COUNTY WATER-SYSTEM LEDGER
Linn, Iowa
EPA’s September 2026 export lists 6 active community water systems serving Linn, Iowa, with 0 current-violation flags and 0 serious-violator flags among the covered systems.
Source: EPA SDWIS system-search export · Active community systems serving 2,500+ people · Snapshot 13 Sep 2026
01 / SYSTEMS
Water systems serving Linn, Iowa
EPA associates 6 covered systems with Linn, Iowa; their reported population-served values total 201,104 and may overlap.
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 |
|---|---|---|---|
| Cedar Rapids Water DepartmentIA5715093 | 142,364 | Groundwater under influence of surface water | No current violation flagged |
| Marion Municipal Water DeptIA5751035 | 41,623 | Ground water | No current violation flagged |
| Hiawatha Water DeptIA5735045 | 7,183 | Ground water | No current violation flagged |
| Mount Vernon Water SupplyIA5758021 | 4,527 | Ground water | No current violation flagged |
| Fairfax Water SupplyIA5731032 | 2,828 | Ground water | No current violation flagged |
| Center Point Water SupplyIA5718006 | 2,579 | Ground water | No current violation flagged |
02 / SOURCE MIX
Primary water sources for Linn, Iowa
EPA classifies 6 systems serving Linn, Iowa across 2 primary-source categories; Groundwater under influence of surface water is the largest category with 1 systems.
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.