Monroe County, Illinois Water Systems
Monroe County, Illinois
10 community water systems on record — 6 active, 4 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 Illinois’s official records. Always confirm current status with Illinois before making decisions based on this information.
Community water systems in Monroe County, Illinois
- CHAPPEL SPRINGUNSPEC PL IN CO · 25 servedInactive
- COLUMBIACOLUMBIA · 11,129 servedActive
- FOUNTAIN WATER DISTRICTVALMEYER · 3,650 servedActive
- HECKERHECKER · 429 servedActive
- MAEYSTOWNMAEYSTOWN · 340 servedActive
- MAPLE LEAF ESTATES WATER CORPORATIONNEW ATHENS · 0 servedInactive
- MONROE COUNTY MONROE CO WTMONROE COUNTY MONROE CO WT · 315 servedInactive
- TIMBERLAKES HOMEOWNERS ASSOCIATIONWATERLOO · 99 servedInactive
- VALMEYERVALMEYER · 1,263 servedActive
- WATERLOOWATERLOO · 10,190 servedActive
| System name | City | Population served | Status |
|---|---|---|---|
| CHAPPEL SPRING | UNSPEC PL IN CO | 25 | Inactive |
| COLUMBIA | COLUMBIA | 11,129 | Active |
| FOUNTAIN WATER DISTRICT | VALMEYER | 3,650 | Active |
| HECKER | HECKER | 429 | Active |
| MAEYSTOWN | MAEYSTOWN | 340 | Active |
| MAPLE LEAF ESTATES WATER CORPORATION | NEW ATHENS | 0 | Inactive |
| MONROE COUNTY MONROE CO WT | MONROE COUNTY MONROE CO WT | 315 | Inactive |
| TIMBERLAKES HOMEOWNERS ASSOCIATION | WATERLOO | 99 | Inactive |
| VALMEYER | VALMEYER | 1,263 | Active |
| WATERLOO | WATERLOO | 10,190 | Active |