We found 78 public water systems that could serve the same population as Sam A Baker State Park (ordered by population size).
| Name | Areas served | Population served | Contaminant count | Violation count |
|---|---|---|---|---|
| Piedmont | Piedmont | 2,726 | 0 | 5 |
| Wayne & Butler Co Pwsd 4 | County of Wayne | 1,500 | 0 | 4 |
| Wayne Co Pwsd 2 | County of Wayne | 900 | 0 | 0 |
| Community Water System | Wappapello | 750 | 0 | 42 |
| Wayne Co Pwsd 4 | Poplar Bluff | 640 | 0 | 0 |
| Clearwater River Road 09c | Piedmont | 600 | 0 | 0 |
| Clearwater River Rd Left Bk 12 | Piedmont | 600 | 0 | 0 |
| Usace Clearwater River Rd Left Bk 10 | Piedmont | 600 | 0 | 1 |
| Wa'pello Res-dike 2 Campgr | Wappapello | 600 | 0 | 0 |
| Greenville | Greenville | 520 | 0 | 7 |
| Usace Wappapello Res Holliday Landing | Greenville | 500 | 0 | 0 |
| Camp Cherokee Ridge | County of Wayne | 500 | 0 | 27 |
| Williamsville | Williamsville | 450 | 0 | 3 |
| Wapello Res-peoples Creek | County of Wayne | 450 | 0 | 0 |
| Camp Lewallen Bsa | County of Wayne | 300 | 0 | 6 |
| Wayne Co Pwsd 3 | County of Wayne | 287 | 0 | 4 |
| Lake Wappapello State Park | Williamsville | 268 | 0 | 12 |
| Usace Wappapello Res Chaonia Camp | County of Wayne | 250 | 0 | 1 |
| Lost Creek Water Company | Wappapello | 208 | 0 | 2 |
| Mountain Park Baptist Church | County of Wayne | 200 | 0 | 0 |
| Mill Spring | Mill Spring | 189 | 0 | 29 |
| Usace Camp Latonka | County of Wayne | 180 | 0 | 7 |
| Whispering Hills Subdivision | County of Wayne | 180 | 0 | 6 |
| Usfs Markham Spring | Poplar Bluff | 164 | 0 | 15 |
| Usace Wappapello Res Old Greenville | County of Wayne | 150 | 0 | 2 |
| Pleasant Valley Cafe | Pleasant Valley | 150 | 0 | 0 |
| Cotton Boll Area Girl Scout | Cotton Boll Are | 150 | 0 | 0 |
| Ridgetop Waterworks Corp Subdivision | County of Wayne | 130 | 0 | 5 |
| Wapello Res-redman East Campground | County of Wayne | 125 | 0 | 0 |
| Pine Trails Water Co | Wappapello | 120 | 0 | 0 |
| Patterson Elem School | Patterson | 115 | 0 | 0 |
| Wapello Res-redman Creek Rec Area | County of Wayne | 100 | 0 | 0 |
| Golden's Cafe | County of Wayne | 100 | 0 | 0 |
| Turkey Creek Cafe | Turkey Crk Cafe | 100 | 0 | 0 |
| Camp Allen Youth Camp | Camp Allen Camp | 100 | 0 | 0 |
| Johns Branch Water Co | County of Wayne | 78 | 0 | 0 |
| Martha & Joe's Country Kitche | Country Kitchen | 75 | 0 | 0 |
| Corner Water Company | Wappapello | 75 | 0 | 0 |
| Lake Forest Acres | Lake Forest Acr | 75 | 0 | 0 |
| Wappapello Senior Center | County of Wayne | 60 | 0 | 0 |
| 4-h Club Camp | County of Wayne | 60 | 0 | 0 |
| Usace Camp Semo Wappapello | County of Wayne | 60 | 0 | 0 |
| Wappapello Civic Center | Civic Center | 60 | 0 | 0 |
| Usace Clearwater River Rd Right 18c | Piedmont | 50 | 0 | 0 |
| Coldwater Service Center | Service Station | 50 | 0 | 0 |
| Wappapello Res-project Office | Wappepello | 50 | 0 | 0 |
| Wapello Res Peoples Creek Group | Wappapello | 50 | 0 | 0 |
| Wild Oaks Water Company | County of Wayne | 42 | 0 | 0 |
| Missionary Acres | County of Wayne | 40 | 0 | 0 |
| Clearwater Lake Resort | County of Wayne | 35 | 0 | 0 |
| Kemper's Hide Away | Kempers Hideawa | 30 | 0 | 0 |
| Patches Restaurant | County of Wayne | 30 | 0 | 0 |
| Twin Oaks Resort | County of Wayne | 27 | 0 | 0 |
| Janas At The Lake | County of Wayne | 27 | 0 | 0 |
| Deer Run Lodge | Deer Run Lodge | 25 | 0 | 0 |
| Piedmont Municipal Airpor | Piedmont Airpor | 25 | 0 | 0 |
| Park Road Lounge | Park Rd Lounge | 25 | 0 | 0 |
| Clearwater Stores Inc. | Clearwater Stor | 25 | 0 | 0 |
| Park Road Grocery | Park Road Groce | 25 | 0 | 0 |
| Wayne County Eagles #4187 | County of Wayne | 25 | 0 | 0 |
| Wagon Wheel | Wagom Wheel | 25 | 0 | 0 |
| Calico's | County of Wayne | 25 | 0 | 0 |
| R L Smith Quick Shop Inc | Smith Quick Sho | 25 | 0 | 0 |
| Plaza Truck Stop & Cafe | Plaza Truck Caf | 25 | 0 | 0 |
| Redwood Acres Motel | Redwood Acres | 25 | 0 | 0 |
| Chaonia Landing | Chaonia Landing | 25 | 0 | 0 |
| Vickery's Valley Resort | County of Wayne | 25 | 0 | 0 |
| Hutchs Coldwater Camp | Coldwater | 25 | 0 | 0 |
| The Little Peoples Presch | Little Peoples | 25 | 0 | 0 |
| Wapello Res-eagle Point Recreation Area | County of Wayne | 25 | 0 | 0 |
| Lebanon Baptist Church | Baptist Church | 25 | 0 | 0 |
| Big Lake Baptist Church | Baptist Church | 25 | 0 | 0 |
| The Warehouse | The Warehouse | 25 | 0 | 0 |
| Johnson Shell | Johnson Shell | 25 | 0 | 0 |
| R L Smith Quick Shop Inc | Smith Quick Sho | 25 | 0 | 0 |
| Davis Camp | Davis Camp | 25 | 0 | 0 |
| Eagle Sky Of The Ozarks | County of Wayne | 25 | 0 | 0 |
| Clearwater Stores Inc | County of Wayne | 25 | 0 | 0 |