PCNR LA POSTA QUEMADA
PWS ID: AZ0420607 · TUCSON, Arizona 85704
Population Served
25
Total Violations
35
Health-Based Violations
1
Water Source
Groundwater
System Details
- System Type
- Transient Non-Community
- Owner Type
- Local
- Connections
- 6
- County
- Pima
- School/Daycare
- No
- MCL Violations
- 1
- Monitoring Violations
- 32
- Treatment Tech Violations
- 0
Violation History
Contaminant violations recorded by EPA.
| Contaminant | Category | Count | Latest |
|---|---|---|---|
| Coliform (TCR) | MR | 16 | 2015 |
| Nitrate | MR | 8 | 2012 |
| Revised Total Coliform Rule | MON | 1 | 2017 |
| Cadmium | MR | 1 | 1990 |
| Arsenic | MR | 1 | 1990 |
| Selenium | MR | 1 | 1990 |
| Mercury | MR | 1 | 1990 |
| Chromium | MR | 1 | 1990 |
| Barium | MR | 1 | 1990 |
| Fluoride | MR | 1 | 1990 |
| Coliform (TCR) | MCL | 1 | 2001 |
Data Sources: EPA Safe Drinking Water Information System (SDWIS), Q4 2025.
This data is provided for informational purposes only.