 |
| TT | Health-based | Unaddressed | 2024-10-18 |
| TT | Health-based | Unaddressed | 2024-10-18 |
Other contaminants detected
| Contaminant | Level vs EPA limit | Detection rate | Source | Period |
|---|---|---|---|---|
| Nitrate | 480 µg/L 4.8% of the EPA limit 10000 µg/L | 20/24 | SYR4 | 2012–2019 |
| Copper | 334 µg/L 26% of the EPA limit 1300 µg/L
worst single sample: 390 µg/L | 15/15 | SYR4 | 2013–2019 |
| Lead | 6.44 µg/L 43% of the EPA limit 15 µg/L
worst single sample: 8.4 µg/L | 9/15 | SYR4 | 2013–2019 |
| Lead | 0.0 mg/L 0% of the EPA limit 0.0150 mg/L | 8/8 | LCR | 2025 |
| Arsenic | 5.76 µg/L 58% of the EPA limit 10 µg/L
worst single sample: 5.8 µg/L | 3/3 | SYR4 | 2013–2019 |
| Barium | 159 µg/L 8% of the EPA limit 2000 µg/L
worst single sample: 160 µg/L | 3/3 | SYR4 | 2013–2019 |
| Chromium | 1.385 µg/L 1.4% of the EPA limit 100 µg/L
worst single sample: 1.4 µg/L | 2/3 | SYR4 | 2013–2019 |
| Fluoride | 119.5 µg/L 3% of the EPA limit 4000 µg/L
worst single sample: 120 µg/L | 2/2 | SYR4 | 2016–2019 |
| Nitrate-Nitrite | 400 µg/L 4% of the EPA limit 10000 µg/L | 1/2 | SYR4 | 2016–2019 |
60 contaminants tested, none detected
Utility contact
Frequently asked questions about Cathedral Rock Estates Water Coop
Is Cathedral Rock Estates Water Coop tap water safe to drink?
EPA monitoring detected 9 contaminants in Cathedral Rock Estates Water Coop'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 Cathedral Rock Estates Water Coop's water?
EPA monitoring detected Nitrate, Copper, Lead, Lead, Arsenic, and others. The full list with the level and data source for each is above.
How many people does Cathedral Rock Estates Water Coop serve?
Cathedral Rock Estates Water Coop reports serving 19 people in Arizona, per its EPA record.
Has Cathedral Rock Estates Water Coop had any water quality violations?
The EPA has 52 violations on file for Cathedral Rock Estates Water Coop, of which 13 are health-based (a contaminant limit or required treatment was breached) and 10 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.