We found 50 public water systems that could serve the same population as Middletown Water Supply (ordered by population size).
| Name | Areas served | Population served | Contaminant count | Violation count |
|---|---|---|---|---|
| Burlington Municipal Waterworks | Burlington | 25,619 | 35 | 1 |
| Rathbun Reg Wtr Assn (burlington) | Burlington | 8,190 | 42 | 8 |
| West Burlington Muni. Water Supply | West Burlington | 3,370 | 0 | 10 |
| Mediapolis Water Supply | Mediapolis | 1,560 | 0 | 5 |
| Iowa Army Ammunition Plant | Burlington | 1,100 | 0 | 16 |
| Danville Water Supply | Danville | 954 | 0 | 21 |
| Timberline Estates, Ltd. | West Burlington | 712 | 0 | 18 |
| Seven Ponds Park | Sperry | 648 | 0 | 0 |
| Hwy 34 Fast Break | County of Des Moines | 500 | 0 | 0 |
| YARMOUTH ELEMENTARY SCHOOL | County of Des Moines | 282 | 0 | 0 |
| Apostolic Christian Church | Oakville | 250 | 0 | 0 |
| Green Acres Mobile Home Park | Burlington | 235 | 0 | 12 |
| Beaverdale Heights | County of Des Moines | 215 | 0 | 0 |
| United States Gypsum Plant | County of Des Moines | 200 | 0 | 0 |
| Flint Hills Golf Course | Burlington | 159 | 0 | 0 |
| Mediapolis Community School | County of Des Moines | 155 | 0 | 0 |
| Sperry Store And Elevator | County of Des Moines | 150 | 0 | 0 |
| Glen Mark Sub 2nd Add | County of Des Moines | 120 | 0 | 0 |
| Prairie Oak Residential Care Facility | West Burlington | 110 | 0 | 0 |
| Burlington Drive In Theater | County of Des Moines | 106 | 0 | 0 |
| Westwood Hills Association | County of Des Moines | 106 | 0 | 0 |
| Starrs Cave-des Moines Co. Cons. | County of Des Moines | 101 | 0 | 0 |
| U.p.s. (west Burlington) | County of Des Moines | 83 | 0 | 0 |
| Echo Valley Mobile Home Park | County of Des Moines | 75 | 0 | 0 |
| 3 Amigos | County of Des Moines | 75 | 0 | 0 |
| Sperry Water Supply | Sperry | 70 | 0 | 0 |
| Geode State Park-north | County of Des Moines | 62 | 0 | 0 |
| St. Mary's Catholic Church | County of Des Moines | 57 | 0 | 0 |
| Sundown Place Apt | Burlington | 56 | 0 | 0 |
| WOODSMAN SUBDIVISION | County of Des Moines | 53 | 0 | 0 |
| WOODSMAN SUBDIVISION | County of Des Moines | 50 | 0 | 0 |
| Farmers Union Mercantile | County of Des Moines | 50 | 0 | 0 |
| The Pub | County of Des Moines | 50 | 0 | 0 |
| Plantation Village Owners Assn Inc | Burlington | 49 | 0 | 0 |
| Big Hollow Creek Well 2 | County of Des Moines | 41 | 0 | 0 |
| Lower Agusta Access | County of Des Moines | 41 | 0 | 0 |
| 4th Pumping Plant Park | County of Des Moines | 31 | 0 | 0 |
| Chautauqua Pk-des Moines Cons | County of Des Moines | 31 | 0 | 0 |
| 4th Pumping Plt Pk 2 | County of Des Moines | 31 | 0 | 0 |
| Kerrwood Mobile Home Park | County of Des Moines | 26 | 0 | 0 |
| Big Hollow Creek Well 1 | County of Des Moines | 26 | 0 | 0 |
| Welter Park | County of Des Moines | 26 | 0 | 0 |
| Coppe's Cafe | County of Des Moines | 25 | 0 | 0 |
| Camp L-kee-ta | County of Des Moines | 25 | 0 | 0 |
| Hwy 61 Ra-des Moines Conservat | County of Des Moines | 25 | 0 | 0 |
| Gaul's Water Commission | County of Des Moines | 25 | 0 | 0 |
| Geode State Park-beach | County of Des Moines | 25 | 0 | 0 |
| Burlington Generating Station | Burlington | 25 | 0 | 0 |
| Spring Lake Campground | Burlington | 25 | 0 | 0 |
| Strawberry Point Subdivision | Burlington | 23 | 0 | 0 |