We found 17 public water systems that could serve the same population as Sw1/4 Sec21 Water Co-op (ordered by population size).
| Name | Areas served | Population served | Contaminant count | Violation count |
|---|---|---|---|---|
| Scottsdale City Of | Scottsdale | 230,000 | 263 | 246 |
| Scottsdale Water Serv Co. | Scottsdale | 13,702 | 0 | 0 |
| Scottsdale Community Col | Scottsdale | 11,200 | 0 | 0 |
| Scottsdale Community College | Scottsdale | 10,950 | 20 | 35 |
| Thunderbird Adventist Ac | Scottsdale | 500 | 0 | 0 |
| Water Utility Of Northern Scottsdale | Scottsdale | 235 | 0 | 78 |
| Reata Pass Steak House | Scottsdale | 150 | 0 | 0 |
| Hidden Meadow Ranch | Scottsdale | 100 | 0 | 0 |
| Taliesin West | Scottsdale | 85 | 0 | 0 |
| Mummy Mountain Water Co | Scottsdale | 70 | 0 | 0 |
| American West Quarter Horses Facility | Scottsdale | 50 | 0 | 0 |
| Carefree Hills Water Co | Scottsdale | 50 | 0 | 0 |
| Desert Foothills Coop | Scottsdale | 40 | 0 | 0 |
| Tom Chauncey Arabians | Scottsdale | 30 | 0 | 0 |
| Paradise Park | Scottsdale | 30 | 0 | 0 |
| Carefree Ranch Water Co | Scottsdale | 9 | 0 | 0 |
| YELLOW BOOT RANCH | Scottsdale | 1 | 0 | 0 |