Environmental compliance records in Katy, TX — page 1 of 2
339 active facilities in Katy hold an EPA air, water or hazardous-waste identifier. The most common industries: Retail Trade (32), Construction (29), Manufacturing (24). 14 had a formal enforcement action in the last five years.
1 (04913-1000 K…) · 2 (TOMPKINS RES…)
| Facility | Programs | Inspections (5 yr) | Formal actions (5 yr) | Penalties (5 yr) | Compliance status |
|---|---|---|---|---|---|
| 04913-1000 KATY SAMS CLUB | Water | — | — | — | No Violation Identified |
| 2018 RENOVATIONS TO WALKER ELEMENTARY SCHOOL | Water | — | — | — | No Violation Identified |
| 700 DEERFIELD KATY LP | Water | — | — | — | No Violation Identified |
| 99 CENTS ONLY STORES DISTRIBUTION CENTER | Water | — | — | — | No Violation Identified |
| ALLIED - PLANT 11 KATY | — | — | — | — | — |
| AMAZONCOM SERVICES DH07 | Water, Hazardous waste | — | — | — | No Violation Identified |
| AMAZONCOM SERVICES HOU3 | Hazardous waste | — | — | — | No Violation Identified |
| AMAZONCOM SERVICES HOU5 | Water, Hazardous waste | — | — | — | No Violation Identified |
| AMAZONCOMKYDC HOU3 | Water | — | — | — | No Violation Identified |
| AMERICAN CLEANERS | Hazardous waste | — | — | — | No Violation Identified |
| AMERICAN FURNITURE WAREHOUSE - KATY | Water | — | — | — | No Violation Identified |
| ASM - LONGENBAUGH | Water | — | — | — | No Violation Identified |
| AURELIA TECHNOLOGIES | Water | — | — | — | No Violation Identified |
| AURORA WASTEWATER TREATMENT FACILITY | Water | 2 | — | — | No Violation Identified |
| AVEX - LAND DEVELOPMENT | Water | — | — | — | No Violation Identified |
| BAKER STEEL | Water | — | — | — | No Violation Identified |
| BAKER STEEL | Water | — | — | — | No Violation Identified |
| BERGAMO VISTA LIFT STATION | Water | — | — | — | No Violation Identified |
| BIHNER HOLDINGS-PLANT - 2551 KATY FORT BEND RD | Drinking water | — | — | — | Inactive |
| BING SOUTH APARTMENTS | Water | — | — | — | No Violation Identified |
| BOARDWALK DISTRICT TRAILS PHASE 3 | Water | — | — | — | No Violation Identified |
| BONSAL AMERICAN INC | Water, Hazardous waste | — | — | — | No Violation Identified |
| CAMERON DRILLING SYSTEMS BROOKSHIRE | Water | — | — | — | No Violation Identified |
| CAMERON ELASTOMER TECH | Hazardous waste | 1 | — | — | No Violation Identified |
| CAMERON INTERNATIONAL-PLANT - 29501 KATY FWY | Drinking water | — | — | — | No Violation Identified |
| CANE ISLAND BUSINESS CENTER | Water | — | — | — | No Violation Identified |
| CARMAX 7295 | Hazardous waste | — | — | — | No Violation Identified |
| CEMEX CONSTRUCTION MATERIALS SOUTH LLC - KATY | Water | — | — | — | No Violation Identified |
| CENTERPOINT ENERGY - KATY-FREEMAN | Water | — | — | — | No Violation Identified |
| CENTERPOINT ENERGY HOUSTON ELECTRIC LLC | Hazardous waste | — | — | — | No Violation Identified |
| CENTURY ASPHALT - KATY PLANT | Water | — | — | — | No Violation Identified |
| CHANTICOR SERIES-PLANT | Drinking water | — | — | — | Violation Identified |
| CHASE BANK - KATY MARKETPLACE | Water | — | — | — | No Violation Identified |
| CHEMICO INTERNATIONAL, INC. | — | — | 1 | — | — |
| CHRISTIAN BROTHERS - TRAINING FACILITY | Water | — | — | — | No Violation Identified |
| CINCO CENTRAL WASTEWATER TREATMENT PLANT | Water | — | — | — | No Violation Identified |
| CINCO MUD 1 RO PLANT | Water | 1 | — | — | No Violation Identified |
| CINCO RANCH SOUTH WWTP | Water | 2 | — | — | No Violation Identified |
| CINCO SOUTHWEST MUD 1 WWTP | Water | — | — | — | No Violation Identified |
| CINCO SOUTHWEST WWTP | Water | 3 | 3 | $116,750 | No Violation Identified |
| CITY OF KATY - 5TH STREET ASPHALT OVERLAY | Water | — | — | — | No Violation Identified |
| CITY OF KATY - FY 2026 EAST 4TH STREET & AIRLINE D | Water | — | — | — | No Violation Identified |
| CITY OF KATY - HEIGHTS AIRLINE AND DREXEL DRAINAGE IMPROV | Water | — | — | — | No Violation Identified |
| CITY OF KATY - PUBLIC WORKS COMPLEX | Water | — | — | — | No Violation Identified |
| CITY OF KATY MS4 PUBLIC WORKS | Water | — | — | — | No Violation Identified |
| CITY OF KATY WASTE WATER TREATMENT PLANT | Water | — | — | — | No Violation Identified |
| CITY OF KATY WASTEWATER TREATMENT PLANT | Water | 3 | — | — | No Violation Identified |
| COLONIAL PLAZA | Water | — | — | — | No Violation Identified |
| COMPUTER KIDS PRESCHOOL-PLANT - 2911 S SAM HOUSTON PKWY E | Drinking water | — | 1 | — | Significant Violation |
| CORNERSTONES MUNICIPAL UTILITY DISTRICT WATER WELL NO 2 | Water | — | — | — | No Violation Identified |
| COSTCO WAREHOUSE CW 23-0448 | Water | — | — | — | No Violation Identified |
| COSTCO WHOLESALE 1167 | Hazardous waste | — | — | — | No Violation Identified |
| COSTCO WHOLESALE WAREHOUSE DEPOT | Water | — | — | — | No Violation Identified |
| COTTON COMMERCIAL USA | Hazardous waste | — | — | — | No Violation Identified |
| CROSS CREEK RANCH WWTP 70048 | Water | — | — | — | No Violation Identified |
| CUNNINGHAM TRACT | Water | — | — | — | No Violation Identified |
| CVS PHARMACY # 10952 | Hazardous waste | — | — | — | No Violation Identified |
| CVS PHARMACY #11098 | Hazardous waste | — | — | — | No Violation Identified |
| CVS PHARMACY #1996 | Hazardous waste | — | — | — | No Violation Identified |
| CVS PHARMACY 3573 | Hazardous waste | — | — | — | No Violation Identified |
| CY FAIR FIRE STATION NO 15 | Water | — | — | — | No Violation Identified |
| CYPRESS LAKES HIGH SCHOOL | Water | — | — | — | No Violation Identified |
| DR PATEL MEDICAL OFFICE BUILDING | Water | — | — | — | No Violation Identified |
| DRY CREEK VILLAGE SECTION 2 | Water | — | — | — | No Violation Identified |
| DRY CREEK VILLAGE SECTION 2 | Water | — | — | — | No Violation Identified |
| DURYEA ELEMENTARY SCHOOL | Water | — | — | — | No Violation Identified |
| DXP ENTERPRISES | Water | — | — | — | No Violation Identified |
| DYNA DRILL TECHNOLOGIES LLC | Water, Hazardous waste | 1 | — | — | No Violation Identified |
| EAST WALLER COUNTY MANAGEMENT DISTRICT | Water | — | — | — | No Violation Identified |
| EDGECONNEX HOUSTON HOLDINGS, LLC | Hazardous waste | — | — | — | No Violation Identified |
| EL BUEN PASTOR BAPTIST CHURCH-PLANT - 24525 CLAY RD | Drinking water | — | — | — | Violation Identified |
| ELECTRIC PICKLE | Water | — | — | — | No Violation Identified |
| ELLATAIR LIMITED LIABILITY COMPANY | — | — | 1 | — | — |
| ELYSON | Water | — | — | — | No Violation Identified |
| ELYSON BOULEVARD AND ELYSON LAKES DRIVE STREET DEDICATION | Water | — | — | — | No Violation Identified |
| ELYSON SECTION 55 & 56 | Water | — | — | — | No Violation Identified |
| ENCOMPASS HEALTH KATY REHABILITATION HOSPITAL | Water | — | — | — | No Violation Identified |
| ENERGY CAPITAL CREDIT UNION | Water | — | — | — | No Violation Identified |
| ENERGY RECOVERY | Water | — | — | — | No Violation Identified |
| ENVENTURE GLOBAL TECHNOLOGY SHOP FACILITY IN KATY | Water | — | — | — | No Violation Identified |
| EXXON COMPANY USA-KATY GAS PLANT | Hazardous waste | — | — | — | No Violation Identified |
| EXXON CORPORATION | Air | — | — | — | No Violation Identified |
| EXXON CORPORATION | Air | — | — | — | No Violation Identified |
| EXXON CORPORATION | Air | — | — | — | No Violation Identified |
| EXXON CORPORATION | Air | — | — | — | No Violation Identified |
| EXXON CORPORATION | Air | — | — | — | No Violation Identified |
| EXXON CORPORATION | Air | — | — | — | No Violation Identified |
| FALLS AT GREEN MEADOWS DET FACILITY D AMENITY EXCAVATION | Water | — | — | — | No Violation Identified |
| FAMILY DOLLAR # 9090 | Hazardous waste | — | — | — | No Violation Identified |
| FAMILY DOLLAR #10354 | Hazardous waste | — | — | — | No Violation Identified |
| FAMILY DOLLAR #5085 | Hazardous waste | — | — | — | No Violation Identified |
| FAMILY DOLLAR #9027 | Hazardous waste | — | — | — | No Violation Identified |
| FAMILY LIFE ASSEMBLY OF GOD-PLANT - 24911 ROESNER LN | Drinking water | — | — | — | No Violation Identified |
| FARM STORE - MASON ROAD | Water | — | — | — | No Violation Identified |
| FIRETHORNE OFFICE CENTER | Water | — | — | — | No Violation Identified |
| FIRST GRAND PARKWAY COMMERCE CENTER BUILDINGS 1 & 2 | Water | — | — | — | No Violation Identified |
| FM 529 APARTMENTS | Water | — | — | — | No Violation Identified |
| FM 529 MIX USE DEVELOPMENT | Water | — | — | — | No Violation Identified |
| FORT BEND COUNTY MUD 124 WWTP | Water | 1 | — | — | No Violation Identified |
| FORT BEND COUNTY MUD 130 | Water | 1 | — | — | No Violation Identified |
| FORT BEND COUNTY MUD 185 WWTP | Water | 1 | — | — | Violation Identified |
| FORT BEND COUNTY MUD 34 | Water | — | — | — | No Violation Identified |
| FORT BEND COUNTY MUD 34 WWTP | Water | 1 | — | — | No Violation Identified |
| FORT BEND COUNTY MUD 34 WWTP | Water | — | — | — | No Violation Identified |
| FORT BEND COUNTY MUD 5-PLANT - BAND RD | Drinking water | — | — | — | No Violation Identified |
| FORT BEND COUNTY MUD 58 WWTP | Water | — | — | — | No Violation Identified |
| FORT BEND COUNTY MUD 81 WWTP | Water | 1 | — | — | No Violation Identified |
| FORT BEND COUNTY MUD NO 58 WWT | Water | — | — | — | No Violation Identified |
| FORT BEND COUNTY MUNICIPAL UTILITY DISTRICT NO 133 | Water | — | — | — | No Violation Identified |
| FRANZ ROAD APARTMENTS | Water | — | — | — | No Violation Identified |
| FROST BANK KATY - MASON | Water | — | — | — | No Violation Identified |
| FT BEND CO MUD 58 WWTF | Water | 2 | — | — | No Violation Identified |
| FUEL MAXX 12-PLANT - 4940 KATY HOCKLEY CUT OFF | Drinking water | — | — | — | No Violation Identified |
| FUEL MAXX 49 C STORE | Water | — | — | — | No Violation Identified |
| G & S CONCRETE BATCH PLANT | Water | — | — | — | Unknown |
| G2G LOGISTICS | Hazardous waste | — | — | — | No Violation Identified |
| GAP CLEANERS | Hazardous waste | — | — | — | No Violation Identified |
| GCSM PLANT 8 | Water | — | — | — | No Violation Identified |
| GRACE FELLOWSHIP CHURCH ADDITION | Water | — | — | — | No Violation Identified |
| GRAND PARKWAY INDUSTRIAL PARK | Water | 1 | 1 | $24,000 | No Violation Identified |
| GREEN DUETZ ACI 1R2458 | Air | — | — | — | No Violation Identified |
| GREENHOUSE ROAD APARTMENTS | Water | — | — | — | No Violation Identified |
| GULF COAST KATY PLANT | Water | — | — | — | No Violation Identified |
| GWW-OILFIELD TESTING & CONSULTING LABORATORY | Water | — | — | — | No Violation Identified |
| HARMONY SCHOOL OF EXCELLENCE | Water | — | — | — | No Violation Identified |
| HARMONY SCHOOL OF INNOVATION - KATY | Water | — | — | — | No Violation Identified |
| HARMONY SCIENCE ACADEMY-KATY ADDITION & SITE IMPS | Water | — | — | — | No Violation Identified |
| HARRIS CO MUD 105 WWTP | Water | 2 | — | — | Violation Identified |
| HARRIS CO MUD 71 WWTP | Water | 1 | — | — | Violation Identified |
| HARRIS COUNTY LEADERSHIP ACADEMY WWTP | Water | 1 | 1 | $7,500 | No Violation Identified |
| HARRIS COUNTY MUD 157 WWTP | Water | — | — | — | No Violation Identified |
| HARRIS COUNTY MUD 167 WWTP | Water | 3 | — | — | No Violation Identified |
| HARRIS COUNTY MUD 171 WATER PLANT NO 2 PHASE 3 EXPANSION | Water | — | — | — | No Violation Identified |
| HARRIS COUNTY MUD 171 WWTP | Water | 2 | — | — | Violation Identified |
| HARRIS COUNTY MUD 238 WWTP | Water | 3 | — | — | No Violation Identified |
| HARRIS COUNTY MUD 284 WWTP | Water | 1 | 1 | $3,375 | No Violation Identified |
| HARRIS COUNTY MUD 432 WWTP | Water | 1 | 1 | $8,364 | No Violation Identified |
| HARRIS COUNTY MUD 449 WWTP | Water | 1 | — | — | Violation Identified |
| HARRIS COUNTY MUD 465 WWTP | Water | 1 | — | — | Violation Identified |
| HARRIS COUNTY MUD 495 WWTP 2 | Water | 1 | — | — | Violation Identified |
| HARRIS COUNTY MUD 536 | Water | 2 | 1 | $20,000 | No Violation Identified |
| HARRIS COUNTY MUD 71 | Water | — | — | — | No Violation Identified |
| HARRIS COUNTY MUD NO 105 - WASTE WATER TREATMENT FACILITY E | Water | — | — | — | No Violation Identified |
| HARRIS COUNTY MUD NO 539 WWTP | Water | — | — | — | No Violation Identified |
| HARRIS COUNTY MUNICIPAL UTILITY DISTRICT NO 438 WWTP | Water | 1 | — | — | Violation Identified |
| HARRIS COUNTY MUNICIPAL UTILITY DISTRICT NO 495 WWTP | Water | 1 | — | — | Violation Identified |
| HARRIS-FT.BEND CO MUD 5 WWTP | Water | 1 | — | — | No Violation Identified |
| HARTWOOD AT WINDSTONE | Water | — | — | — | No Violation Identified |
| HC MUD 127 WWTP | Water | — | — | — | No Violation Identified |
| HCFCD PROJ ID U501-07-00-E002 | Water | — | — | — | No Violation Identified |
| HCFCD PROJ ID U502-12-00-E001 | Water | — | — | — | No Violation Identified |
| HCMUD 171 WASTEWATER TREATMENT PLANT PHASE 3 | Water | — | — | — | No Violation Identified |
| HCMUD 171 WWTP | Water | — | — | — | No Violation Identified |
| HCMUD 62 WATER PLANT NO 2 C&G | Water | — | — | — | No Violation Identified |
| HCO MUD 171 WATER PLANT NO 2 | Water | — | — | — | No Violation Identified |
| HCO MUD 449 LIFT STATION 3 VENTANA LAKES | Water | — | — | — | No Violation Identified |
| HMSS PLANT - FM1463 | Water | — | — | — | No Violation Identified |
| HMSS PLANT - WEST ROAD | Water | — | — | — | No Violation Identified |
| HOME DEPOT STORE 534 | Hazardous waste | — | 2 | $285,363 | No Violation Identified |
| HOME DEPOT STORE 6107 | Hazardous waste | — | — | — | No Violation Identified |
| HOME DEPOT USA HD6561 | Water, Hazardous waste | — | 2 | $285,363 | No Violation Identified |
| HOU CSJ 3510-05-047 ETC | Water | — | — | — | No Violation Identified |
| HOUSTON METHODIST CONTINUING CARE HOSPITAL - EMERGENCY POWER | Water, Hazardous waste | — | — | — | No Violation Identified |
| HYDE PARK INDUSTRIAL DEVELOPMENT | Water | — | — | — | No Violation Identified |
| IGLOO PRODUCTS CORPORATION | Air, Water, Hazardous waste | 3 | — | — | Violation Identified |
| IN-N-OUT BURGER RESTAURANT KATY | Water | — | — | — | No Violation Identified |
| INVESTA TEXAS TECHNOLOGY CENTER | Hazardous waste | — | — | — | No Violation Identified |
| INVISTA TEXAS TECHNOLOGY CENTER | Hazardous waste | — | — | — | No Violation Identified |
| J & D OIL SERVICE | Hazardous waste | — | — | — | No Violation Identified |
| JASEK FARMS - LAND DEVELOPMENT | Water | — | — | — | No Violation Identified |
| JELEC KATY BUILDING JK2 | Water | — | — | — | No Violation Identified |
| JEWELL KATY BAGGING PLANT | Water | — | — | — | No Violation Identified |
| JIFFY LUBE STORE NO 1438 | Hazardous waste | — | — | — | No Violation Identified |
| JORDAN RANCH MARKET | Water | — | — | — | No Violation Identified |
| JOY CLEANERS | Hazardous waste | — | — | — | No Violation Identified |
| K-T BOLT MANUFACTURING | Hazardous waste | — | — | — | No Violation Identified |
| KAT ELITE CENTER | Water | — | — | — | No Violation Identified |
| KAT UNIVERSITY CENTER BLDG A B C & D | Water | — | — | — | No Violation Identified |
| KATY BOARDWALK DISTRICT | Water | — | — | — | No Violation Identified |
| KATY COMPRESSOR STATION | Air, Water | — | — | — | No Violation Identified |
| KATY COMPRESSOR STATION | Air | — | — | — | No Violation Identified |
| KATY COURT LIFT STATION NO 1 | Water | — | — | — | No Violation Identified |
| KATY CROSSING LIFT STATION | Water | — | — | — | No Violation Identified |
| KATY CROSSING WASTEWATER TREATMENT PLANT | Water | — | — | — | No Violation Identified |
| KATY EMERGENCY CARE CENTER HOUSTON METHODIST HOSP | Water | — | — | — | No Violation Identified |
| KATY FLEWELLEN RD | Water | — | — | — | No Violation Identified |
| KATY GRAND VILLAGE | Water | — | — | — | No Violation Identified |
| KATY HUB & STORAGE PLANT | Air | 5 | — | — | No Violation Identified |
| KATY ISD - RAINES HIGH SCHOOL EXPANSION | Water | — | — | — | No Violation Identified |
| KATY ISD - TRANSPORTATION & FUEL CENTER | Water | — | — | — | No Violation Identified |
| KATY ISD AG SCIENCE CENTER EXP- SITE CLEARING | Water | — | — | — | No Violation Identified |
| KATY ISD ELEMENTARY SCHOOL 49 | Water | — | — | — | No Violation Identified |
| KATY ISD PROPOSED TRANSPORTATION CENTER AND ELEMENTARY NO45 | Water | — | — | — | No Violation Identified |
| KATY JUNIOR HIGH SCHOOL BUILDING ADDITION AND RENOVATIONS | Water | — | — | — | No Violation Identified |
| KATY LAKES SECTION 4 WSD | Water | — | — | — | No Violation Identified |
| KATY LAKES SECTION 6 | Water | — | — | — | No Violation Identified |
| KATY PARKWAY MARKET PLACE PAD 1 | Water | — | — | — | No Violation Identified |
| KATY PH 2 BOARDWALK DISTRICT TRAILS | Water | — | — | — | No Violation Identified |
| KATY PLANT | Water | — | — | — | No Violation Identified |
| KATY RETAIL CENTER | Water | — | — | — | No Violation Identified |
| KATY RETAIL CENTER | Water | — | — | — | No Violation Identified |
| KATY SCRAP METAL | Water | — | — | — | No Violation Identified |
| KATY SERVICE CENTER | Water | — | — | — | No Violation Identified |
| KELSEY SEYBOLD MORTON RANCH CLINIC | Water | — | — | — | No Violation Identified |
| KELSEY-SEYBOLD WEST GRAND PARKWAY CLINIC | Hazardous waste | — | — | — | No Violation Identified |
| KINDER MORGAN TEXAS PIPELINE KATY STATION 553 | Air | 5 | — | — | No Violation Identified |
| KINGSLAND BAPTIST CHURCH | Water | — | — | — | No Violation Identified |
| KINGSLAND KATY PLAZA | Water | — | — | — | No Violation Identified |
| KNIGHT TRANSPORTATION | Water | — | — | — | No Violation Identified |
| KNUST GODWIN-PLANT - 28825 KATY BROOKSHIRE | Drinking water | — | — | — | Violation Identified |
| KOY CONCRETE KATY PLANT | Water | — | — | — | No Violation Identified |
| KROGER #121-34 | Hazardous waste | — | — | — | No Violation Identified |
| KROGER #122-34 | Hazardous waste | — | — | — | No Violation Identified |
| KROGER #146-34 | Hazardous waste | — | — | — | No Violation Identified |
| KROGER #336-34 | Hazardous waste | — | — | — | No Violation Identified |
| KROGER #378-34 | Hazardous waste | — | — | — | No Violation Identified |
| KROGER #733-34 | Hazardous waste | — | — | — | No Violation Identified |
| KT GALVANIZING KATY | Water, Hazardous waste | — | — | — | No Violation Identified |
| LAKE HOUSE WWTP | Water | 1 | 1 | $42,625 | Violation Identified |
| LAKES OF CANE ISLAND | Water | — | — | — | No Violation Identified |
| LAKES OF FAIRHAVEN WWTP | Water | 1 | — | — | No Violation Identified |
| LIBERTY CLEANERS | Hazardous waste | — | — | — | No Violation Identified |
| LITTLE PRONG CREEK SLOPE REPAIR & STORM OUTFALL REPLACEMENT | Water | — | — | — | No Violation Identified |
| LIUGONG CONSTRUCTION MACHINERY CO. | Air | — | — | — | No Violation Identified |
| LONESTAR AUTO PARTS DBA EGR-PARTS.COM | — | — | 1 | $240,000 | — |
| LONGVIEW PARKSIDE APARTMENTS | Water | — | — | — | No Violation Identified |
| LOWES OF CINCO RANCH 3306 | Hazardous waste | — | 2 | $141,730 | No Violation Identified |
| MARKET AT KATY PARK | Water | — | — | — | No Violation Identified |
| MARKET AT KATY PARK | Water | — | — | — | No Violation Identified |
| MARKET AT KATY PARK PHASE II | Water | — | — | — | No Violation Identified |
| MARKET AT KATY PARK PUBLIC ROADWAY IMPROVEMENTS | Water | — | — | — | No Violation Identified |
| MEADOWS AT WESTFIELD VILLAGE SECTION 3 | Water | — | — | — | No Violation Identified |
| MEDLINE INDUSTRIES HOLDINGS | Hazardous waste | 1 | — | — | No Violation Identified |
| MEMORIAL HERMANN KATY HOSPITAL | Hazardous waste | 1 | — | — | No Violation Identified |
| MEMORIAL MUD WWTP | Water | — | — | — | No Violation Identified |
| MORTON RANCH APARTMENTS II | Water | — | — | — | No Violation Identified |
| MORTON ROAD MANUFACUTRED HOME SUBDIVISON WWTP | Water | 1 | — | — | No Violation Identified |
| MSI BRUSH BURNER | Air | — | — | — | No Violation Identified |
| NATIONAL IRON AND METAL LLC | Water | — | — | — | No Violation Identified |
| NOTTINGHAM COUNTRY MUNICIPAL UTILITY DISTRICT | Water | — | — | — | No Violation Identified |
| NOTTINGHAM COUNTRY WATER PLANT 3 | Water | — | — | — | No Violation Identified |
| NTB 745 | Hazardous waste | — | — | — | No Violation Identified |
| OASIS PIPE LINE CO TEXAS LP KATY STATION | Hazardous waste | — | — | — | No Violation Identified |
| OPTIMIZED PROCESS DESIGNS | Water | — | — | — | No Violation Identified |
| OPTIMIZED PROCESS DESIGNS INC | Hazardous waste | — | — | — | No Violation Identified |
| PARTNERS IN BUILDING- SEVEN | Water | — | — | — | No Violation Identified |
| PAVESTONE - KATY TX PLANT | — | — | — | — | — |
| PEEK II APARTMENTS | Water | — | — | — | No Violation Identified |
| PENSKE TRUCK LEASING CO., LP | Hazardous waste | — | — | — | No Violation Identified |
| PFP TECHNOLOGY | Water, Hazardous waste | — | — | — | No Violation Identified |
| PHARMSCRIPT OF TEXAS | Hazardous waste | — | — | — | No Violation Identified |
| PINE MILL RANCH FT BEND MUD 57 WWTP | Water | 1 | — | — | No Violation Identified |
| PIPELINE TECHNIQUE CRC EVANS - KATY FACILITY | Water | — | — | — | No Violation Identified |
| PLANT 11 | Water | — | — | — | No Violation Identified |
| PLANT 6 | Water | — | — | — | No Violation Identified |
| POINTSMITH POINT-OF-PURCHACE MANAGEMENT SERVICES | Water | — | — | — | No Violation Identified |
| PORTILLOS SITE WORK | Water | — | — | — | No Violation Identified |
| PROSE APARTMENTS AT FRANZ AND PORTER | Water | — | — | — | No Violation Identified |
| RAE ENERGY US | Water | — | — | — | No Violation Identified |
| RAM ALLOYS-PLANT - 18250 KEITH HARROW | Drinking water | — | — | — | Violation Identified |
| REGIONS BANK - MORTON RANCH | Water | — | — | — | No Violation Identified |
| ROADWAY RECON OF PORTER RD SEG 3 MORTON RANCH - HARRIS CO PC | Water | — | — | — | No Violation Identified |
| ROBERTSON | Water | — | — | — | No Violation Identified |
| RODEO TRAVEL CENTER-PLANT | Drinking water | — | — | — | No Violation Identified |
| RUSTIC GARDENS RV PARK-PLANT - 3239 I-45 | Drinking water | — | — | — | Violation Identified |
| SAFELITE FULFILLMENT INC DBA SAFELITE AUTOGLASS | Hazardous waste | — | — | — | No Violation Identified |
| SAMS CLUB 4764 | Hazardous waste | — | — | — | No Violation Identified |
| SCHLIPF ROAD PAVING | Water | — | — | — | No Violation Identified |
| SCHLUMBERGER TECHNOLOGY | Water, Hazardous waste | 1 | — | — | No Violation Identified |
| SER CONSTRUCTION PARTNERS | Water | — | — | — | No Violation Identified |
| SER CONSTRUCTION PARTNERS | Water | — | — | — | No Violation Identified |
| SHERWIN WILLIAMS STORE NO 7047 | Hazardous waste | — | — | — | No Violation Identified |
| SINOPEC TECH HOUSTON JRC | Hazardous waste | — | — | — | No Violation Identified |
| SMITH AUTO SALES | Water | — | — | — | No Violation Identified |
| SONORA INDUSTRIAL PARK-3618 CITYHILL RD | Drinking water | — | — | — | No Violation Identified |
| SPL KATY LAB | Hazardous waste | — | — | — | No Violation Identified |
| SPRING GREEN MEDICAL OFFICE | Water | — | — | — | No Violation Identified |
| SPRING GREEN RETAIL CENTER | Water | — | — | — | No Violation Identified |
| SS SL DRAINAGE IMPRVTS FOR FUTURE DEVELOPMENT | Water | — | — | — | No Violation Identified |
| ST LUKES APARTMENTS | Water | — | — | — | No Violation Identified |
| ST PETERS UNITED METHODIST CHURCH - WEST CAMPUS | Water | — | — | — | No Violation Identified |
| SUN LAKE VILLAGE - FILL SITE | Water | — | — | — | No Violation Identified |
| SUNTERRA | Water | — | — | — | No Violation Identified |
| SUNTERRA | Water | 1 | — | — | No Violation Identified |
| SUNTERRA RECREATION CENTER | Water | — | — | — | No Violation Identified |
| SUNTERRA RECREATION CENTER AND STREET DEDICATION | Water | — | — | — | No Violation Identified |
| SUNTERRA SECTION 47 WS&D | Water | — | — | — | No Violation Identified |
| SWEAD TS INC | Hazardous waste | — | — | — | No Violation Identified |
| TAMARRON WEST SECTION 12 & 13 | Water | — | — | — | No Violation Identified |
| TARGET STORE T1908 | Hazardous waste | — | — | — | No Violation Identified |
| TARGET STORE T2882 | Hazardous waste | — | — | — | No Violation Identified |
| TEPPCO CRUDE KATY STATION | Hazardous waste | — | — | — | No Violation Identified |
| THE GODDARD SCHOOL KATY TX | Water | — | — | — | No Violation Identified |
| THE GREEN AT KATY PARK | Water | — | — | — | No Violation Identified |
| THE KATY MEADOWS - PH 2 | Water | — | — | — | No Violation Identified |
| THE LETCO GROUP | Water | — | — | — | No Violation Identified |
| THE RESERVE - LAND DEVELOPMENT | Water | — | — | — | No Violation Identified |
| THORNTON MIDDLE SCHOOL | Water | — | — | — | No Violation Identified |
| TMEIC POWER ELECTRONICS PRODUCTS CORPORTAION | Water | — | — | — | No Violation Identified |
| TOMPKINS RESERVE | Water | — | — | — | No Violation Identified |
Alphabetical order — this site ranks no one. Figures as published by the EPA in ECHO for the last five years. Select a name for identifiers (EPA ID, NPDES, air), program-by-program status and the quarterly history. How to read this.