| Taylor, City Of | Taylor | 0.03 |
| Sulphur Rock WWTP | Sulphur Rock | 0.03 |
| Mitchellville, City Of | Mitchellville | 0.03 |
| Cotton Plant, City Of | Cotton Plant | 0.03 |
| Tillar, City Of | Tillar | 0.03 |
| Coal Hill, City Of-WWTP | Coal Hill | 0.02 |
| Magazine, City Of | Magazine | 0.02 |
| Rolling Hills Subdivision WWTP | Cabot | 0.02 |
| Pollard WWTP | Pollard | 0.02 |
| Mountainburg WWTP | Mountainburg | 0.02 |
| Horseshoe Bend - Paradise Acres STP | Horseshoe Bend | 0.02 |
| City Of Lepanto | Lepanto | 0.02 |
| Norphlet WWTP | Norphlet | 0.02 |
| Bonanza, Town Of | Bonanza | 0.02 |
| Hackett, City Of - Hackett WWTF | Hackett | 0.02 |
| Oppelo, City Of - Oppelo Municipal Sewage Treatment Plant | Oppelo | 0.02 |
| Alicia, City Of | Alicia | 0.02 |
| Van Buren Municipal Utilities, City Of - Lee Creek Industrial Park Trtmnt Plant | Van Buren | 0.02 |
| Huttig WWTP | Huttig | 0.02 |
| Tri-City Utilities, Inc. | O'Kean | 0.02 |
| Wilton WW Treatment Facility | Wilton | 0.02 |
| Norman, City Of | Norman | 0.01 |
| Knobel WWTP | Knobel | 0.01 |
| Lafe WWTP | Lafe | 0.01 |
| Saint Francis WWTP | St. Francis | 0.01 |
| Ravenden Springs WWTP | Ravenden Springs | 0.01 |
| Alpena Wastewater Treatment Facility | Alpena | 0.01 |
| Higginson, Town Of | Higginson | 0.01 |
| Tantara #1 D/b/a Boggy Bayou Sid | Pine Bluff | 0.01 |
| Maynard WWTP | Maynard | 0.01 |
| Lochridge Estates WWTP | Little Rock | 0.01 |
| Norfork, City Of - WW Treatment Plant | Norfork | 0.01 |
| Success WWTP | Success | 0.009 |
| Oxford Waterworks | Oxford | 0.0087 |
| Havana WWTP | Havana | 0.0084 |
| Almyra WWTP | Almyra | 0.0081 |
| Felsenthal, City Of | Felsenthal | 0.007 |
| Letona Sanitary Sewer | Letona | 0.0069 |
| Rockport, City Of - WWTF | Rockport | 0.0065 |
| Carson Bridge Treatment Plant | Lonoke | 0.006 |
| City Of St. Charles Stf | Saint Charles | 0.006 |
| Ulm WWTP | Ulm | 0.0043 |
| Keo, City Of | Keo | 0.004 |
| Heinke Road Property Owners Sewer Improvement District No. 34 | Mabelvale | 0.0038 |
| Portia Wastewater Treatment Plant | Portia | 0.0038 |
| Banks, City Of | Banks | 0.0031 |
| Ravenden Wastewater Treatment Facility | Ravenden | 0.0031 |
| Nimmons WWTP | Nimmons | 0.0029 |
| Tinsman, Ar Wastewater Treatment Facility | Hampton | 0.0028 |
| Suburbia Sid #1 | Pine Bluff | 0.0027 |
| Thornton, City Of | Thornton | 0.0022 |
| Amagon, City Of | Amagon | 0.0019 |
| Wilmot, City Of | Wilmot | 0.0017 |
| Russell Waterworks | Russell | 0.0014 |
| Cash WWTP | Cash | 0.0012 |
| Altus WWTP | Altus | 0.0004 |
| Edmondson, City Of | Edmondson | 0.0001 |
| Okolona, City Of - WWTP | Okolona | 0.00006 |
| 145th Street Water And Sewer Improvement District No. 345 Of Pulaski County | Little Rock | — |
| Arkansas City, City Of-WWTF | Arkansas City | — |
| Carthage WWTP | Carthage | — |
| Cherry Valley, City Of - Cherry Valley Sewage Treatment Plant | Cherry Valley | — |
| City Of Sedgwick - Arkansas | Sedgwick | — |
| Clinton West WW Treatment Facility | Clinton | — |
| Des Arc, City Of | Des Arc | — |
| Dewitt, City Of | Dewitt | — |
| Emmet, City Of | Emmet | — |
| Hampton, City Of | Hampton | — |
| Holly Grove, City Of | Holly Grove | — |
| Horseshoe Lake Wwt Facility | Horseshoe Lake | — |
| Lockesburg, City Of | Lockesburg | — |
| Newport, City Of - Airport/industrial Park | Newport | — |
| Parkin, City Of-WWTF | Parkin | — |
| Perrytown, City Of - WWTP | Perrytown | — |
| Portland, City Of WWTP | Portland | — |
| Strong WWTP | Strong | — |
| Turrell, City Of | Turrell | — |
| Wheatley, City Of | Wheatley | — |
