| AUBREY HIGH SCHOOL AUDITORIUM ADDITION AND BAND CHOIR RENO | Water | 2 | — | — | No Violation Identified |
| AUBREY ISD - BROCKETT ELEMENTARY SCHOOL ADDITIONS | Water | — | — | — | No Violation Identified |
| AUBREY WWTP | Water, Drinking water | 1 | — | — | Violation Identified |
| BCS SWITCHGEAR | Hazardous waste | — | — | — | No Violation Identified |
| BLACK ROCK WSC-PLANT 1 - S ROCK HILL RD | Drinking water | — | — | — | No Violation Identified |
| CASTLEROCK COMMUNITIES - HIGHMEADOW VILLAGE | Water | — | — | — | No Violation Identified |
| CHAPARRAL CENTER | Water | — | — | — | No Violation Identified |
| CHAPARRAL CENTER ONSITE | Water | — | — | — | No Violation Identified |
| CITY OF AUBREY MS4 | Water | — | — | — | No Violation Identified |
| CITY OF GUNTER-PLANT - WELL 3 - 205 N 4TH ST | Drinking water | — | — | — | No Violation Identified |
| CONCRETE BATCH PLANT SUPPORTING ASPEN MEADOWS | Water | — | — | — | No Violation Identified |
| CONCRETE BATCH PLANT SUPPORTING ASPEN MEADOWS PHASE 2 | Water | — | — | — | No Violation Identified |
| CONCRETE BATCH PLANT SUPPORTING HIGH POINTE RANCH | Water | — | — | — | No Violation Identified |
| CONCRETE BATCH PLANT SUPPORTING SUTTON FIELDS EAST | Water | — | — | — | No Violation Identified |
| CONCRETE BATCH PLANT SUPPORTING WINN RIDGE PHASE 3B-1 | Water | — | — | — | No Violation Identified |
| DEL WEBB AT UNION PARK AMENITY CENTER | Water | — | — | — | No Violation Identified |
| DENTON ISD TRANSPORTATION FACILITY - EAST | Water | — | — | — | No Violation Identified |
| DENTON SAND FARM | Water | 1 | — | — | No Violation Identified |
| FM 2931 SILVERADO STEEL LATERAL | Water | — | — | — | No Violation Identified |
| FOREE RANCH 2 GAS LATERAL | Water | — | — | — | No Violation Identified |
| FOREE RANCH PH 1 BATCH PLANT | Water | — | — | — | No Violation Identified |
| FOREE RANCH PH 2 BATCH PLANT | Water | — | — | — | No Violation Identified |
| HIGH POINTE RANCH PHASE 4A | Water | — | — | — | No Violation Identified |
| HIGHPOINTE RANCH EAST - LAND DEVELOPMENT | Water | — | — | — | No Violation Identified |
| HUGGHINS DEVELOPMENT GROUP | Water | — | — | — | No Violation Identified |
| IKE BYROM ROAD PROPERTY | Water | — | — | — | No Violation Identified |
| IKE BYROM ROAD PROPERTY | Water | — | — | — | No Violation Identified |
| KRUGERVILLE CONCRETE BATCH PLANT | Water | — | — | — | No Violation Identified |
| LAKE LIMESTONE CAMPGROUND AND MARINA-PLANT - FM 1512 | Drinking water | — | — | — | Significant Violation |
| LAKEVIEW WATER COOP-PLANT - RUNNING BEAR LN | Drinking water | — | 1 | — | Significant Violation |
| LOYD EXCAVATION SITE | Water | — | — | — | No Violation Identified |
| MARILEE ELMONT-PLANT - 7242 FARMINGTON RD / WELL D | Drinking water | — | — | — | No Violation Identified |
| MOMEMTUM TECHNOLOGIES | Hazardous waste | 1 | — | — | No Violation Identified |
| MUSTANG 189 WWTP | Water | — | — | — | No Violation Identified |
| MUSTANG SUD-PLANT 5 - FM 455, PILOT POINT | Water, Drinking water | 1 | — | — | Violation Identified |
| NORTEX PLANT 1 | Water | — | — | — | No Violation Identified |
| PALOMINO - LAND DEVELOPMENT | Water | — | — | — | No Violation Identified |
| PORTABLE TRENCH BURNER | Air | — | — | — | No Violation Identified |
| SANDBROCK RANCH P7 BATCH PLANT AND PAVING | Water | — | — | — | No Violation Identified |
| SANDBROCK WWTP | Water | 1 | — | — | Violation Identified |
| SERVICE STREET AUTO - UNION | Water | — | — | — | No Violation Identified |
| SPRINGHILL WATER RESOURCE RECLAMATION FACILITY | Water | — | — | — | No Violation Identified |
| SUTTON FIELDS EAST 4229P BATCH PLANT | Water | — | — | — | No Violation Identified |
| SUTTON FIELDS PH 5&7 BATCH PLANT | Water | — | — | — | No Violation Identified |
| TOM HARPOOL REGIONAL WATER TREATMENT PLANT EXPANSI | Water | — | — | — | No Violation Identified |
| TXDOT DAL 0817-01-025 FM 428 PECAN CREEK | Water | — | — | — | No Violation Identified |
| TXDOT DAL 1315-01-028 FM 1385 | Water | — | — | — | No Violation Identified |
| UPPER TRINITY REGIONAL WATER DISTRICT RIVERBEND WWTP | Water | — | — | — | No Violation Identified |
| UPPER TRINITY TOM HARPOOL REGIONAL WATER TREATMENT PLANT | Water | — | — | — | Significant Violation |
| UTRWD PENINSULA REGIONAL WATER RECLAMATION PLANT | Water | — | — | — | No Violation Identified |
| WASTEWATER TREATMENT PLANT EXPANSION TO 2.25 MGD | Water | — | — | — | No Violation Identified |
| WINN RIDGE SOUTH P1 - BATCH PLANT AND PAVING | Water | — | — | — | No Violation Identified |