ALLEN CO RWD 4
PWS ID: KS2000112 · IOLA, Kansas 66749
Population Served
52
Total Violations
35
Health-Based Violations
4
Water Source
Surface Water
System Details
- System Type
- Community
- Owner Type
- Local
- Connections
- 32
- County
- Allen
- School/Daycare
- No
- MCL Violations
- 0
- Monitoring Violations
- 24
- Treatment Tech Violations
- 4
Violation History
Contaminant violations recorded by EPA.
| Contaminant | Category | Count | Latest |
|---|---|---|---|
| Chlorine | MR | 9 | 2024 |
| Revised Total Coliform Rule | MON | 9 | 2024 |
| LEAD AND COPPER RULE REVISIONS | RPT | 4 | 2024 |
| Coliform (TCR) | MR | 4 | 2000 |
| Revised Total Coliform Rule | TT | 4 | 2023 |
| Public Notice | Other | 2 | 2021 |
| Total Haloacetic Acids (HAA5) | MR | 1 | 2025 |
| TTHM | MR | 1 | 2025 |
| Consumer Confidence Rule | Other | 1 | 1999 |
Data Sources: EPA Safe Drinking Water Information System (SDWIS), Q4 2025.
This data is provided for informational purposes only.