SANTA CRUZ COUNTY FAIRGROUNDS
PWS ID: AZ0412028 · SONOITA, Arizona 85637
Population Served
297
Total Violations
71
Health-Based Violations
4
Water Source
Groundwater
System Details
- System Type
- Transient Non-Community
- Owner Type
- Public/Private
- Connections
- 3
- County
- Santa Cruz
- School/Daycare
- No
- MCL Violations
- 4
- Monitoring Violations
- 58
- Treatment Tech Violations
- 0
Violation History
Contaminant violations recorded by EPA.
| Contaminant | Category | Count | Latest |
|---|---|---|---|
| Coliform (TCR) | MR | 23 | 2014 |
| Revised Total Coliform Rule | MON | 20 | 2023 |
| Nitrate | MR | 6 | 2010 |
| Revised Total Coliform Rule | RPT | 6 | 2024 |
| Coliform (TCR) | MCL | 4 | 2007 |
| Nitrite | MR | 2 | 2002 |
| Public Notice | Other | 1 | 2024 |
| Selenium | MR | 1 | 1987 |
| Chromium | MR | 1 | 1987 |
| Fluoride | MR | 1 | 1987 |
| Mercury | MR | 1 | 1987 |
| Barium | MR | 1 | 1987 |
| Cadmium | MR | 1 | 1987 |
| Arsenic | MR | 1 | 1987 |
Data Sources: EPA Safe Drinking Water Information System (SDWIS), Q4 2025.
This data is provided for informational purposes only.