| Magnolia-Pinnacle Place Subdivision | Des Peres, LA | 132 | 30 | - |
| Camp Joy Marina Water System | Haughton, LA | 132 | 61 | - |
| Lacombe-Mandeville Headstart | Robert, LA | 130 | 86 | - |
| US Forestry - Gum Springs | Winnfield, LA | 130 | 33 | - |
| Top Velocity | Covington, LA | 129 | 0 | - |
| St Joseph Abbey | St. Benedict, LA | 127 | 123 | - |
| St Tam Parish - Tamanend | Covington, LA | 125 | 0 | - |
| Exxonmobil Product Solutions-Resins | Baton Rouge, LA | 125 | 10 | - |
| Folger Coffee Co-Lacombe Distrib Cntr | New Orleans, LA | 125 | 0 | - |
| Glenwood Baptist Youth Camp | Folsom, LA | 125 | 8 | - |
| Colworth Place Water Supply | Keithville, LA | 123 | 4 | - |
| Barron Bayou Estates | Shreveport, LA | 123 | 24 | - |
| Utilities Inc - Oakridge | Mandeville, LA | 123 | 6 | - |
| Roddy Road Village Ascension, LLC | Milton, LA | 120 | 50 | - |
| Peaceful Pines MHP Water System | Shreveport, LA | 120 | 155 | - |
| Big Oaks Water System | Keithville, LA | 120 | 2 | - |
| Lakeview Estates Subd WS | Mandeville, LA | 120 | 105 | - |
| Utilities Inc -Bankston | Mandeville, LA | 120 | 4 | - |
| Happy Acres Mobile Home Park | Kokomo, LA | 120 | 63 | - |
| Biolab, Inc | Westlake, LA | 120 | 14 | - |
| Kinsey Scout Reservation Water System | Shreveport, LA | 120 | 31 | - |
| Weyerhaeuser Nr - Arcadia Osb | Simsboro, LA | 120 | 41 | - |
| Bayou Shrimp Processors Water System | Delcambre, LA | 120 | 21 | - |
| Lakeside RV Park | Minden, LA | 120 | 76 | - |
| Magnolia-Country Pines | Des Peres, LA | 117 | 33 | - |
| Starc Freamaux | Slidell, LA | 115 | 2 | - |
| Edwards Millcreek Water System | Bienville, LA | 114 | 228 | - |
| Diversion Water - Cypress Point | Prairieville, LA | 114 | 15 | - |
| Parkland Trailer Park Water System | Carencro, LA | 112 | 39 | - |
| Diversion Water - Cypress Lakes | Prairieville, LA | 111 | 15 | - |
| Linda Lane Water System | Keithville, LA | 111 | 23 | - |
| Magnolia-Jones Rolling Ridge | Des Peres, LA | 111 | 93 | - |
| Southeast Hodge Water System | Hodge, LA | 111 | 233 | - |
| Alma Plantation Ltd | Lakeland, LA | 111 | 57 | - |
| My Place Mobile Home Park Water System | New Iberia, LA | 111 | 159 | - |
| Pinnacle Polymers | Garyville, LA | 110 | 185 | - |
| Settled Inn Village Water System | Shreveport, LA | 108 | 73 | - |
| Cane View Mobile Home Village | Austin, LA | 108 | 57 | - |
| Lake Fausse Pointe Park Water System | St. Martinville, LA | 106 | 21 | - |
| East Park Subdivision Water System | Lake Charles, LA | 102 | 78 | - |
| Corollas Shopping Center | Mandeville, LA | 101 | 6 | - |
| Warnerton Quick Stop | Tylertown, LA | 101 | 18 | - |
| Magnolia-Dixie Garden-Kings Hwy | Des Peres, LA | 100 | 85 | - |
| Creek Place Apartments | Slidell, LA | 100 | 29 | - |
| Indian Hills Trailer Park | Slidell, LA | 100 | 72 | - |
| Magnolia-Beverly Heights | Des Peres, LA | 100 | 56 | - |
| Orleans Room | Gonzales, LA | 100 | 7 | - |
| Lake Charles Harbor & Terminal Coke Plnt | Lake Charles, LA | 100 | 35 | - |
| Crossfit Water System | Lake Charles, LA | 100 | 0 | - |
| Deltech Corporation | Baton Rouge, LA | 100 | 97 | Clean |