GW OCOTILLO WATER - CATALINA
PWS ID: AZ0410171 · MARICOPA, Arizona 85138
Population Served
1,168
Total Violations
25
Health-Based Violations
0
Water Source
Groundwater
System Details
- System Type
- Community
- Owner Type
- Local
- Connections
- 417
- County
- Pima
- School/Daycare
- No
- MCL Violations
- 0
- Monitoring Violations
- 21
- Treatment Tech Violations
- 0
Violation History
Contaminant violations recorded by EPA.
| Contaminant | Category | Count | Latest |
|---|---|---|---|
| Consumer Confidence Rule | Other | 4 | 2008 |
| CYANIDE | MR | 3 | 2001 |
| TTHM | MR | 3 | 2006 |
| Total Haloacetic Acids (HAA5) | MR | 3 | 2006 |
| Chromium | MR | 1 | 1988 |
| Cadmium | MR | 1 | 1988 |
| Mercury | MR | 1 | 1988 |
| Arsenic | MR | 1 | 1985 |
| Fluoride | MR | 1 | 1988 |
| Barium | MR | 1 | 1988 |
| Pentachlorophenol | MR | 1 | 1998 |
| Chlorine | MR | 1 | 2004 |
| Lead and Copper Rule | MR | 1 | 2006 |
| Coliform (TCR) | MR | 1 | 2006 |
| Nitrate | MR | 1 | 1988 |
| Selenium | MR | 1 | 1988 |
Data Sources: EPA Safe Drinking Water Information System (SDWIS), Q4 2025.
This data is provided for informational purposes only.