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 August 1, 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)
MAHASKA RURAL WATER (FREMONT) is one of 403 community water systems in Iowa in the 501 to 3,300 people size category, formerly serving 743 people from groundwater.
EPA's federal records list this system as inactive in 2014; the record below is historical.
As of August 1, 2026, its federal record holds 1 entry in 2011, all of which EPA lists as closed. Nothing has been added since 2011.
All 1 are monitoring and reporting requirements — the category that accounts for about four in five of all violations in EPA's national dataset — rather than findings about the water itself. The record involves the Total Coliform Rules.
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
- May 20, 2004State Public Notification received6 linked violations
- March 8, 2004State Compliance achieved6 linked violations
- December 17, 1991State Compliance achieved1 linked violation
- 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