COUNTY WATER-SYSTEM LEDGER
Johnson, Iowa
Compare active community water systems serving this county in EPA's public export. Systems can serve multiple places, so population totals may overlap.
Systems6active CWS · pop. 2,500+
Population served151,626reported total; may overlap
Current violation flag0.0%0 systems
Serious-violator flag0.0%0 systems
01 / SYSTEMS
Water systems serving Johnson
Ordered by reported population served. Open any record for separate health, monitoring, notice, other, and serious-violator flags.
| Water system | Population served | Primary source | Current export status |
|---|---|---|---|
| Iowa City Water DepartmentIA5225079 | 68,753 | Surface water | No current violation flagged |
| University Water SystemIA5225101 | 26,684 | Surface water | No current violation flagged |
| North Liberty Water SupplyIA5252072 | 23,276 | Ground water | No current violation flagged |
| Coralville Muni Water SystemIA5208071 | 22,318 | Ground water | No current violation flagged |
| Tiffin Water SupplyIA5288021 | 7,577 | Ground water | No current violation flagged |
| Solon Water DeptIA5282062 | 3,018 | Ground water | No current violation flagged |
02 / SOURCE MIX
How to read the population total
It is the sum of each listed system's reported population served, not a census estimate. Service areas can overlap and some systems list multiple cities or counties.