Environmental compliance records in Ontario, CA — page 9 of 10
2,831 active facilities in Ontario hold an EPA air, water or hazardous-waste identifier. The most common industries: Administrative and Support and Waste Management and Remediation Services (922), Manufacturing (413), Other Services (except Public Administration) (282). 27 had a formal enforcement action in the last five years.
1 (1004 W LA DE…) · 2 (950 N CUCAMO…) · 3 (BLACK OAK FO…) · 4 (CUSTOMIZED D…) · 5 (FOUNDRY SERV…) · 6 (JCM ENGINEER…) · 7 (MELISSA BALL…) · 8 (PERFORMANCE …) · 9 (SHERWIN WILL…) · 10 (VALLEY BRAKE…)
| Facility | Programs | Inspections (5 yr) | Formal actions (5 yr) | Penalties (5 yr) | Compliance status |
|---|---|---|---|---|---|
| SHERWIN WILLIAMS #1579 | Hazardous waste | — | — | — | No Violation Identified |
| SHERWIN WILLIAMS #721133 | Hazardous waste | — | — | — | No Violation Identified |
| SHERWIN WILLIAMS COMPANY | Water | — | — | — | — |
| SHERWIN WILLIAMS STORE #8182 | Hazardous waste | — | — | — | No Violation Identified |
| SHERWIN-WILLIAMS COMPANY #9810 | Hazardous waste | — | — | — | No Violation Identified |
| SHIBAURA MACHINE COMPANY AMERICA | Hazardous waste | — | — | — | No Violation Identified |
| SHOKER BROTHERS LLC (V-FUEL) | Hazardous waste | — | — | — | No Violation Identified |
| SHOP 709 CORP | Water | — | — | — | No Violation Identified |
| SHUBHADA MEHTA, D.D.S. | Hazardous waste | — | — | — | No Violation Identified |
| SIEGWERK ENVIRONMENTAL INKS & COATINGS LLC | Hazardous waste | — | — | — | No Violation Identified |
| SIERRA TORQUE CONVERTERS & SECONDARY | Hazardous waste | — | — | — | No Violation Identified |
| SIGN INDUSTRIES INC | Water, Hazardous waste | — | — | — | No Violation Identified |
| SILCO COATINGS COMPANY | Hazardous waste | — | — | — | No Violation Identified |
| SILVERTOWN PRODUCTS, INC | Hazardous waste | — | — | — | No Violation Identified |
| SIMMS SERVICE & REPAIR | Hazardous waste | — | — | — | No Violation Identified |
| SIMOES DAIRY - RIVERSIDE | Water | 1 | — | — | No Violation Identified |
| SIMPLE AUTO CARE INC | Hazardous waste | — | — | — | No Violation Identified |
| SIMS TRUCKING & BROKERAGE INC | Hazardous waste | — | — | — | No Violation Identified |
| SITE DEMO 9510 | Hazardous waste | — | — | — | No Violation Identified |
| SIXFIVE AUTOMOTIVE INC | Hazardous waste | — | — | — | No Violation Identified |
| SKY AIR 2.11.22 | Hazardous waste | — | — | — | No Violation Identified |
| SKY SYSTEMS CO INC | Water | 1 | — | — | No Violation Identified |
| SKYTEK MFG CO | Hazardous waste | — | — | — | No Violation Identified |
| SKYWEST AIRLINES INC | Hazardous waste | — | — | — | No Violation Identified |
| SMART & FINAL #408 | Hazardous waste | — | — | — | No Violation Identified |
| SMART WAREHOUSING LLC WH07 | Water | — | — | — | — |
| SMART WAREHOUSING LLC WH26 | Water | — | — | — | No Violation Identified |
| SMC LOGISTICS | Water | — | — | — | No Violation Identified |
| SMG-CITIZENS BUSINESS BANK ARENA | Hazardous waste | — | — | — | No Violation Identified |
| SO CAL AUTO | Hazardous waste | — | — | — | No Violation Identified |
| SO CAL EXPRESS INC | Hazardous waste | — | — | — | No Violation Identified |
| SOUP BASES LOADED | Water, Hazardous waste | 1 | — | — | No Violation Identified |
| SOURCEHOV HEALTHCARE INC | Water | 1 | — | — | — |
| SOUTH COAST EMERGENCY VEHICLE SVC | Hazardous waste | — | — | — | No Violation Identified |
| SOUTH DISTRIBUTING CO | Hazardous waste | — | — | — | No Violation Identified |
| SOUTH MILLIKEN AVE GRADE SEPARATION PROJECT | Hazardous waste | — | — | — | No Violation Identified |
| SOUTH ONTARIO FAMILY DENTAL | Hazardous waste | — | — | — | No Violation Identified |
| SOUTHERN CALIFORNIA EDISON MIRA LOMA CONTRACTOR PROJECT STORE | Hazardous waste | — | — | — | No Violation Identified |
| SOUTHERN CALIFORNIA EDISON SITE #33 | Hazardous waste | — | — | — | No Violation Identified |
| SOUTHERN CALIFORNIA GAS COMPANY - ONTARIO | Hazardous waste | — | — | — | No Violation Identified |
| SOUTHERN CALIFORNIA MIRALOMA PEAKER | Hazardous waste | — | — | — | No Violation Identified |
| SOUTHWEST AIRLINES CO | Hazardous waste | — | — | — | No Violation Identified |
| SOUTHWEST AIRLINES CO | Hazardous waste | — | — | — | No Violation Identified |
| SOUTHWEST MEDICAL RESOURCES | Hazardous waste | — | — | — | No Violation Identified |
| SPARKS BELTING CO INC | Water, Hazardous waste | — | — | — | No Violation Identified |
| SPECIALIZED DAIRY SERVICE INC | Water, Hazardous waste | — | — | — | No Violation Identified |
| SPECIALTY CO PACK | Water | — | — | — | No Violation Identified |
| SPECIALTY COATING SYSTEMS | Water, Hazardous waste | — | — | — | No Violation Identified |
| SPECIALTY SPRAY SVC | Hazardous waste | — | — | — | No Violation Identified |
| SPEEDWAY #5147 | Hazardous waste | — | — | — | No Violation Identified |
| SPEEDWAY TRANSMISSION | Hazardous waste | — | — | — | No Violation Identified |
| SPEEDY SAFE AND SURE LOGISTICS | Hazardous waste | — | — | — | No Violation Identified |
| SPEEDYFIX COLLISION CENTER INC | Hazardous waste | — | — | — | No Violation Identified |
| SPENCER FLUID POWER | Hazardous waste | — | — | — | No Violation Identified |
| SPOTLESS CLEANERS | Hazardous waste | — | — | — | No Violation Identified |
| SPRAYLINE ENTER. INC | Hazardous waste | — | — | — | No Violation Identified |
| SPRINT NORTH SUPPLY | Hazardous waste | — | — | — | No Violation Identified |
| SPW INC/VELLANMO FORGED WHEELS | Hazardous waste | — | — | — | No Violation Identified |
| SQ TECH CORPORATION | Hazardous waste | — | — | — | No Violation Identified |
| ST MARY & ST MICHAEL INC (DBA) SRM ONTARIO GAS | Hazardous waste | — | — | — | No Violation Identified |
| ST WORTH CONTAINER | Water, Hazardous waste | — | — | — | No Violation Identified |
| STANG DEWATERING INC | Hazardous waste | — | — | — | No Violation Identified |
| STANLEY CURATOLO | Hazardous waste | — | — | — | No Violation Identified |
| STANYER & EDMONDSON | Hazardous waste | — | — | — | No Violation Identified |
| STAPLES | Water, Hazardous waste | — | — | — | No Violation Identified |
| STAPLES - ONTARIO ANNEX | Hazardous waste | — | — | — | No Violation Identified |
| STAPLES NAD 4885 | Hazardous waste | — | — | — | No Violation Identified |
| STAPLES THE OFFICE SUPERSTORE EAST INC STORE 1352 | Hazardous waste | — | — | — | No Violation Identified |
| STAR AUTO CARE | Hazardous waste | — | — | — | No Violation Identified |
| STAR RECYCLING | Hazardous waste | — | — | — | No Violation Identified |
| STARBRIGHT DENTAL | Hazardous waste | — | — | — | No Violation Identified |
| STATE OF CA DGS TELECOM DIV | Hazardous waste | — | — | — | No Violation Identified |
| STATE TRANSMISSION SPECIALIST | Hazardous waste | — | — | — | No Violation Identified |
| STATER BROS MARKETS # 59 SO ONTARIO | Hazardous waste | — | — | — | No Violation Identified |
| STATER BROS MARKETS #108 SHADIN HILLS | Hazardous waste | — | — | — | No Violation Identified |
| STATER BROS MARKETS #204 | Hazardous waste | — | — | — | No Violation Identified |
| STATER BROS MARKETS #208 | Hazardous waste | — | — | — | No Violation Identified |
| STATER BROS MARKETS #85 VINEYARD | Hazardous waste | — | — | — | No Violation Identified |
| STATES LOGISTICS | Water, Hazardous waste | — | — | — | No Violation Identified |
| STATES LOGISTICS | Hazardous waste | — | — | — | No Violation Identified |
| STEEL CASE INC DBA REGIONAL DISTRIBUTION CENTER | Hazardous waste | — | — | — | No Violation Identified |
| STEPHANIE MEDINA | Hazardous waste | — | — | — | No Violation Identified |
| STEPHEN ESPANTMAN | Hazardous waste | — | — | — | No Violation Identified |
| STERIS INC | Hazardous waste | — | — | — | No Violation Identified |
| STEVE BENNETT | Hazardous waste | — | — | — | No Violation Identified |
| STEVE JOHNSON | Hazardous waste | — | — | — | No Violation Identified |
| STEVEN WU | Hazardous waste | — | — | — | No Violation Identified |
| STEVENS TRANSPORT | Hazardous waste | — | — | — | No Violation Identified |
| STILES ANIMAL REMOVAL | Water, Hazardous waste | 2 | — | — | No Violation Identified |
| STINKY INC. | Hazardous waste | — | — | — | No Violation Identified |
| STRUM BREWING COMPANY LLC | Water | — | — | — | — |
| STUDENT TRANSPORTATION OF AMERICA | Hazardous waste | — | — | — | No Violation Identified |
| SUBARU OF ONTARIO DBA ONTARIO MITSUBISHI | Hazardous waste | — | — | — | No Violation Identified |
| SUBIA EILEEN | Hazardous waste | — | — | — | No Violation Identified |
| SUBURBAN MINERS TECHNOLOGIES | Hazardous waste | — | — | — | No Violation Identified |
| SUE TRUCKING INC | Hazardous waste | — | — | — | No Violation Identified |
| SUKUT EQUIPMENT, INC. | Hazardous waste | — | — | — | No Violation Identified |
| SUMMERS BROTHERS INC. | Hazardous waste | — | — | — | No Violation Identified |
| SUMMIT MACHINE LLC | Water | — | — | — | No Violation Identified |
| SUMMIT MACHINING LLC | Hazardous waste | — | — | — | No Violation Identified |
| SUN BADGE COMPANY | Water, Hazardous waste | — | — | — | No Violation Identified |
| SUN VALLEY JERSEY DAIRY INC | Water | — | — | — | No Violation Identified |
| SUNBELT RENTALS | Hazardous waste | — | — | — | No Violation Identified |
| SUNCO AUTO REPAIR CTR | Hazardous waste | — | — | — | No Violation Identified |
| SUNCOAST POST-TENSION, LTD. | Hazardous waste | — | — | — | No Violation Identified |
| SUNKIST GROWERS INC | Hazardous waste | — | — | — | No Violation Identified |
| SUNKIST GROWERS INC | Water, Hazardous waste | — | — | — | No Violation Identified |
| SUNNY MOORE | Hazardous waste | — | — | — | No Violation Identified |
| SUNPEAK CONSTRUCTION | Hazardous waste | — | — | — | No Violation Identified |
| SUNSHINE CLEANERS | Hazardous waste | — | — | — | No Violation Identified |
| SUNSHINE GROWERS NURSERY | Hazardous waste | — | — | — | No Violation Identified |
| SUNYEAH GROUP CORPORATION | Water | 1 | — | — | — |
| SUPER LIFT INC | Hazardous waste | — | — | — | No Violation Identified |
| SUPERIOR AUTO RECON | Hazardous waste | — | — | — | No Violation Identified |
| SUPERIOR GROCERS #120 | Hazardous waste | — | — | — | No Violation Identified |
| SUPERIOR METAL SHAPES | Hazardous waste | — | — | — | No Violation Identified |
| SUPERIOR MOLD COMPANY LLC | Hazardous waste | — | — | — | No Violation Identified |
| SUPERIOR PONTIAC BMC | Hazardous waste | — | — | — | No Violation Identified |
| SUPPOSE U DRIVE TRUCK RENTAL SERVICE | Hazardous waste | — | — | — | No Violation Identified |
| SUPREME MACHINE PRODUCTS | Hazardous waste | — | — | — | No Violation Identified |
| SWAICH INC. | Hazardous waste | — | — | — | No Violation Identified |
| SWAIN OIL TRANSPORT DBA: VISTA ENERGY TRANSPORT | Hazardous waste | — | — | — | No Violation Identified |
| SWAIN SIGN INC | Hazardous waste | — | — | — | No Violation Identified |
| SWICKARD CROWN LLC DBA CROWN TOYOTA | Hazardous waste | — | — | — | No Violation Identified |
| SWICKARD CROWN LLC DBA CROWN TOYOTA | Hazardous waste | — | — | — | No Violation Identified |
| SWIFT OIL & VACUUM INC | Hazardous waste | 1 | — | — | No Violation Identified |
| SWIFT TRANSPORTATION | Hazardous waste | — | — | — | No Violation Identified |
| SYSTEMONE TECHNOLOGIES INC | Hazardous waste | — | — | — | No Violation Identified |
| T&H AUTO REPAIR | Hazardous waste | — | — | — | No Violation Identified |
| TADEMA CATTLE CO | Hazardous waste | — | — | — | No Violation Identified |
| TANYA CERVANTES | Hazardous waste | — | — | — | No Violation Identified |
| TANYA LINDSEY | Hazardous waste | — | — | — | No Violation Identified |
| TAP AUTOMO LLC | Hazardous waste | — | — | — | No Violation Identified |
| TARGET IMPORT CENTER | Water, Hazardous waste | 1 | — | — | No Violation Identified |
| TARGET STORE NO T-2245 | Hazardous waste | — | — | — | No Violation Identified |
| TARGET STORE T3446 | Hazardous waste | — | — | — | No Violation Identified |
| TAVOS MINOR REPAIR | Hazardous waste | — | — | — | No Violation Identified |
| TAYLOR COMMUNICATIONS INC | Water | — | — | — | No Violation Identified |
| TAYLOR FARMS SOUTH CALIFORNIA INC | Hazardous waste | — | — | — | No Violation Identified |
| TC MOTORSPORTS DBA TRANSONIC CUSTOMS | Hazardous waste | — | — | — | No Violation Identified |
| TCI ENGINEERING | Hazardous waste | — | — | — | No Violation Identified |
| TCS PERFORMANCE PRODUCTS & MACHINING, INC. | Hazardous waste | — | — | — | No Violation Identified |
| TE AND SONS ROAD SERVICE | Hazardous waste | — | — | — | No Violation Identified |
| TEAM CAR CARE WEST LLC DBA JIFFY LUBE | Hazardous waste | — | — | — | No Violation Identified |
| TEAM GREEN MOTORSPORTS | Hazardous waste | — | — | — | No Violation Identified |
| TECHNICAL SAFETY SERVICES, LLC | Hazardous waste | — | — | — | No Violation Identified |
| TEICHERT PIPELINES INC | Hazardous waste | — | — | — | No Violation Identified |
| TEPA TIRE & AUTO CARE INC | Hazardous waste | — | — | — | No Violation Identified |
| TERESA MULHOLLAND | Hazardous waste | — | — | — | No Violation Identified |
| TERESA RIVERA | Hazardous waste | — | — | — | No Violation Identified |
| TERMINAL #1 ONTARIO AIRPORT ATI | Hazardous waste | — | — | — | No Violation Identified |
| TERMINIX BRANCH 2064 | Hazardous waste | — | — | — | No Violation Identified |
| TERRI FRENES | Hazardous waste | — | — | — | No Violation Identified |
| TERRI LEO | Hazardous waste | — | — | — | No Violation Identified |
| TERRY URCIUOLI | Hazardous waste | — | — | — | No Violation Identified |
| TESLA ONTARIO COLLISION | Hazardous waste | — | — | — | No Violation Identified |
| TESLA, INC. | Hazardous waste | — | — | — | No Violation Identified |
| TESLA, INC. | Hazardous waste | — | — | — | No Violation Identified |
| TESORO 42126 | Hazardous waste | — | — | — | No Violation Identified |
| TESORO ARCO 42126 | Hazardous waste | — | — | — | No Violation Identified |
| TESORO REFINING AND MARKETING COMPANY LLC SITE 42634 | Hazardous waste | — | — | — | No Violation Identified |
| TEST RITE PRODUCT CORP | Water, Hazardous waste | 2 | — | — | No Violation Identified |
| TEXACO SERVICE STATION | Hazardous waste | — | — | — | No Violation Identified |
| TEXACO SERVICE STATION | Hazardous waste | — | — | — | No Violation Identified |
| TEXACO SERVICE STATION | Hazardous waste | — | — | — | No Violation Identified |
| TEXACO SVC STN | Hazardous waste | — | — | — | No Violation Identified |
| TH LASER INC | Water | — | — | — | No Violation Identified |
| THC ORANGE COUNTY LLC DBA KINDRED HOSPITAL ONTARIO | Hazardous waste | — | — | — | No Violation Identified |
| THE AMGRAPH GROUP | Water | — | — | — | No Violation Identified |
| THE B MAN LLC | Water | 1 | — | — | No Violation Identified |
| THE COCA COLA COMPANY | Water | — | — | — | No Violation Identified |
| THE COCA-COLA COMPANY - ONTARIO | Hazardous waste | — | — | — | No Violation Identified |
| THE FALLIS HOUSE | Hazardous waste | — | — | — | No Violation Identified |
| THE GUND COMPANY INC | Hazardous waste | — | — | — | No Violation Identified |
| THE HOME DEPOT | Hazardous waste | 1 | — | — | No Violation Identified |
| THE HOME DEPOT | Hazardous waste | — | — | — | No Violation Identified |
| THE ICEE COMPANY | Hazardous waste | — | — | — | No Violation Identified |
| THE JMC GROUP | Hazardous waste | — | — | — | No Violation Identified |
| THE LASIK VISION INSTITUTE LV178 | Hazardous waste | — | — | — | No Violation Identified |
| THE MERCHANTS OF TENNIS | Hazardous waste | — | — | — | No Violation Identified |
| THE MUFFLER MAN INC DBA CENTRAL MUFFLER SHOP | Hazardous waste | — | — | — | No Violation Identified |
| THE NEWARK GROUP, INC. | Water, Hazardous waste | — | — | — | No Violation Identified |
| THE SCOTTS COMPANY | Hazardous waste | — | — | — | No Violation Identified |
| THE SHERWIN-WILLIAMS COMPANY | Water, Hazardous waste | — | — | — | No Violation Identified |
| THE TIMBERLAND COMPANY | Hazardous waste | — | — | — | No Violation Identified |
| THE TUNE UP PLACE | Hazardous waste | — | — | — | No Violation Identified |
| THE WINSFORD CORPORATION DBA FORBES INDUSTRIES | Hazardous waste | — | — | — | No Violation Identified |
| THERESA MALDONADO | Hazardous waste | — | — | — | No Violation Identified |
| THERMAL DYNAMICS INTERNATIONAL | Hazardous waste | — | — | — | No Violation Identified |
| THOMAS G. MCDONALD | Hazardous waste | — | — | — | No Violation Identified |
| THOMAS GRABER | Hazardous waste | — | — | — | No Violation Identified |
| THOR INDUSTRIES WEST INC | Hazardous waste | — | — | — | No Violation Identified |
| THORO PACKAGING | Water, Hazardous waste | — | — | — | No Violation Identified |
| THREE D DAIRY | Water | 5 | — | — | No Violation Identified |
| TIDI PRODUCTS LLC | Water | 1 | — | — | — |
| TIFFANY MENDOZA | Hazardous waste | — | — | — | No Violation Identified |
| TIM HATCH | Hazardous waste | — | — | — | No Violation Identified |
| TIME OUT II LLC DBA AM PM | Hazardous waste | — | — | — | No Violation Identified |
| TIME OUT LLC DBA AM PM 111 | Hazardous waste | — | — | — | No Violation Identified |
| TIMOTHY JONES | Hazardous waste | — | — | — | No Violation Identified |
| TIN, INC DBA INTERNATIONAL PAPER | Air, Hazardous waste | — | — | — | No Violation Identified |
| TINA BOWERSOX | Hazardous waste | — | — | — | No Violation Identified |
| TINA MORRISON | Hazardous waste | — | — | — | No Violation Identified |
| TIVA DAIRY | Water | 1 | — | — | No Violation Identified |
| TK AMERICA INC | Hazardous waste | — | — | — | No Violation Identified |
| TLC PACKAGING INC | Water | — | — | — | No Violation Identified |
| TLC SONLIGHT DAIRY #2 | Water | — | — | — | No Violation Identified |
| TNG PROLOGIX | Hazardous waste | — | — | — | No Violation Identified |
| TOM BORBA | Hazardous waste | — | — | — | No Violation Identified |
| TOM SERRA | Hazardous waste | — | — | — | No Violation Identified |
| TONY KETRING | Hazardous waste | — | — | — | No Violation Identified |
| TONYS DRY CLEANERS | Hazardous waste | — | — | — | No Violation Identified |
| TOP CLEANERS | Hazardous waste | — | — | — | No Violation Identified |
| TOP GARAGE COMPLETE AUTO REPAIR | Hazardous waste | — | — | — | No Violation Identified |
| TOP GUN PAINT AND BODY | Hazardous waste | — | — | — | No Violation Identified |
| TOP HAND HEAVY EQUIPMENT RENTAL LLC | Hazardous waste | — | — | — | No Violation Identified |
| TORCO INTERNATIONAL CORP | Hazardous waste | — | — | — | No Violation Identified |
| TORREZZZ PAINT & COLLISION SHOP | Hazardous waste | — | — | — | No Violation Identified |
| TOTAL COST INVOLVED ENGINEERING INC | Water | — | — | — | No Violation Identified |
| TOWER INDUSTRIES INC DBA ALLIED MECHNICAL | Hazardous waste | — | — | — | No Violation Identified |
| TOYOTA MOTOR SALES | Hazardous waste | — | — | — | No Violation Identified |
| TOYS R US #5683 | Hazardous waste | — | — | — | No Violation Identified |
| TOYS R US #5693 | Hazardous waste | — | — | — | No Violation Identified |
| TRACKER MARINE BOAT CENTER | Hazardous waste | — | — | — | No Violation Identified |
| TRADER PUBLISHING COMPANY | Hazardous waste | — | — | — | No Violation Identified |
| TRANCHARM GLOBAL INC | — | — | 1 | — | — |
| TRANSPORTATION DIRECT INC | Water | — | — | — | — |
| TRANSWISE TRANSMISSION | Hazardous waste | — | — | — | No Violation Identified |
| TRAVEL CENTERS OF AMERICA | Hazardous waste | — | — | — | No Violation Identified |
| TRAVEL CENTERS OF AMERICA | Hazardous waste | — | — | — | No Violation Identified |
| TREE ISLAND WIRE USA INC DBA HALSTEEL INC | Hazardous waste | — | — | — | No Violation Identified |
| TRI MAG TECHNOLOGY, INC. | Hazardous waste | — | — | — | No Violation Identified |
| TRIANGLE FASTENERS INC | Hazardous waste | — | — | — | No Violation Identified |
| TRIBUTE SIGNS | Water, Hazardous waste | — | — | — | No Violation Identified |
| TRILOGY LAND HOLDINGS LLC | Hazardous waste | — | — | — | No Violation Identified |
| TRILOGY LAND HOLDINGS, LLC | Hazardous waste | — | — | — | No Violation Identified |
| TRIMMASTER INC | Hazardous waste | — | — | — | No Violation Identified |
| TRISHA PETRO INC | Hazardous waste | — | — | — | No Violation Identified |
| TROJAN TECHNOLOGIES GROUP ULC DBA | — | — | 1 | — | — |
| TROPICALE FOODS INC | Water, Hazardous waste | — | — | — | No Violation Identified |
| TSA AT ONTARIO INTL AIRPORT | Hazardous waste | — | — | — | No Violation Identified |
| TUNE UPS INC | Hazardous waste | — | — | — | No Violation Identified |
| TURBINE REPAIR SERVICES | Hazardous waste | — | — | — | No Violation Identified |
| TURNERS INC | Hazardous waste | — | — | — | No Violation Identified |
| TYCO ELECTRONICS | Water, Hazardous waste | — | — | — | No Violation Identified |
| U-HAUL | Hazardous waste | — | — | — | No Violation Identified |
| U-LINE | Hazardous waste | — | — | — | No Violation Identified |
| U.S. MERCHANTS - ONTARIO | Hazardous waste | — | 1 | — | No Violation Identified |
| ULINE INC | Hazardous waste | — | — | — | No Violation Identified |
| ULTA BEAUTY #1280 | Hazardous waste | — | — | — | No Violation Identified |
| ULTIMATE COLLISION SPECIALISTS INC | Hazardous waste | — | — | — | No Violation Identified |
| ULTIMATE COLLISIONS SPECIALIST INC | Hazardous waste | — | — | — | No Violation Identified |
| ULTRA CHEM LABS | Water, Hazardous waste | — | — | — | No Violation Identified |
| UNDERGROUND CONSTRUCTION INC | Hazardous waste | — | — | — | No Violation Identified |
| UNIFI AVIATION, LLC.- ONTARIO | Hazardous waste | — | — | — | No Violation Identified |
| UNIFIRST ONTARIO PLANT #325 | Hazardous waste | — | — | — | No Violation Identified |
| UNION BATTERY DISPOSAL INC | Hazardous waste | — | — | — | No Violation Identified |
| UNION BATTERY DISPOSAL INC - POWR-FLO BATTERIES | Hazardous waste | — | — | — | No Violation Identified |
| UNION BATTERY DISPOSAL INC. | Hazardous waste | — | — | — | No Violation Identified |
| UNION CARBIDE CORP LINDE | Hazardous waste | — | — | — | No Violation Identified |
| UNION CARBIDE CORP LINDE DIV | Hazardous waste | — | — | — | No Violation Identified |
| UNION CARHIDE INDUSTRIAL GASES INC | Hazardous waste | — | — | — | No Violation Identified |
| UNIQUE DETAIL SOLUTIONS | Hazardous waste | — | — | — | No Violation Identified |
| UNITECH SERVICES GROUP INC | Hazardous waste | — | — | — | No Violation Identified |
| UNITED #5224 | Hazardous waste | — | — | — | No Violation Identified |
| UNITED #5736 | Hazardous waste | — | — | — | No Violation Identified |
| UNITED AUTO BODYSHOP LLC | Hazardous waste | — | — | — | No Violation Identified |
| UNITED BROTHERS PETRO INC | Hazardous waste | — | — | — | No Violation Identified |
| UNITED COLLISION & AUTO SALES | Hazardous waste | — | — | — | No Violation Identified |
| UNITED EDUCATION INSTITUTE DBA UEI COLLEGE | Hazardous waste | — | — | — | No Violation Identified |
| UNITED GROUND EXPRESS | Hazardous waste | — | — | — | No Violation Identified |
| UNITED PARCEL SERVICE | Water, Hazardous waste | 1 | 2 | $5,300,000 | No Violation Identified |
| UNITED PUMPING SERVICE, INC. | Hazardous waste | — | — | — | No Violation Identified |
| UNITED REFRIGERATION INC | Hazardous waste | — | — | — | No Violation Identified |
| UNITED RENTALS INC. | Hazardous waste | — | — | — | No Violation Identified |
| UNITED TRANSMISSIONS | Hazardous waste | — | — | — | No Violation Identified |
| UNIVERSAL MULTISPECIALTY MEDICAL GROUP INC | Hazardous waste | — | — | — | No Violation Identified |
| UNIVERSAL PLASTIC BAG | Hazardous waste | — | — | — | No Violation Identified |
| UNLIMITED RECYCLING RESOURCES | Hazardous waste | — | — | — | No Violation Identified |
| UPLAND CONTRACTING INC | Hazardous waste | — | — | — | No Violation Identified |
| UPLAND FAB INC | Water, Hazardous waste | — | — | — | No Violation Identified |
| UPM RAFLATAC INC | Water, Hazardous waste | — | — | — | No Violation Identified |
| UPS | Hazardous waste | — | — | — | No Violation Identified |
| UPS | Hazardous waste | — | — | — | No Violation Identified |
| UPS FREIGHT | Hazardous waste | — | — | — | No Violation Identified |
| UPS ONTARIO CARRIER SUPPORT | Hazardous waste | — | 2 | $5,300,000 | No Violation Identified |
| UPS ONTARIO FREIGHT HUB | Hazardous waste | — | 2 | $5,300,000 | No Violation Identified |
| UPS WESTERN REGIONAL INTERNATIONAL AIR HUB | Hazardous waste | — | 2 | $5,300,000 | No Violation Identified |
| US ELOGISTICS SERVICE CORP | Water | 1 | — | — | — |
| US FOODS INC DBA U.S. FOODSERVICE INC | Hazardous waste | — | — | — | No Violation Identified |
| US HEALTHWORKS MEDICAL GROUP | Hazardous waste | — | — | — | No Violation Identified |
| US HEALTHWORKS MEDICAL GRP | Hazardous waste | — | — | — | No Violation Identified |
| US SHUTTERS & BLINDS | Water, Hazardous waste | 1 | — | — | No Violation Identified |
| USA COLD STORAGE | Hazardous waste | — | — | — | No Violation Identified |
| USDA USFS R05 LOGISTICS SUPPORT CTR | Hazardous waste | — | — | — | No Violation Identified |
| UTILITY SERVICE CO INC | Hazardous waste | — | — | — | No Violation Identified |
| UTR | Hazardous waste | — | — | — | No Violation Identified |
| V & M MANUFACTURING INC | Hazardous waste | — | — | — | No Violation Identified |
| V&V HAULING INC. | Hazardous waste | — | — | — | No Violation Identified |
| VACANT LOT | Hazardous waste | — | — | — | 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.