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 | 2011-04-01 → 2011-06-30 |
| MCL | Health-based | Resolved | 2011-04-01 → 2011-06-30 |
| MCL | Health-based | Resolved | 2011-01-01 → 2011-03-31 |
| MCL | Health-based | Resolved | 2011-01-01 → 2011-03-31 |
| MCL | Health-based | Resolved | 2011-01-01 → 2011-03-31 |
| MCL | Health-based | Resolved | 2011-01-01 → 2011-03-31 |
| MCL | Health-based | Resolved | 2011-01-01 → 2011-03-31 |
| MCL | Health-based | Resolved | 2011-01-01 → 2011-03-31 |
| MCL | Health-based | Resolved | 2010-10-01 → 2010-12-31 |
| MCL | Health-based | Resolved | 2010-07-01 → 2010-09-30 |
Other contaminants detected
| Contaminant | Level vs EPA limit | Detection rate | Source | Period |
|---|---|---|---|---|
| Nitrate | 9760 µg/L 98% of the EPA limit 10000 µg/L | 54/54 | SYR4 | 2012–2019 |
| Copper | 190 µg/L 15% of the EPA limit 1300 µg/L | 27/40 | SYR4 | 2013–2018 |
| Nitrate-Nitrite | 9760 µg/L 98% of the EPA limit 10000 µg/L | 18/18 | SYR4 | 2012–2019 |
| Lead | 0.0 mg/L 0% of the EPA limit 0.0150 mg/L | 8/8 | LCR | 2024 |
| Arsenic | 6.7 µg/L 67% of the EPA limit 10 µg/L | 7/57 | SYR4 | 2012–2019 |
| Total Haloacetic Acids (HAA5) | 74 µg/L 123% of the EPA limit, in the worst sample — 60 µg/L | 4/13 | SYR4 | 2012–2019 |
| Lead | 20 µg/L 133% of the EPA limit, in the worst sample — 15 µg/L | 3/40 | SYR4 | 2013–2018 |
| TTHM | 12 µg/L 15% of the EPA limit 80 µg/L | 3/12 | SYR4 | 2012–2019 |
| Barium | 59 µg/L 2.9% of the EPA limit 2000 µg/L | 2/2 | SYR4 | 2016–2019 |
| Chromium | 18 µg/L 18% of the EPA limit 100 µg/L | 2/2 | SYR4 | 2016–2019 |
| Fluoride | 470 µg/L 12% of the EPA limit 4000 µg/L | 2/2 | SYR4 | 2016–2019 |
| Di(2-ethylhexyl) Phthalate | 1.1 µg/L 18% of the EPA limit 6 µg/L | 1/2 | SYR4 | 2016 |
59 contaminants tested, none detected
Utility contact
Frequently asked questions about Awc - Casa Grande West Water Company
Is Awc - Casa Grande West Water Company tap water safe to drink?
EPA monitoring detected 12 contaminants in Awc - Casa Grande West 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 Awc - Casa Grande West Water Company's water?
EPA monitoring detected Nitrate, Copper, Nitrate-Nitrite, Lead, Arsenic, and others. The full list with the level and data source for each is above.
How many people does Awc - Casa Grande West Water Company serve?
Awc - Casa Grande West Water Company reports serving 943 people in Arizona, per its EPA record.
Has Awc - Casa Grande West Water Company had any water quality violations?
The EPA has 372 violations on file for Awc - Casa Grande West Water Company, of which 46 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.