We found 35 public water systems that could serve the same population as Clemons Water Supply (ordered by population size).
| Name | Areas served | Population served | Contaminant count | Violation count |
|---|---|---|---|---|
| Ia Regional Utilities Assoc (waverly) | Waverly | 34,245 | 87 | 2 |
| Marshalltown Water Works | Marshalltown | 27,612 | 21 | 3 |
| Central Ia Water Assn (marshalltown) | County of Marshall | 2,700 | 0 | 0 |
| Swift And Company | Marshalltown | 2,000 | 0 | 0 |
| State Center Muni Water Dept | State Center | 1,671 | 0 | 12 |
| Le Grand Water Works | Le Grand | 993 | 0 | 8 |
| Melbourne Water Supply | Melbourne | 830 | 0 | 4 |
| Sunset Village | Marshalltown | 517 | 0 | 1 |
| Gilman Water Supply | Gilman | 509 | 0 | 8 |
| Albion Water Department | Albion | 505 | 0 | 9 |
| Rhodes Water Supply | Rhodes | 305 | 0 | 3 |
| Liscomb Water Supply | Liscomb | 301 | 0 | 2 |
| Green Mountain Independent School | County of Marshall | 283 | 0 | 0 |
| Laurel Municipal Water Works | Laurel | 239 | 0 | 2 |
| Marshall County Care Facility | County of Marshall | 200 | 0 | 0 |
| Ldf Community School | County of Marshall | 150 | 0 | 0 |
| Starlite Mobile Home Park | Marshalltown | 150 | 0 | 0 |
| Timber Wolf Valley Park | Marshalltown | 150 | 0 | 25 |
| Ferguson Water Supply | Ferguson | 126 | 0 | 0 |
| St Anthony Water System | Saint Anthony | 109 | 0 | 0 |
| Terrace Manor Mobile Home Park | Le Grand | 100 | 0 | 0 |
| Travel America Inc | Rhodes | 79 | 0 | 0 |
| Shadyoaks Cafe & Lounge | County of Marshall | 49 | 0 | 0 |
| Sutherland Station | County of Marshall | 43 | 0 | 0 |
| Shady Oaks | County of Marshall | 31 | 0 | 0 |
| Marshalltown Aviation | County of Marshall | 25 | 0 | 0 |
| Van Cleve Pk-marshall Conserva | County of Marshall | 25 | 0 | 0 |
| 3 Bridges Pk-marshall Conserva | County of Marshall | 25 | 0 | 0 |
| Timmons Grove-north-marshal Co | County of Marshall | 25 | 0 | 0 |
| Grammer Grove-marshall Conserv | County of Marshall | 25 | 0 | 0 |
| Timmons Grove-south-marshal Co | County of Marshall | 25 | 0 | 0 |
| Green Castle Recreation Area | Marshalltown | 25 | 0 | 0 |
| Melbourne Villa Mobile Home Park | Melbourne | 25 | 0 | 0 |
| Fairview Motel | County of Marshall | 25 | 0 | 0 |
| Edgetown Mobile Home Court | Albion | 25 | 0 | 0 |