Decatur County, Iowa Water Systems
Decatur County, Iowa
7 community water systems on record — 6 active, 1 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 Decatur County, Iowa
- DAVIS CITY WATER SUPPLYCLIO · 204 servedInactive
- GARDEN GROVE WATER SUPPLYALLERTON · 179 servedActive
- LAMONI MUNICIPAL UTILITIESLAMONI · 2,029 servedActive
- LEON WATER SUPPLYLEON · 1,830 servedActive
- RATHBUN REGIONAL WATER ASSN (RATHBUN)CENTERVILLE · 33,000 servedActive
- SIRWA #2 (CRESTON)CRESTON · 20,793 servedActive
- SIRWA #3 (LEON)CRESTON · 1,373 servedActive
| System name | City | Population served | Status |
|---|---|---|---|
| DAVIS CITY WATER SUPPLY | CLIO | 204 | Inactive |
| GARDEN GROVE WATER SUPPLY | ALLERTON | 179 | Active |
| LAMONI MUNICIPAL UTILITIES | LAMONI | 2,029 | Active |
| LEON WATER SUPPLY | LEON | 1,830 | Active |
| RATHBUN REGIONAL WATER ASSN (RATHBUN) | CENTERVILLE | 33,000 | Active |
| SIRWA #2 (CRESTON) | CRESTON | 20,793 | Active |
| SIRWA #3 (LEON) | CRESTON | 1,373 | Active |