CONGRESS DWID
PWS ID: AZ0413021 · CONGRESS, Arizona 85332
Population Served
1,870
Total Violations
88
Health-Based Violations
0
Water Source
Groundwater
System Details
- System Type
- Community
- Owner Type
- Private
- Connections
- 750
- County
- Yavapai
- School/Daycare
- No
- MCL Violations
- 0
- Monitoring Violations
- 73
- Treatment Tech Violations
- 0
Violation History
Contaminant violations recorded by EPA.
| Contaminant | Category | Count | Latest |
|---|---|---|---|
| Chlorine | MR | 21 | 2024 |
| Nitrate | MR | 17 | 2006 |
| Coliform (TCR) | MR | 14 | 2007 |
| TTHM | MR | 9 | 2021 |
| Total Haloacetic Acids (HAA5) | MR | 9 | 2021 |
| Consumer Confidence Rule | Other | 6 | 2008 |
| Lead and Copper Rule | MR | 2 | 2017 |
| Revised Total Coliform Rule | RPT | 1 | 2017 |
| Gross Alpha, Excl. Radon and U | MR | 1 | 1980 |
Data Sources: EPA Safe Drinking Water Information System (SDWIS), Q4 2025.
This data is provided for informational purposes only.