| ACADIANA CD FACILITY | Water | — | — | — | Violation Identified |
| ADVANCED LEARNING ACADEMY LLC - ADVANCED LEARNING ACADEMY | Water | — | — | — | Unknown |
| ALLEMAN ENGINE INC | Hazardous waste | — | — | — | No Violation Identified |
| AMERICAN WATER & SEWER, INC.-CANEBRAKE LANDING SUBDIVISION | Water | — | 1 | $1,000 | — |
| AQUA JET TECHNOLOGIES INC | Hazardous waste | — | — | — | No Violation Identified |
| BON TEMP TRUCKING INC | Hazardous waste | — | — | — | No Violation Identified |
| CAJUN OILSVC INC | Hazardous waste | — | — | — | No Violation Identified |
| CHOATES TRACTOR CTR INC | Hazardous waste | — | — | — | No Violation Identified |
| CHRIS' AUTO REPAIR SERVICES LLC | Water, Hazardous waste | — | — | — | No Violation Identified |
| CIRCLE K STORES, INC. | Water | — | — | — | No Violation Identified |
| COASTAL CHEMICAL CO LLC - MAURICE FACILITY | Air | — | — | — | No Violation Identified |
| COMET SVCS INC | Hazardous waste | — | — | — | No Violation Identified |
| CORE DEVELOPMENT & CONSTRUCTION LLC - PICARD FARMS PH 4 AND 5 | Water | — | — | — | No Violation Identified |
| D.R HORTON, INC-GULF COAST: MAGNOLIA LAKES | Water | — | — | — | No Violation Identified |
| D.R. HORTON INC - GULF COAST: COTTAGE COVE | Water | — | — | — | No Violation Identified |
| D.R. HORTON, INC-GULF COAST: PICARD FARMS | Water | — | — | — | No Violation Identified |
| DIRECTIONAL WIRELINE SVC | Hazardous waste | — | — | — | No Violation Identified |
| DLSD HOMES, LLC - AUTUMN PARK | Water | — | — | — | No Violation Identified |
| DOLLAR GENERAL #11615 | Hazardous waste | — | — | — | No Violation Identified |
| DOLLAR GENERAL STORE #22435 | Hazardous waste | — | — | — | No Violation Identified |
| DOWELL DIVISION OF SCHLUMBERGER TECHNOLOGY CORP | Water, Hazardous waste | — | — | — | No Violation Identified |
| DSLD HOMES, LLC - HUDSON YARDS | Water | — | — | — | No Violation Identified |
| DUNCAN RENTALS LLC | Water | — | — | — | Significant Violation |
| E.Z.N., LLC | Water | — | — | — | No Violation Identified |
| EDGE FORM, LLC | Water | — | — | — | No Violation Identified |
| FORMER MAURICE GAS PROCESSING PLANT | Hazardous waste | — | — | — | No Violation Identified |
| G & H COLLISION LLC | Hazardous waste | — | — | — | No Violation Identified |
| G.O.L. SHOOTING, LLC | Water | — | — | — | Significant Violation |
| GENERAL AUTO & TRANSMISSION SVC | Hazardous waste | — | — | — | No Violation Identified |
| GLENN LEGE CONSTRUCTION LLC - CAMELLIA FARMS | Water | — | — | — | No Violation Identified |
| GLENN LEGE CONSTRUCTION LLC - HIGHWAY 699 DIRT PIT (VPPJ) | Water | — | — | — | No Violation Identified |
| GLENN LEGE CONSTRUCTION LLC - AUTUMN PARK EXTENSION PHASE 1 | Water | — | — | — | No Violation Identified |
| GLENN LEGE CONSTRUCTION LLC -HUDSON YARDS, PHASE 3 | Water | — | — | — | No Violation Identified |
| GLENN LEGE CONSTRUCTION, LLC - PRAIRIE COVE: PHASE 3 | Water | — | — | — | No Violation Identified |
| H & G ASSOCIATES INC | Hazardous waste | — | — | — | No Violation Identified |
| HEART D FARM PROPERTIES LLC - STERLING SILVER STABLES | Water | — | — | — | No Violation Identified |
| HELPING HEARTS ACADEMY INC. | Water | — | — | — | No Violation Identified |
| KERRY M. SCHEXNAIDER INTERNAL MEDICINE GROUP LLC | Water | — | — | — | No Violation Identified |
| LAFAYETTE FIELD OPERATIONS CENTER | Water | — | — | — | Violation Identified |
| LELEUX EAST PRODUCTION FACILITY - ANDREW OIL & GAS FIELD | Air | 1 | 1 | $2,500 | No Violation Identified |
| MAGNOLIA WATER UTILITY OPERATING CO LLC - CANEBRAKE LANDING SUBDIVISION | Water | 1 | 1 | — | Violation Identified |
| MAGNOLIA WATER UTILITY OPERATING CO LLC - CANEBRAKE LANDING SUBDIVISION | Water | — | — | — | No Violation Identified |
| MAGNOLIA WATER UTILITY OPERATING CO., LLC- AUX CHENES SUBDIVISION | Water | — | 1 | — | No Violation Identified |
| MAGNOLIA WATER UTILITY OPERATING CO., LLC- COUNTRY TRAILS SUBDIVISION | Water | — | — | — | No Violation Identified |
| MAGNOLIA WATER UTILITY OPERATING CO., LLC- MAGNOLIA LAKES SUBDIVISION | Water | — | — | — | — |
| MAGNOLIA WATER UTILITY OPERATING CO., LLC- MAGNOLIA LAKES SUBDIVISION | Water | — | — | — | Violation Identified |
| MAURICE PRODUCTION FACILITY | Air | — | — | — | No Violation Identified |
| MAURICE, TOWN OF- WASTEWATER TREATMENT PLANT | Water | 1 | — | — | Violation Identified |
| MEAUX SVCS INC | Hazardous waste | — | — | — | No Violation Identified |
| MINI ME LEARNING ACADEMY OF MAURICE, LLC | Water | — | — | — | Significant Violation |
| MULTI-CHEM GROUP MAURICE LA FACILITY | Water, Hazardous waste | 1 | 1 | $5,950 | Violation |
| N VERMILLION HIGH SCHOOL | Hazardous waste | — | — | — | No Violation Identified |
| NATIONAL WATER INFRASTRUCTURE, LLC - VERMILION CHARTER SCHOOL | Water | — | — | — | No Violation Identified |
| NORTH MAURICE CENTRAL PRODUCTION FACILITY | Air | — | — | — | No Violation Identified |
| NORTH VERMILION WTP | Water | 1 | — | — | No Violation Identified |
| O'REILLY AUTO PARTS #6373 | Hazardous waste | — | — | — | No Violation Identified |
| PATRIOT CONSTRUCTION & INDUSTRIAL LLC - DIRT PIT | Water | — | — | — | Significant Violation |
| PETRO-TREAT CHEMICALS | Hazardous waste | — | — | — | No Violation Identified |
| PICARD FARMS LLC | Water | — | — | — | No Violation Identified |
| PICARD FARMS, LLC - HUDSON YARDS | Water | — | — | — | No Violation Identified |
| RED APPLE AT VERMILLION LLC- VERMILLION CHARTER SCHOOL 6-12 | Water | — | — | — | No Violation Identified |
| SAMMY'S COUNTRY STORE | Water | — | — | — | No Violation Identified |
| SEER INVESTMENTS LLC - SEER INVESTMENTS | Water | — | — | — | Unknown |
| STERLING RESOURCES SOUTH, LLC - STERLING CHRYSLER DODGE RAM JEEP SOUTH FACILITY | Water | — | — | — | Significant Violation |
| SUNNY AKERS FAMILY FARM LLC | Water | — | — | — | No Violation Identified |
| T7R INLAND WELDING SERVICES LLC | Water | — | — | — | No Violation Identified |
| TARGA LA OPERATING LLC - EAST END COMPRESSOR STATION | Air | 1 | — | — | No Violation Identified |
| TOWN OF MAURICE - SOUTH WWTP | Water | 1 | — | — | Violation Identified |
| TOWN OF MAURICE WATER SYSTEM-TREATMENT PLANT | Drinking water | — | — | — | No Violation Identified |
| TRAIL'S END TRAILER PARK LLC | Water | — | — | — | No Violation Identified |
| UPPER VERMILLION MANAGEMENT GROUP-CDL, LLC: PRARIE COVE, PHASE 3 | Water | — | — | — | No Violation Identified |
| VERMILION PARISH SCHOOL BOARD- NORTH VERMILION MIDDLE/HIGH SCHOOL | Water | 1 | — | — | No Violation Identified |
| VERMILION WATERWORKS DISTRICT 1-TREATMENT PLANT #2 - ESTHER AREA | Drinking water | — | — | — | No Violation Identified |
| VILLAGE OF MAURICE WTP | Water | 1 | — | — | No Violation Identified |
| WEST TECH ENERGY INC -MAURICE FACILITY | Water | — | — | — | Unknown |
| WET TECH ENERGY INC. | Water | — | — | — | Significant Violation |