MAHASKA RURAL WATER SYSTEM, INC.
Iowa - Community Water System - PWSID: IA6273901
System Information
| PWSID | IA6273901 |
| System Name | MAHASKA RURAL WATER SYSTEM, INC. |
| System Type | Community Water System |
| Water Source | Ground Water |
| Activity Status | Active |
| Owner Type | Private |
| EPA Region | 07 |
| Serves School | No |
| Wholesaler | No |
| First Reported | Jan 21, 1981 |
| Last Reported | Mar 17, 2026 |
Location & Contact
| State | Iowa |
| City | OSKALOOSA |
| ZIP Code | 52577 |
| Address | ATTN RANDAL PLEIMA |
| Organization | MAHASKA RURAL WATER SYSTEM INC |
| Phone | 641-673-8851 |
Population & Service
| Population Served | 9,818 |
| Service Connections | 3,927 |
Drinking Water Violations (27)
This water system has 27 violations recorded in the EPA SDWIS database.
| Begin Date | End Date | Contaminant | Category | Health-Based | Major | Measured | Federal MCL | State MCL | Status | Return to Compliance | Rule |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Apr 1, 2016 | - | TT | Yes | No | - | - | - | Resolved | May 16, 2017 | - | |
| Apr 1, 2016 | - | TT | Yes | No | - | - | - | Resolved | May 16, 2017 | - | |
| Apr 1, 2016 | - | TT | Yes | No | - | - | - | Resolved | May 16, 2017 | - | |
| Apr 1, 2016 | - | TT | Yes | No | - | - | - | Resolved | May 16, 2017 | - | |
| Aug 1, 2015 | Aug 31, 2015 | MCL | Yes | No | - | 5% of samples | - | Resolved | Aug 31, 2015 | - | |
| Aug 1, 2015 | Aug 31, 2015 | MCL | Yes | No | - | 5% of samples | - | Resolved | Aug 31, 2015 | - | |
| Aug 1, 2015 | Aug 31, 2015 | MCL | Yes | No | - | 5% of samples | - | Resolved | Aug 31, 2015 | - | |
| Aug 1, 2015 | Aug 31, 2015 | MCL | Yes | No | - | 5% of samples | - | Resolved | Aug 31, 2015 | - | |
| Jan 1, 2009 | Dec 31, 2017 | MR | No | Yes | - | 7 MFL | - | Resolved | Dec 31, 2017 | - | |
| Jan 1, 2009 | Dec 31, 2017 | MR | No | Yes | - | 7 MFL | - | Resolved | Dec 31, 2017 | - | |
| Jan 1, 2009 | Dec 31, 2017 | MR | No | Yes | - | 7 MFL | - | Resolved | Dec 31, 2017 | - | |
| Jan 1, 2009 | Dec 31, 2017 | MR | No | Yes | - | 7 MFL | - | Resolved | Dec 31, 2017 | - | |
| Dec 1, 2002 | Dec 31, 2002 | MCL | Yes | No | - | 5% of samples | - | Resolved | Dec 31, 2002 | - | |
| Dec 1, 2002 | Dec 31, 2002 | MCL | Yes | No | - | 5% of samples | - | Resolved | Dec 31, 2002 | - | |
| Dec 1, 2002 | Dec 31, 2002 | MCL | Yes | No | - | 5% of samples | - | Resolved | Dec 31, 2002 | - | |
| Dec 1, 2002 | Dec 31, 2002 | MCL | Yes | No | - | 5% of samples | - | Resolved | Dec 31, 2002 | - | |
| Nov 1, 1995 | Nov 30, 1995 | MR | No | No | - | 5% of samples | - | Resolved | Nov 30, 1995 | - | |
| Nov 1, 1995 | Nov 30, 1995 | MR | No | No | - | 5% of samples | - | Resolved | Nov 30, 1995 | - | |
| Nov 1, 1995 | Nov 30, 1995 | MR | No | No | - | 5% of samples | - | Resolved | Nov 30, 1995 | - | |
| Sep 30, 1980 | Sep 29, 1983 | MR | No | No | - | 15 pCi/L | - | Archived | Sep 29, 1983 | - | |
| Sep 30, 1980 | Sep 29, 1983 | MR | No | No | - | 5 pCi/L | - | Archived | Sep 29, 1983 | - | |
| - | - | - | No | No | - | - | - | - | - | - | |
| - | - | - | No | No | - | - | - | - | - | - | |
| - | - | - | No | No | - | - | - | - | - | - | |
| - | - | - | No | No | - | - | - | - | - | - | |
| - | - | - | No | No | - | - | - | - | - | - | |
| - | - | - | No | No | - | - | - | - | - | - |
About This Water System
Public water system data comes from the EPA Safe Drinking Water Information System (SDWIS). Systems with violations must notify customers. Contact your water utility for the latest annual water quality report.