We found 28 public water systems that could serve the same population as Casa Grande West Water Company (ordered by population size).
| Name | Areas served | Population served | Contaminant count | Violation count |
|---|---|---|---|---|
| Arizona Water Co - Pinal Valley | Casa Grande | 88,019 | 224 | 264 |
| Picacho Water Company | Casa Grande | 1,850 | 0 | 29 |
| Arizona Water Co - Tierra Grande | Casa Grande | 1,656 | 0 | 11 |
| Arizona Water Co - Stanfield | Casa Grande | 844 | 0 | 73 |
| Casa Verde Mobile Estate | Casa Grande | 600 | 0 | 0 |
| Casita Verde Rv Park | Casa Grande | 420 | 0 | 0 |
| Az Water Co-casa Grand Ru | Casa Grande | 383 | 0 | 0 |
| Pinal County Housing Divi | Casa Grande | 375 | 0 | 0 |
| Safari Mobile Home Park | Casa Grande | 350 | 0 | 0 |
| La Posada Court | Casa Grande | 350 | 0 | 0 |
| Sunscape Rv Coop | Casa Grande | 250 | 0 | 0 |
| Casa Grande South Water Company | Casa Grande | 220 | 0 | 53 |
| Las Casitas Trailer Park | Casa Grande | 176 | 0 | 0 |
| Golden Corridor Water Company Inc | Casa Grande | 176 | 0 | 144 |
| Foothill West Rv Park | Casa Grande | 168 | 0 | 0 |
| Desert Carmel Service Co | Casa Grande | 167 | 0 | 0 |
| Ranchette Water Company | Casa Grande | 150 | 0 | 0 |
| Cyprus Casa Grande Corp | Casa Grande | 150 | 0 | 0 |
| Paradise Gardens M H P | Casa Grande | 140 | 0 | 0 |
| C G East Mobile Home Park | Casa Grande | 105 | 0 | 0 |
| Sierra Vista Adult Rv Res | Casa Grande | 100 | 0 | 0 |
| Bob's Corner | Casa Grande | 50 | 0 | 0 |
| Global Water - Cp Water Company | Casa Grande | 37 | 0 | 0 |
| Desert Inn | Casa Grande | 35 | 0 | 0 |
| Du Brook Dairy | Casa Grande | 21 | 0 | 0 |
| K D Farms & Dairy | Casa Grande | 11 | 0 | 0 |
| Cemex Casa Grande South Plant | Casa Grande | 9 | 0 | 0 |
| Az Water Co-val Vista | Casa Grande | 1 | 0 | 0 |