We found 49 public water systems in Henry county (ordered by population size).
| Name | Areas served | Population served | Contaminant count | Violation count |
|---|---|---|---|---|
| Mount Pleasant Municipal Utilities | Mount Pleasant | 8,718 | 0 | 24 |
| Rathbun Reg Wtr Assn (burlington) | Burlington | 8,190 | 42 | 8 |
| New London Munic Water Dept | New London | 1,922 | 0 | 8 |
| Rathbun Regional Water (mount Pleasant) | Mount Pleasant | 1,290 | 0 | 0 |
| Winfield Muni Water Dept | Winfield | 1,130 | 0 | 3 |
| Wayland Water Supply | Wayland | 966 | 0 | 15 |
| Mount Pleasant Treatment Center | County of Henry | 500 | 0 | 0 |
| Salem Water Supply | Salem | 383 | 0 | 0 |
| Deerwood Golf Inc | New London | 306 | 0 | 21 |
| Traut 66 Service Station | County of Henry | 300 | 0 | 0 |
| Harmony Bible Church | New London | 270 | 0 | 0 |
| Hillsboro Water Works | Hillsboro | 234 | 0 | 5 |
| Olds Municipal Water Dept | Olds | 229 | 0 | 25 |
| Abby Grocery | County of Henry | 180 | 0 | 0 |
| Green Valley Mhc | Mount Pleasant | 160 | 0 | 0 |
| Mount Union Elementary School | County of Henry | 150 | 0 | 0 |
| Mt Union United Methodist Church | County of Henry | 125 | 0 | 0 |
| Rome Water Supply | Rome | 117 | 0 | 0 |
| Harmony Community Schools | County of Henry | 115 | 0 | 0 |
| Westwood Water Supply | Westwood | 112 | 0 | 0 |
| Westhighland South - Mt Pleasant | Mount Pleasant | 110 | 0 | 0 |
| Harmony Community Schools | County of Henry | 110 | 0 | 0 |
| Oakland Mills Store | Mount Pleasant | 77 | 0 | 0 |
| Country Side Mhp | Mount Pleasant | 75 | 0 | 0 |
| Mardan Court Mhp | Mount Pleasant | 70 | 0 | 0 |
| Swedesburg | County of Henry | 65 | 0 | 0 |
| Geode State Park-south | County of Henry | 63 | 0 | 0 |
| Iowa National Bank | County of Henry | 54 | 0 | 0 |
| Henry County Care Facility | County of Henry | 50 | 0 | 0 |
| Oakland Mills Pk-henry Conserv | County of Henry | 50 | 0 | 0 |
| Marley's Cafe | County of Henry | 50 | 0 | 0 |
| Salem Elevator | County of Henry | 50 | 0 | 0 |
| Winfield Implement Co., Ltd | Winfield | 45 | 0 | 0 |
| Sugar Creek Church | County of Henry | 40 | 0 | 0 |
| Rivers Edge Retreat | Mount Pleasant | 34 | 0 | 0 |
| Mt Union Cooperative Elevator | County of Henry | 30 | 0 | 0 |
| Gabe's Restaurant | County of Henry | 30 | 0 | 0 |
| Cecil Service | County of Henry | 30 | 0 | 0 |
| Mcwhirter Chevrolet | Mount Pleasant | 30 | 0 | 0 |
| Unkrich Feed & Grain | County of Henry | 30 | 0 | 0 |
| Garrels Elevator Inc. | County of Henry | 30 | 0 | 0 |
| Finley Chapel | County of Henry | 30 | 0 | 0 |
| Tickland Mills | County of Henry | 30 | 0 | 0 |
| Sunset Supper Club | County of Henry | 30 | 0 | 0 |
| Tick Ridge Woods | County of Henry | 30 | 0 | 0 |
| Marlerp Cocktail | County of Henry | 25 | 0 | 0 |
| Rame Tap | County of Henry | 25 | 0 | 0 |
| Tick Ridge Wds-henry Conservat | County of Henry | 25 | 0 | 0 |
| Gibson Rec Ar-henry Conservati | County of Henry | 25 | 0 | 0 |