Mahaska County, Iowa Water Systems
Mahaska County, Iowa
10 community water systems on record — 4 active, 6 inactive.
Every active community water system nationwide must produce a Consumer Confidence Report under the EPA's revised rule, effective for reports due July 1, 2027.
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.
Community water systems in Mahaska County, Iowa
- BEACON WATER SUPPLYOSKALOOSA · 504 servedInactive
- LEIGHTON WATERWORKSLEIGHTON · 153 servedInactive
- MAHASKA COUNTY HOMEOSKALOOSA · 70 servedInactive
- MAHASKA RURAL WATER (FREMONT)OSKALOOSA · 743 servedInactive
- MAHASKA RURAL WATER (NEW SHARON)OSKALOOSA · 1,368 servedActive
- MAHASKA RURAL WATER SYSTEM, INC.OSKALOOSA · 9,818 servedActive
- OAK CREEK MHPOSKALOOSA · 165 servedActive
- OSKALOOSA MUNICIPAL WATER DEPTOSKALOOSA · 12,808 servedActive
- ROSE HILL WATER SUPPLY205 servedInactive
- UNIVERSITY PARK WATER SUPPLYOSKALOOSA · 487 servedInactive
| System name | City | Population served | Status |
|---|---|---|---|
| BEACON WATER SUPPLY | OSKALOOSA | 504 | Inactive |
| LEIGHTON WATERWORKS | LEIGHTON | 153 | Inactive |
| MAHASKA COUNTY HOME | OSKALOOSA | 70 | Inactive |
| MAHASKA RURAL WATER (FREMONT) | OSKALOOSA | 743 | Inactive |
| MAHASKA RURAL WATER (NEW SHARON) | OSKALOOSA | 1,368 | Active |
| MAHASKA RURAL WATER SYSTEM, INC. | OSKALOOSA | 9,818 | Active |
| OAK CREEK MHP | OSKALOOSA | 165 | Active |
| OSKALOOSA MUNICIPAL WATER DEPT | OSKALOOSA | 12,808 | Active |
| ROSE HILL WATER SUPPLY | — | 205 | Inactive |
| UNIVERSITY PARK WATER SUPPLY | OSKALOOSA | 487 | Inactive |