| ALDRIDGE MASS ELECTRIC JOINT VENTURE (AMJV) - RAYVILLE LAYDOWN YARD | Water | — | — | — | No Violation Identified |
| AMRIZE SOUTH CENTRAL INC - FRANKLIN FARMS TEMPORARY CONCRETE BATCH PLANT | Water | — | — | — | Violation Identified |
| ARK PROPERTIES OF NORTH LOUISIANA LLC - CASTON ESTATES | Water | — | — | — | Unknown |
| AUTOZONE #3054 | Hazardous waste | — | — | — | No Violation Identified |
| BACCARAT POINT PROPERTIES LLC | Water | — | — | — | Unknown |
| BAYOU HOLDINGS GROUP LLC - HOLLY RIDGE PHASE 1 | Water | — | — | — | Unknown |
| BCC DETENTION CENTER WS | Drinking water | — | — | — | Violation Identified |
| BEE AND R BELLO LLC - BELLO RV PARK | Water | — | — | — | Unknown |
| BENS BODY SHOP INC | Hazardous waste | — | — | — | No Violation Identified |
| BOBS RPR SVC | Hazardous waste | — | — | — | No Violation Identified |
| BREAK RENTALS LLC - D&B PARK | Water | — | — | — | Unknown |
| BROOKSHIRES 111 | Hazardous waste | — | — | — | No Violation Identified |
| CORNER BODY SHOP | Hazardous waste | — | — | — | No Violation Identified |
| COTTON PATCH RV PARK LLC - COTTON PATCH RV PARK | Water | — | — | — | Unknown |
| CROP PRODUCTION SERVICES 4502 | Hazardous waste | — | — | — | No Violation Identified |
| CYPRESS BRAKE RV PARK LLC - CYPRESS BRAKE RV PARK | Water | — | — | — | Unknown |
| DELHI TOWN OF - DELHI RICHLAND DATA CENTER - TEMPORARY WWTP | Water | — | — | — | Unknown |
| DELTA RIDGE IMP INC | Hazardous waste | — | — | — | No Violation Identified |
| DOLLAR GENERAL #2492 | Hazardous waste | — | — | — | No Violation Identified |
| DOLLAR GENERAL STORE #19972 | Hazardous waste | — | — | — | No Violation Identified |
| DPR CONSTRUCTION A GENERAL PARTNERSHIP - SUCRE PACKAGE 3-RAYVILLE LOUISIANA | Water | — | — | — | Unknown |
| DPR CONSTRUCTION, A GENERAL PARTNERSHIP - SUCRE PACKAGE 3 | Water | — | — | — | No Violation Identified |
| ENTERGY LOUISIANA LLC - FRANKLIN FARMS POWER STATION (FFPS) | Air, Hazardous waste | — | — | — | No Violation Identified |
| ENTERGY LOUISIANA LLC - SMALLING SUBSTATION TRANSMISSION LINES PROJECT | Water | — | — | — | No Violation Identified |
| ENTERGY LOUISIANA, LLC - SMALLING SUBSTATION TRANSMISSION LINES PROJECT | Water | — | — | — | No Violation Identified |
| EVANS OIL COMPANY LLC - S MART 1 | Water | — | — | — | Violation Identified |
| EVEST LLC - PROJECT CYPRESS: CIVIL ENABLEMENTS | Water | — | — | — | No Violation Identified |
| EVEST,LLC - PROJECT CYPRESS | Water | — | — | — | No Violation Identified |
| FIVE OAKS INVESTMENTS LLC - FIVE OAKS INVESTMENTS | Water | — | — | — | Unknown |
| FIVE-S GROUP LLC – FIVE-S RF BORROW PIT | Water | — | — | — | Unknown |
| FIVE-S GROUP, LLC - FIVE-S RF BORROW PIT | Water | — | — | — | No Violation Identified |
| FORTY 1 FITNESS LLC - FORTY 1 FITNESS | Water | — | — | — | Unknown |
| FOUR POINT DYNAMICS LLC - CASTON LANDINGS | Water | — | — | — | Unknown |
| GARYS TIRE & ALIGNMENT | Hazardous waste | — | — | — | No Violation Identified |
| GLOVERS LLC - GLOVER'S DIRT FACILITY | Water | — | — | — | Unknown |
| HEAD 22 #1 ALT TANK BATTERY | Air | — | — | — | No Violation Identified |
| HEARTLAND FORD | Hazardous waste | — | — | — | No Violation Identified |
| HOLLOWAY LANDING LLC - HOLLOWAY LANDING | Water | — | — | — | Unknown |
| HOLLY RIDGE RV PARK LLC - HOLLY RIDGE RV PARK | Water | — | — | — | Unknown |
| HOLLY RIDGE SCHOOL | Water | — | — | — | No Violation Identified |
| HP INVESTMENTS, LLC OF TEXAS - DOLLAR GENERAL RAYVILLE | Water | — | — | — | No Violation Identified |
| JIM TAYLOR CHEVROLET | Hazardous waste | — | — | — | No Violation Identified |
| JIMMYS BODY SHOP | Hazardous waste | — | — | — | No Violation Identified |
| KADANT BLACK CLAWSON | Hazardous waste | — | — | — | No Violation Identified |
| KENNEDY RICE DRYERS LLC - GRAIN STORAGE & DRYING FACILITY | Air | — | — | — | No Violation Identified |
| LAIDLEY, LLC - PROJECT SUCRE-ECE PACKAGE 2 | Water | — | — | — | No Violation Identified |
| LAWSON EMPIRE ENTERPRISES LLC - LAWSON DUPLEXES | Water | — | — | — | Unknown |
| M.A MORTENSON COMPANY - PROJECT SUCRE - ECE PACKAGE 1 | Water | — | — | — | Unknown |
| M.A. MORTENSON COMPANY - PROJECT SUCRE:ECE PACKAGE 2 | Water | — | — | — | No Violation Identified |
| MAGNOLIA WATER UTILITY OPERATING COMPANY, LLC - ELYSIAN FIELDS WWTF | Water | — | — | — | No Violation Identified |
| MAMMOTH INDUSTRIES INC - HOLLY RIDGE LODGE & RV RESORT | Water | — | — | — | Significant Violation |
| MAMMOTH INDUSTRIES INC - MAMMOTH LODGE | Water | — | — | — | No Violation Identified |
| MAMMOTH INDUSTRIES, INC - HOLLY RIDGE LODGE & RV RESORT | Water | — | 1 | — | No Violation Identified |
| MDR GROUP ENTERPRISES INC - RAYVILLE ESTATES | Water | — | — | — | Unknown |
| MDR GROUP ENTERPRISES INC - SMALLING ESTATES | Water | — | — | — | Unknown |
| O'REILLY AUTO PARTS #5121 | Hazardous waste | 1 | — | — | No Violation Identified |
| PALMETTO ADDICTION RECOVERY CENTER INC. | Water | 1 | — | — | No Violation Identified |
| PECAN TREE RV LLC - PECAN TREE RV | Water | — | — | — | Unknown |
| PILOT TRAVEL CENTER #335 | Water, Hazardous waste | 1 | — | — | Violation Identified |
| PINNACLE AGRICULTURE DISTRIBUTION INC | Hazardous waste | — | — | — | No Violation Identified |
| PRODUCTIVE DIRT WORK LLC - RICHLAND PARISH RV PARK | Water | — | — | — | Unknown |
| PROGRESSIVE TRACTOR & IMPLEMENT CO. LLC | Water | — | — | — | No Violation Identified |
| R & L CARRIERS | Hazardous waste | — | — | — | No Violation Identified |
| RANDYS BODY SHOP | Hazardous waste | — | — | — | No Violation Identified |
| RANI, LLC: S-MART #4 | Water | — | — | — | Significant Violation |
| RAYVILLE BODY SHOP | Hazardous waste | — | — | — | No Violation Identified |
| RAYVILLE PRODUCERS COTTON GIN | Air | — | — | — | No Violation Identified |
| RAYVILLE, TOWN OF | Water | — | — | — | No Violation Identified |
| RETAIL AGRONOMY SOLUTIONS | Hazardous waste | — | — | — | No Violation Identified |
| RICHLAND PARISH DETENTION CENTER | Water | 1 | — | — | Significant Violation |
| RICHLAND PARISH INVESTMENTS LLC - RICHLAND PARISH RV PARK | Water | — | — | — | No Violation Identified |
| RICHLAND PH SCHOOL BOARD | Water | — | — | — | No Violation Identified |
| RIGHT SIDE ENTERPRISE LLC - RIGHT SIDE ENTERPRISE | Water | — | — | — | No Violation Identified |
| RIVER CITY READY MIX LLC - RAYVILLE RM | Water | — | — | — | Significant Violation |
| RIVER ROAD WATER WORKS INC | Water | — | — | — | No Violation Identified |
| RLAH1 LLC - 56 TRISLER ROAD | Water | — | — | — | Unknown |
| ROGERS SEPTIC SERVICE & DIRT WORK LLC | Water | — | — | — | No Violation Identified |
| SCOTT PETROLEUM CORPORATION - RAYVILLE RACK | Water | — | — | — | No Violation Identified |
| SECOND CHANCES REHAB CENTER LLC | Water | — | — | — | No Violation Identified |
| SHAW ASHLEY VENTURES LLC - BOGGY BAYOU RV PARK | Water | — | — | — | Unknown |
| SIMPLOT AB RETAIL, INC.- SIMPLOT GROWER SOLUTIONS:RAYVILLE | Water | — | 2 | $3,900 | Violation Identified |
| SOUTH START RV PARK LLC - SOUTH START RV PARK | Water | — | — | — | Unknown |
| SOUTHERN INDUSTRIAL CONTRACTORS LLC | Water | — | — | — | No Violation Identified |
| ST FRANCIS URGENT CARE - RAYVILLE | Hazardous waste | — | — | — | No Violation Identified |
| STANSBURY SEPTIC SERVICE | Water | — | — | — | No Violation Identified |
| STANSBURY SEPTIC SERVICE LLC | Water | — | — | — | No Violation Identified |
| STRICK-LEE BUSINESS LLC - BEE BAYOU RV PARK | Water | — | — | — | Unknown |
| TIC - THE INDUSTRIAL CO - FRANKLIN FARMS POWER STATION | Water | — | — | — | No Violation Identified |
| TIC - THE INDUSTRIAL COMPANY - FRANKLIN FARMS POWER STATION | Water | — | — | — | No Violation Identified |
| TOWN OF RAYVILLE WWTP | Water | 1 | 2 | — | Significant Violation |
| TRACTOR SUPPLY CO #2298 | Hazardous waste | — | — | — | No Violation Identified |
| TURNER CONSTRUCTION CO - SUCRE PACKAGE 3 - RAYVILLE LOUISIANA | Water | — | — | — | Unknown |
| TURNER CONSTRUCTION COMPANY - SUCRE PACKAGE 3- RAYVILLE LOUISIANA | Water | — | — | — | No Violation Identified |
| UTILITIES, INC OF LOUISIANA - RICHLAND HEIGHTS STP | Water | — | — | — | No Violation Identified |
| W TYLER HEATH FAMILY DENTISTRY | Hazardous waste | 1 | — | — | No Violation Identified |
| WALMART SUPERCENTER #1109 | Hazardous waste | — | — | — | No Violation Identified |
| WASTEWATER MANAGEMENT LLC - ELYSIAN FIELDS FACILITY | Water | — | 1 | — | No Violation Identified |
| WILLIAMSON DICKIE RAYVILLE #61 | Hazardous waste | — | — | — | No Violation Identified |
| WIT CONTRACTING OF FRANKLINTON LLC - ALAN THOMPSON ROAD CAMPSITE | Water | — | — | — | Unknown |