We found 25 public water systems in Cooper county (ordered by population size).
| Name | Areas served | Population served | Contaminant count | Violation count |
|---|---|---|---|---|
| Boonville | Boonville | 8,319 | 0 | 36 |
| Cooper Co Consolidated Pwsd # 1 | Boonville | 2,451 | 0 | 14 |
| Bobber Auto Truck Plaza Cafe | County of Cooper | 1,000 | 0 | 0 |
| Pilot Grove | Pilot Grove | 768 | 0 | 7 |
| Cooper Co Pwsd 1 | Woolridge | 562 | 0 | 3 |
| Cooper Co Pwsd #2-west | Boonville | 450 | 0 | 0 |
| Otterville | Otterville | 450 | 0 | 5 |
| Bunceton | Bunceton | 354 | 0 | 51 |
| Windmill Campground | Windmill Campgd | 300 | 0 | 0 |
| Prairie Home | Prairie Home | 280 | 0 | 16 |
| Blackwater | Blackwater | 205 | 0 | 37 |
| Four Trees Station & Rest | Four Trees Rest | 200 | 0 | 0 |
| Cooper County Pwsd 3 | County of Cooper | 150 | 0 | 0 |
| Smith's Texaco Service | Smiths Texaco | 75 | 0 | 0 |
| Atlasta Motel | County of Cooper | 70 | 0 | 0 |
| Rustic Acres Motel | Rustic Acres | 50 | 0 | 0 |
| Mid-missouri Convenience Store | County of Cooper | 40 | 0 | 0 |
| Qt Inn | County of Cooper | 40 | 0 | 0 |
| ZION LUTHERAN CHURCH | County of Cooper | 35 | 0 | 0 |
| Conoco Food Store | County of Cooper | 35 | 0 | 0 |
| Pisgah Baptist Church | Baptist Church | 25 | 0 | 0 |
| Booneville Interstate Rest A | Booneville | 25 | 0 | 0 |
| Wild Cliff Resort & Campgr | Wild Cliff Reso | 25 | 0 | 0 |
| Pilot Grove Baptist | Baptist Church | 25 | 0 | 0 |
| Mt Nebo Baptist Church | Baptist Church | 25 | 0 | 0 |