| Category | Subcategory | Lat | Lon | Range |
|---|---|---|---|---|
| Water Association's | Poweshiek Water Association | 41.86861 | -92.5374 | 50 |
| Water Association's | Osceola County Rural Water | 43.41303 | -95.64697 | 35 |
| Water Association's | Rathbun Regional Water Association | 41.01693 | -92.41342 | 75 |
| Water Association's | Wapello Rural Water Association | 41.03335 | -92.41685 | 75 |
