CARDINAL HILL SUBDIVISION
PWS ID: OK2004539 · MADILL, Oklahoma 73446
Population Served
475
Total Violations
186
Health-Based Violations
12
Water Source
Groundwater
System Details
- System Type
- Community
- Owner Type
- Private
- Connections
- 187
- County
- Marshall
- School/Daycare
- No
- MCL Violations
- 10
- Monitoring Violations
- 143
- Treatment Tech Violations
- 2
Violation History
Contaminant violations recorded by EPA.
| Contaminant | Category | Count | Latest |
|---|---|---|---|
| Coliform (TCR) | MR | 120 | 2011 |
| Lead and Copper Rule | MR | 22 | 2012 |
| Consumer Confidence Rule | Other | 16 | 2010 |
| Coliform (TCR) | MCL | 7 | 2008 |
| Revised Total Coliform Rule | MCL | 3 | 2018 |
| LEAD AND COPPER RULE REVISIONS | TT | 2 | 2024 |
| LEAD AND COPPER RULE REVISIONS | RPT | 2 | 2024 |
| E. COLI | MR | 1 | 2013 |
Data Sources: EPA Safe Drinking Water Information System (SDWIS), Q4 2025.
This data is provided for informational purposes only.