OSKALOOSA, IA · Mahaska County
MAHASKA RURAL WATER (FREMONT) Water System
Inactive system
This water system is marked inactive in EPA’s federal records as of December 15, 2014. It is no longer an operating public water system under this PWSID, and no compliance deadlines — including the 2027 Consumer Confidence Report rule — apply to it.
If you are a resident looking for your current water provider, see water systems in Mahaska County, IA.
Data sourced from the EPA ECHO database (SDWA bulk download), last refreshed July 4, 2026. This is a record-keeping and public-information tool — it does not replace Iowa’s official records. Always confirm current status with Iowa before making decisions based on this information.
System facts
- System ID (PWSID)
- IA6234070
- System type
- Community Water System
- Population served
- 743
- Service connections
- 300
- Ownership
- local government
- Water source
- groundwater (wells)
Violation history
Monitoring, Routine Major (TCR)
—Coliform (TCR)
February 1, 2011 – February 28, 2011
Resolved
Resolved addressed and confirmed by the state
| Period | Violation | Contaminant / rule | Health-based | Status |
|---|---|---|---|---|
| February 1, 2011 – February 28, 2011 | Monitoring, Routine Major (TCR) | Coliform (TCR) | — | Resolved |
Resolved addressed and confirmed by the state
Enforcement actions
- December 2, 2014State Public Notification requested6 linked violations
- April 18, 1990State Public Notification requested1 linked violation
- April 18, 1990State Formal Notice of Violation issuedgeneral compliance action — not tied to a specific violation on record
- December 13, 1989State Formal Notice of Violation issued2 linked violations
- September 30, 1984Federal issued Formal Notice of Violationgeneral compliance action — not tied to a specific violation on record
- January 26, 1982State Unresolvedgeneral compliance action — not tied to a specific violation on record
- January 21, 1982State Unresolvedgeneral compliance action — not tied to a specific violation on record
Last known contact on file (system is inactive)
MAHASKA RURAL WATER SYSTEM INC
641-673-8851
OSKALOOSA, IA 52577