ROYAL OAKS SUBDIVISION
PWS ID: IA5282303 · OXFORD, Iowa 52322
Population Served
163
Total Violations
41
Health-Based Violations
23
Water Source
Groundwater
System Details
- System Type
- Community
- Owner Type
- Private
- Connections
- 65
- County
- Johnson
- School/Daycare
- No
- MCL Violations
- 19
- Monitoring Violations
- 15
- Treatment Tech Violations
- 4
Violation History
Contaminant violations recorded by EPA.
| Contaminant | Category | Count | Latest |
|---|---|---|---|
| Coliform (TCR) | MCL | 19 | 2014 |
| Nitrite | MR | 6 | 1999 |
| Nitrate | MR | 6 | 1999 |
| Revised Total Coliform Rule | TT | 4 | 2024 |
| Consumer Confidence Rule | Other | 3 | 2024 |
| Coliform (TCR) | MR | 3 | 1999 |
Data Sources: EPA Safe Drinking Water Information System (SDWIS), Q4 2025.
This data is provided for informational purposes only.