| Plain Dealing Town Of | Plain Dealing | 0.06 |
| Sewer District #2 Of Rapides Parish | Pineville | 0.06 |
| St Mary Parish Water & Sewer Commission #4 WWTP | Charenton | 0.06 |
| Calcasieu Parish. Sd # 11 WTP | Lake Charles | 0.06 |
| Village Of Choudrant WWTP | Choudrant | 0.06 |
| Newellton, Town Of | Newellton | 0.06 |
| Mermentau, Village Of -WWTP | Mermentau | 0.06 |
| Town Of Leonville WWTP | Arnaudville | 0.06 |
| Simsboro, Village Of | Simsboro | 0.06 |
| Town Of Mangham WWTP | Mangham | 0.06 |
| Town Of Marion | Marion | 0.06 |
| Town Of Sibley WWTF | Sibley | 0.05 |
| North Hodge, Village Of- North Hodge Sewer System | Hodge | 0.05 |
| Port Of Iberia WWTP | New Iberia | 0.05 |
| Deerfield WWTP | Alexandria | 0.05 |
| Town Of Sarepta - WWTP | Sarepta | 0.05 |
| Cloverdale Subd. WTP | Alexandria | 0.05 |
| Pleasant Hill, Village Of- Wastewater Treatment Facility | Pleasant Hill | 0.05 |
| Fisher/florien Wastewater Treatment Facility | Florien | 0.04 |
| Grundy Cooper Subdivision WWTP | Alexandria | 0.04 |
| Gilbert, Village Of- Sewage District 1 | Gilbert | 0.04 |
| Grant Parish Police Jury- South Grant WWTF | Pineville | 0.04 |
| City Of Opelousas - South Opelousas WWTP | Opelousas | 0.04 |
| Ascension Wastewater Treatment - River Highlands 1 Subdivision | French Settlement | 0.03 |
| Autumn Wind WWTP | Mandeville | 0.03 |
| Town Of Evergreen Water System-Polyphosphate Well 2 | Evergreen | 0.03 |
| Linwood Subdivision East | Opelousas | 0.03 |
| Clayton Wastewater Treatment Plant | Clayton | 0.03 |
| Cheneyville, Town Of (stp) | Cheneyville | 0.03 |
| Chatham Wastewater Treatment Facility | Chatham | 0.03 |
| East Mooringsport Water System | Mooringsport | 0.02 |
| Town Of St. Francisville WWTP | Saint Francisville | 0.02 |
| West Ouachita Industrial Park S.T.P. | West Monroe | 0.02 |
| Town Of Zwolle Water System-Tp #1 @ Elevated Tank | Zwolle | 0.02 |
| Sicily Island, Village Of WWTF | Sicily Island | 0.02 |
| Dry Prong, Town Of | Dry Prong | 0.02 |
| South Water Treatment Plant | Lafayette | 0.01 |
| Doyline Wastewater Treatment Facility | Doyline | 0.01 |
| Concordia Parish Sewerage District 1 | Ridgecrest | 0.0083 |
| Wyble Area Subdivision | Ville Platte | 0.008 |
| Rapides Parish Sewer Dist. #1 - Penny Drive | Alexandria | 0.0065 |
| Village Of Mer Rouge | Mer Rouge | 0.0064 |
| Town Of Wisner STP | Wisner | 0.0054 |
| Village Of Waterproof WWTP | Waterproof | 0.0046 |
| Lafayette Consolidated Govt | Lafayette | 0.0045 |
| Village Of Natchez STP | Natchez | 0.0041 |
| Community Of Independence WWTF | Saint Francisville | 0.0033 |
| Melville WWTP | Melville | 0.0027 |
| Cotton Valley, Town Of | Cotton Valley | 0.0023 |
| Penal Complex WWTP | Plain Dealing | 0.0016 |
| St James Parish Government - District 5 Senior Center | St. James | 0.0014 |
| Harrisonburg WWTF | Harrisonburg | 0.0012 |
| Estherwood, Village Of-Estherwood STP | Estherwood | 0.00095 |
| Village Of Albany | Albany | 0.00047 |
| South Mansfield, Village Of- South Mansfield WWTP | South Mansfield | 0.00023 |
| Plaquemines Parish Government- Empire Boat Harbor | Empire | 0.0002 |
| Dubach, Town Of | Dubach | 0.00012 |
| Town Of Vivian WWTF | Vivian | 0.00000039 |
| Erwinville WWTF | Port Allen | 0.000000092 |
| Downsville Wastewater Treatment Plant | Downsville | — |
| Jefferson Parish Dept Of Sewerage - Harv | Harvey | — |
| South Lake D'Arbonne WW Package Treatment Plant Addision | Farmerville | — |
| Terrebonne Ph Consolidated Gov | Houma | — |
| Tickfaw, Village Of- Wastewater Treatment Facility | Tickfaw | — |
| Town Of Eros STP | Eros | — |
| Town Of Sorrento STP | Sorrento | — |
| Wastewater Treatment Plant | Pineville | — |
