LOGAN CO RWS & SWMD #3
PWS ID: OK2004230 · MARSHALL, Oklahoma 73056-0187
Population Served
1,618
Total Violations
100
Health-Based Violations
43
Water Source
Groundwater
System Details
- System Type
- Community
- Owner Type
- Local
- Connections
- 965
- County
- Logan
- School/Daycare
- No
- MCL Violations
- 41
- Monitoring Violations
- 49
- Treatment Tech Violations
- 2
Violation History
Contaminant violations recorded by EPA.
| Contaminant | Category | Count | Latest |
|---|---|---|---|
| TTHM | MCL | 29 | 2008 |
| Nitrate-Nitrite | MR | 17 | 2007 |
| Coliform (TCR) | MR | 15 | 2012 |
| Nitrate-Nitrite | MCL | 8 | 2021 |
| E. COLI | MR | 5 | 2014 |
| TTHM | MR | 5 | 2005 |
| Total Haloacetic Acids (HAA5) | MR | 5 | 2005 |
| Coliform (TCR) | MCL | 4 | 2007 |
| Lead and Copper Rule | MR | 2 | 1994 |
| LEAD AND COPPER RULE REVISIONS | TT | 2 | 2024 |
| LEAD AND COPPER RULE REVISIONS | RPT | 2 | 2024 |
Data Sources: EPA Safe Drinking Water Information System (SDWIS), Q4 2025.
This data is provided for informational purposes only.