We found 57 public water systems that could serve the same population as Keystone State Park (ordered by population size).
| Name | Areas served | Population served | Contaminant count | Violation count |
|---|---|---|---|---|
| Tulsa | County of Tulsa | 471,000 | 57 | 7 |
| Tulsa Ab Jewell | County of Tulsa | 403,000 | 0 | 0 |
| Broken Arrow Municipal Authority | County of Tulsa | 98,850 | 31 | 33 |
| Washington Co Rwd #3 (new,#1) | Collinsville | 23,500 | 25 | 5 |
| Owasso | Owasso | 23,000 | 28 | 27 |
| Sand Springs | Sand Springs | 18,764 | 31 | 21 |
| Bixby Public Works Authority | Bixby | 18,750 | 37 | 6 |
| Jenks Pwa | County of Tulsa | 16,924 | 0 | 20 |
| Bixby Public Works Authority | County of Tulsa | 13,336 | 0 | 0 |
| Glenpool Water | County of Tulsa | 12,500 | 0 | 19 |
| Washington Rwd #3 (old) | County of Tulsa | 8,200 | 0 | 0 |
| Collinsville | County of Tulsa | 5,606 | 0 | 34 |
| Usaf Plant #3 | County of Tulsa | 3,276 | 0 | 0 |
| Sar Water Corp | County of Tulsa | 3,000 | 0 | 0 |
| Water Improvement District #3 | County of Tulsa | 2,475 | 0 | 16 |
| Tulsa Co W Imp Dist #14 | County of Tulsa | 1,400 | 0 | 2 |
| Tulsa Co Rwd #1 | County of Tulsa | 1,313 | 0 | 0 |
| Sperry | County of Tulsa | 1,200 | 0 | 14 |
| Riverbend Mhp | County of Tulsa | 500 | 0 | 27 |
| Tulsa Co Rwd#2 | County of Tulsa | 500 | 0 | 0 |
| Carriage Village | County of Tulsa | 500 | 0 | 10 |
| Fizz O Water Co | County of Tulsa | 500 | 0 | 0 |
| Safeway Stores Inc | County of Tulsa | 500 | 0 | 0 |
| Tulsa Co Rwd #2 | County of Tulsa | 467 | 0 | 0 |
| Hissom Memorial Center | County of Tulsa | 300 | 0 | 0 |
| Pecan Park Mhp | County of Tulsa | 300 | 0 | 0 |
| Shadow Valley Mhp | County of Tulsa | 260 | 0 | 25 |
| Skiatook W Waterline Ltd | County of Tulsa | 250 | 0 | 0 |
| Keystone Manor Suburban Acres | County of Tulsa | 240 | 0 | 0 |
| Southside Mobile Village | County of Tulsa | 225 | 0 | 4 |
| Lloyd E Rader Diagnostic Ctr | County of Tulsa | 214 | 0 | 0 |
| Tulsa Raceway Park | County of Tulsa | 200 | 0 | 0 |
| Sleepy Valley Mhp #2 | County of Tulsa | 165 | 0 | 2 |
| Collinsville Mhp | County of Tulsa | 150 | 0 | 0 |
| Riverview Rv Park | County of Tulsa | 140 | 0 | 10 |
| Tulsa Co Rwd #4 | County of Tulsa | 108 | 0 | 0 |
| Tulsa-spavinaw | County of Tulsa | 100 | 0 | 0 |
| Collinsville Mhp | County of Tulsa | 100 | 0 | 0 |
| Eagles View Rv Park South | County of Tulsa | 75 | 0 | 0 |
| Shady Acres (sub Div) | County of Tulsa | 75 | 0 | 0 |
| Skiatook | County of Tulsa | 63 | 0 | 0 |
| Hidden Valley Tp | County of Tulsa | 50 | 0 | 0 |
| Colonial Port Mhp | County of Tulsa | 50 | 0 | 0 |
| Sand Springs Skyline/81st Area | County of Tulsa | 50 | 0 | 0 |
| Fizz-o Water Co. | County of Tulsa | 50 | 0 | 0 |
| Harmony Brook Inc. | County of Tulsa | 50 | 0 | 0 |
| Coe Overlook (keystone) | County of Tulsa | 25 | 0 | 0 |
| Sandsprings Home | County of Tulsa | 25 | 0 | 0 |
| Coe Project Office (keystone) | County of Tulsa | 25 | 0 | 0 |
| Weer Day Care | County of Tulsa | 25 | 0 | 0 |
| Coe Brush Creek Pk | County of Tulsa | 25 | 0 | 0 |
| Keystone Boy Scout Camp | County of Tulsa | 24 | 0 | 0 |
| Sunny Acres Room & Board | County of Tulsa | 20 | 0 | 0 |
| Shadow Lake Park | County of Tulsa | 20 | 0 | 0 |
| Southwater Home For Girls | County of Tulsa | 20 | 0 | 0 |
| Kerr Country | County of Tulsa | 18 | 0 | 0 |
| Heatherwood Mhp | County of Tulsa | 12 | 0 | 0 |