Environmental compliance records in Rockville, MD — page 2 of 3
607 active facilities in Rockville hold an EPA air, water or hazardous-waste identifier. The most common industries: Other Services (except Public Administration) (126), Retail Trade (77), Educational Services (64). 6 had a formal enforcement action in the last five years.
1 (1.75 DRYCLEA…) · 2 (MARK MOTOR C…) · 3 (WOODLEY GARD…)
| Facility | Programs | Inspections (5 yr) | Formal actions (5 yr) | Penalties (5 yr) | Compliance status |
|---|---|---|---|---|---|
| MARK MOTOR COMPANY | Air | — | — | — | No Violation Identified |
| MARK TWAIN SPECIAL SCHOOL | Air | — | — | — | No Violation Identified |
| MARK TWAIN SPECIAL SCHOOL | Hazardous waste | — | — | — | No Violation Identified |
| MARV & MIKES TRANSMISSIONS | Hazardous waste | — | — | — | No Violation Identified |
| MARYLAND CAST STONE, INC. | Water | — | — | — | No Violation Identified |
| MARYLAND NATIONAL CENTER | Air | — | — | — | No Violation Identified |
| MASTER CRAFTERS AUTO REBUILDING | Air, Hazardous waste | — | — | — | No Violation Identified |
| MATERIALS TESTING LABORATORY | Hazardous waste | — | — | — | No Violation Identified |
| MAUS-WARFIELD USARC | Air, Hazardous waste | — | — | — | No Violation Identified |
| MAYORGA IMPORTS | Air | — | — | — | No Violation Identified |
| MCCORMICK PAINT WORKS COMPANY | Air, Water, Hazardous waste | — | — | — | No Violation Identified |
| MCKESSON BIOSERVICES | Hazardous waste | 1 | — | — | No Violation Identified |
| MCPS - BETHESDA DEPOT | Air, Water | — | — | — | No Violation Identified |
| MCPS - LINCOLN CENTER OFFICE | Air | — | — | — | No Violation Identified |
| MCPS - SHADY GROVE DEPOT | Air | — | — | — | No Violation Identified |
| MD. NAT'L CAPITOL PK. & PLAN. COMM. | Air | — | — | — | No Violation Identified |
| MDOT SHA BRIDGE # 1504900 | Hazardous waste | — | — | — | No Violation Identified |
| MEADOW HALL ELEMENTARY SCHOOL | Air | — | — | — | No Violation Identified |
| MEDIMMUNE, LLC | Hazardous waste | — | — | — | No Violation Identified |
| MESO SCALE DIAGNOSTICS, LLC | Water, Hazardous waste | 1 | — | — | No Violation Identified |
| METAL RAPS | Air, Hazardous waste | 1 | — | — | No Violation Identified |
| MIDWEST RESEARCH INSTITUTE NCR | Hazardous waste | — | — | — | No Violation Identified |
| MILESTONE CLEANERS | Hazardous waste | — | — | — | No Violation Identified |
| MILL CREEK TOWNE ELEMENTARY SCHOOL | Air | — | — | — | No Violation Identified |
| MIMCO, LLC | — | 1 | 2 | $17,784 | No Violation Identified |
| MONROE STREET, 118 | Air | — | — | — | No Violation Identified |
| MONT. CO. GOV. | Air | — | — | — | No Violation Identified |
| MONT. CO. GOV. 1283 SEVEN LOCKS ROAD | Air, Water, Hazardous waste | — | — | — | No Violation Identified |
| MONT. CO. GOV. 1301 SEVEN LOCKS ROAD | Air | — | — | — | No Violation Identified |
| MONT. CO. GOV. 1307 SEVEN LOCKS ROAD | Air | — | — | — | No Violation Identified |
| MONT. CO. GOV. 1451 SEVEN LOCKS ROAD | Air, Hazardous waste | — | — | — | No Violation Identified |
| MONT. CO. GOV. 27 COURTHOUSE SQUARE | Air | — | — | — | No Violation Identified |
| MONT. CO. GOV. 4407 ASPEN HILL ROAD | Air | — | — | — | No Violation Identified |
| MONTG. CO. PUBLIC SCH. WAREHOUSE | Air | — | — | — | No Violation Identified |
| MONTGOMERY CO DEPT ENVIR PROTECT | Hazardous waste | — | — | — | No Violation Identified |
| MONTGOMERY CO. BRIDGE # M-0080-4 | Hazardous waste | — | — | — | No Violation Identified |
| MONTGOMERY CO. BRIDGE # M-0092 | Hazardous waste | — | — | — | No Violation Identified |
| MONTGOMERY CO. BRIDGE # MPK-17 | Hazardous waste | — | — | — | No Violation Identified |
| MONTGOMERY CO. GOV. CRABB BR. WAY | Air | — | — | — | No Violation Identified |
| MONTGOMERY COLLEGE - ROCKVILLE CAMPUS | Water, Hazardous waste | 1 | — | — | No Violation Identified |
| MONTGOMERY CONCRETE - SOUTHLAWN LANE | Air | — | — | — | No Violation Identified |
| MONTGOMERY COUNTY - GAITHERSBURG DEPOT | Hazardous waste | — | — | — | No Violation Identified |
| MONTGOMERY COUNTY DIVISION OF EQUIPMENT | Hazardous waste | — | — | — | No Violation Identified |
| MONTGOMERY COUNTY EQUIPMENT MAINTENANCE-TRANSIT OPERATIONS CENTER-EMTOC | Water | — | — | — | No Violation Identified |
| MONTGOMERY COUNTY LIBRARY | Air | — | — | — | No Violation Identified |
| MONTGOMERY COUNTY LIQUOR WAREHOUSE | Air | — | — | — | No Violation Identified |
| MONTGOMERY COUNTY POLICE CRIME LAB | Hazardous waste | — | — | — | No Violation Identified |
| MONTGOMERY COUNTY PUBLIC SCHOOLS DIVISION OF MAINTENANCE - SHADY GROVE DEPOT | Hazardous waste | — | — | — | No Violation Identified |
| MONTGOMERY COUNTY PUBLIC SCHOOLS MATERIALS MANAGEMENT WAREHOUSE | Hazardous waste | — | — | — | No Violation Identified |
| MONTGOMERY COUNTY RECORDS CENTER | Air | — | — | — | No Violation Identified |
| MONTGOMERY COUNTY RECYCLING FACILITY | Air | — | — | — | No Violation Identified |
| MONTGOMERY COUNTY SCHOOL MAINT DIV | Water | — | — | — | No Violation Identified |
| MONTGOMERY COUNTY STORM WATER | Water | — | — | — | Unknown |
| MONTGOMERY SCRAP | Air, Water, Hazardous waste | 4 | — | — | No Violation Identified |
| MONTROSE BAPTIST CHURCH | Air | — | — | — | No Violation Identified |
| MONTROSE CENTER | Air, Hazardous waste | — | — | — | No Violation Identified |
| MONTROSE ROAD, 5901 | Air, Water, Hazardous waste | — | — | — | No Violation Identified |
| MONTROSE ROAD, 6101 | Air | — | — | — | No Violation Identified |
| MONTROSE ROAD, 6721 | Air | — | — | — | No Violation Identified |
| MOTOR WORKS INC | Hazardous waste | — | — | — | No Violation Identified |
| NATIONAL AUTO BODY | Air | — | — | — | No Violation Identified |
| NATIONAL AUTO BODY | Air, Hazardous waste | — | — | — | No Violation Identified |
| NATIONAL INSTITUTES OF HEALTH - 5625 FISHERS LANE | Water | — | — | — | No Violation Identified |
| NATIONAL LUTHERAN HOME FOR AGED | Air | — | — | — | No Violation Identified |
| NATIONAL OCEANIC ATMOSPHERIC ADMIN | Air | — | — | — | No Violation Identified |
| NATIONAL TIRE & BATTERY #7316 | Hazardous waste | — | — | — | No Violation Identified |
| NATIONAL TIRE & BATTERY #7317 | Hazardous waste | — | — | — | No Violation Identified |
| NATIONWIDE COLLISION EXPERTS | Air | — | — | — | No Violation Identified |
| NEW EUROPEAN WOODWORK SHOP | Air | — | — | — | No Violation Identified |
| NEWTOWN AUTO BODY | Air, Hazardous waste | — | — | — | No Violation Identified |
| NICHOLSON LANE, 5650 | Air | — | — | — | No Violation Identified |
| NIH CC PHS COM OFC DENTAL | Hazardous waste | — | — | — | No Violation Identified |
| NIH CHEM GENOMICS CTR | Hazardous waste | 1 | — | — | No Violation Identified |
| NIH NCI GAB RECORDS CTR | Hazardous waste | — | — | — | No Violation Identified |
| NIH NIAD AIDS REAGENT PROG | Hazardous waste | — | — | — | No Violation Identified |
| NIH TWINBROOK III FACILITY | Hazardous waste | 1 | — | — | No Violation Identified |
| NIH TWINBROOK IV FACILITY | Hazardous waste | — | — | — | No Violation Identified |
| NIH/NCI CONSOLIDATED RESEARCH LABORATORY (CRL) | Hazardous waste | — | — | — | No Violation Identified |
| NIH/NIAID AIDS DRUG REPOSITORY | Hazardous waste | — | — | — | No Violation Identified |
| NORBECK COUNTRY CLUB. | Air | — | — | — | No Violation Identified |
| NORTH BETHESDA MEDICAL CENTER | Air | — | — | — | No Violation Identified |
| NORTH LAKE CENTER | Air | — | — | — | No Violation Identified |
| NOTTHAM AUTOMOTIVE CARE LLC | Hazardous waste | — | — | — | No Violation Identified |
| NU-LOOK ONE HOUR CLEANERS | Hazardous waste | — | — | — | No Violation Identified |
| O'BOYLE TANK LINES | Air | — | — | — | No Violation Identified |
| OLD FARM SWIM CLUB | Water | 1 | — | — | Significant Violation |
| OLDEST TO NEWEST AUTO BODY | Air | — | — | — | No Violation Identified |
| OLDEST TO NEWEST AUTO BODY-ROCKVILLE | Air, Hazardous waste | — | — | — | No Violation Identified |
| ON DEMAND PHARMACEUTICALS, INC. | Hazardous waste | — | — | — | No Violation Identified |
| ON DEMAND PHARMACEUTICALS, INC. | Air, Water, Hazardous waste | 1 | — | — | No Violation Identified |
| ONCOC4, INC. | Hazardous waste | — | — | — | No Violation Identified |
| OPGEN, INC | Hazardous waste | — | — | — | No Violation Identified |
| ORIGENE TECHNOLOGIES | Hazardous waste | — | — | — | No Violation Identified |
| OUR LADY OF MERCY SCHOOL | Air | — | — | — | No Violation Identified |
| OURISMAN VW & MAZDA OF ROCKVILLE | Air, Hazardous waste | — | — | — | No Violation Identified |
| OURISMAN'S ROCKMONT CHEVROLET | Air, Hazardous waste | — | — | — | No Violation Identified |
| PARK STREET ELEMENTARY SCHOOL | Air | — | — | — | No Violation Identified |
| PARKLAND MECHANICAL SERVICE | Air | — | — | — | No Violation Identified |
| PARKLAND MIDDLE SCHOOL | Air, Hazardous waste | — | — | — | No Violation Identified |
| PARKLAWN CEMETERY | Air, Hazardous waste | — | — | — | No Violation Identified |
| PARR OF VIRGINIA T/A COURTESY JEEP | Hazardous waste | — | — | — | No Violation Identified |
| PEARY, ROBERT E. CENTER | Air | — | — | — | No Violation Identified |
| PENNY, J.C. - ROCKVILLE | Air | — | — | — | No Violation Identified |
| PENSKE TRUCK LEASING CO., LP | Hazardous waste | — | — | — | No Violation Identified |
| PEPCO - MAINTENANCE FACILITY | Air | — | — | — | No Violation Identified |
| PEPCO ROCKVILLE SERVICE CENTER | Hazardous waste | — | — | — | No Violation Identified |
| PERINI CORPORATION WMATA CONT 1A0171 | Hazardous waste | — | — | — | No Violation Identified |
| PETCO STORE #1704 | Hazardous waste | — | — | — | No Violation Identified |
| PINNACLE PRINTING - 601 DOVER ROAD | Air | — | — | — | No Violation Identified |
| PIP PRINTING | Hazardous waste | — | — | — | No Violation Identified |
| PORSCHE BETHESDA | Hazardous waste | — | — | — | No Violation Identified |
| PORTNER BROTHERS, INC | Air | — | — | — | No Violation Identified |
| POTOMAC SUNOCO | Air | — | — | — | No Violation Identified |
| POTOMAC VALLEY NURSING HOME | Air | — | — | — | No Violation Identified |
| PRECISION AUTO CARE | Air | — | — | — | No Violation Identified |
| PREMIER MOTORS | Air | — | — | — | No Violation Identified |
| PREMIERE PRINTING & IMAGING | Hazardous waste | — | — | — | No Violation Identified |
| PRESIDENTIAL EXTERIORS, LLC | — | — | 1 | $6,000 | — |
| PRESSURE BIOSCIENCE INC | Hazardous waste | — | — | — | No Violation Identified |
| PRINT SHOP CITY OF ROCKVILLE GOVT | Hazardous waste | — | — | — | No Violation Identified |
| PRINTING IMAGES | Hazardous waste | — | — | — | No Violation Identified |
| PRINTING IMPRESSIONS | Air | — | — | — | No Violation Identified |
| PRO WOOD FINISHES | Hazardous waste | — | — | — | No Violation Identified |
| PROLIAS LLC | Hazardous waste | — | — | — | No Violation Identified |
| PROMETIC BIOTHERAPEUTICS INC | Hazardous waste | — | — | — | No Violation Identified |
| PROTO CIRCUITS | Air, Hazardous waste | — | — | — | No Violation Identified |
| QUARLES GAS STATION | Air | — | — | — | No Violation Identified |
| QUARTERMAINE COFFEE ROASTERS | Air | — | — | — | No Violation Identified |
| RAMADA INN - ROCKVILLE | Air | — | — | — | No Violation Identified |
| RANDOLPH ASSOCIATES | Air | — | — | — | No Violation Identified |
| RANDOLPH MIDDLE SCHOOL | Air | — | — | — | No Violation Identified |
| RCI SYSTEMS INC | Hazardous waste | — | — | — | No Violation Identified |
| REACTEL INC | Hazardous waste | — | — | — | No Violation Identified |
| REDDY MOTORS | Air | — | — | — | No Violation Identified |
| REDLAND GENSTAR - BOYDS | Air | — | — | — | No Violation Identified |
| REDLAND GENSTAR - SOUTHLAWN | Air, Hazardous waste | — | — | — | No Violation Identified |
| REDLAND LIBERTY SERVICE STATION | Air | — | — | — | No Violation Identified |
| REDLAND MIDDLE SCHOOL | Air, Hazardous waste | — | — | — | No Violation Identified |
| REGENXBIO, INC | Hazardous waste | — | — | — | No Violation Identified |
| REGENXBIO, INC. | Water, Hazardous waste | 1 | — | — | No Violation Identified |
| REMED - 12729 TWINBROOK PARKWAY | Air, Hazardous waste | — | — | — | No Violation Identified |
| RENTALS UNLIMITED INC | Hazardous waste | — | — | — | No Violation Identified |
| RESEARCH BOULEVARD, 1401 | Air | — | — | — | No Violation Identified |
| RESEARCH BOULEVARD, 1700 | Air | — | — | — | No Violation Identified |
| RESEARCH COURT, 2 | Air, Hazardous waste | — | — | — | No Violation Identified |
| RESEARCH PLACE, 4 | Air | — | — | — | No Violation Identified |
| RICHARD MONTGOMERY HIGH SCHOOL | Air, Hazardous waste | — | — | — | No Violation Identified |
| RITCHIE PARK ELEMENTARY SCHOOL | Air | — | — | — | No Violation Identified |
| ROB-DEE AUTO RECYCLERS, LLC | Water | — | — | — | No Violation Identified |
| ROCK CREEK VALLEY ELEMENTARY SCHOOL | Air | — | — | — | No Violation Identified |
| ROCK CREEK VILLAGE CLEANERS | Air, Hazardous waste | — | — | — | No Violation Identified |
| ROCK TERRACE SCHOOL | Hazardous waste | — | — | — | No Violation Identified |
| ROCKING HORSE ROAD ELEMENTARY SCHOOL | Air | — | — | — | No Violation Identified |
| ROCKVILLE - MAIN POST OFFICE | Air | — | — | — | No Violation Identified |
| ROCKVILLE AUDI | Hazardous waste | — | — | — | No Violation Identified |
| ROCKVILLE AUTO BODY | Air, Hazardous waste | — | — | — | No Violation Identified |
| ROCKVILLE CENTER CLEANERS | Air, Hazardous waste | — | — | — | No Violation Identified |
| ROCKVILLE CENTRAL AUTO BODY | Air | — | — | — | No Violation Identified |
| ROCKVILLE CHEVRON | Air | — | — | — | No Violation Identified |
| ROCKVILLE CITY OF KING FARM | Hazardous waste | — | — | — | No Violation Identified |
| ROCKVILLE CRUSHED STONE INC | Air, Water, Hazardous waste | — | — | — | No Violation Identified |
| ROCKVILLE FUEL AND FEED | Air, Water | — | — | — | Violation Identified |
| ROCKVILLE G M USED AUTO PARTS | Water, Hazardous waste | 1 | — | — | No Violation Identified |
| ROCKVILLE HIGH SCHOOL | Air, Hazardous waste | — | — | — | No Violation Identified |
| ROCKVILLE LIBERTY | Air | — | — | — | No Violation Identified |
| ROCKVILLE MAILING SERVICE | Hazardous waste | — | — | — | No Violation Identified |
| ROCKVILLE MAILING SERVICE | Hazardous waste | — | — | — | No Violation Identified |
| ROCKVILLE METALS | Water | 1 | — | — | Violation Identified |
| ROCKVILLE METALS, LLC. | Air, Hazardous waste | — | — | — | No Violation Identified |
| ROCKVILLE MOTORS | Air | — | — | — | No Violation Identified |
| ROCKVILLE NURSING HOME | Air | — | — | — | No Violation Identified |
| ROCKVILLE ONE PRESERVE LLC | Hazardous waste | — | — | — | No Violation Identified |
| ROCKVILLE PIKE POST OFFICE | Air | — | — | — | No Violation Identified |
| ROCKVILLE PIKE, 1001 | Air | — | — | — | No Violation Identified |
| ROCKVILLE PIKE, 10310 | Air | — | — | — | No Violation Identified |
| ROCKVILLE PIKE, 10500 | Air, Water | — | — | — | No Violation Identified |
| ROCKVILLE PIKE, 11119 | Air | — | — | — | No Violation Identified |
| ROCKVILLE PIKE, 11400 | Air | — | — | — | No Violation Identified |
| ROCKVILLE PIKE, 11801 | Air, Water | — | — | — | No Violation Identified |
| ROCKVILLE PIKE, 611 | Air | — | — | — | No Violation Identified |
| ROCKVILLE PLANT | Water | — | — | — | No Violation Identified |
| ROCKVILLE PROFESSIONAL CENTER | Air | — | — | — | No Violation Identified |
| ROCKVILLE RADIATOR SHOP/AUTO REPAIR | Air | — | — | — | No Violation Identified |
| ROCKVILLE RING & BEARING SVC | Hazardous waste | — | — | — | No Violation Identified |
| ROCKVILLE UNITED METHODIST CHURCH | Air | — | — | — | No Violation Identified |
| ROLLINS CLEANERS | Air, Hazardous waste | — | — | — | No Violation Identified |
| ROYAL AUTO BODY | Air | — | — | — | No Violation Identified |
| SAFEWAY STORE #1213 | Hazardous waste | — | — | — | No Violation Identified |
| SAFEWAY STORE #1715 | Hazardous waste | — | — | — | No Violation Identified |
| SAFEWAY STORE #1956 | Hazardous waste | — | — | — | No Violation Identified |
| SAFEWAY STORE #3257 | Hazardous waste | — | — | — | No Violation Identified |
| SAFEWAY STORES INCORPORATED | Hazardous waste | — | — | — | No Violation Identified |
| SALVAGE SYSTEMS, INC. | Water | — | — | — | No Violation Identified |
| SANARIA INC | Hazardous waste | — | — | — | No Violation Identified |
| SANARIA INC. | Hazardous waste | 1 | — | — | No Violation Identified |
| SASSY CLEANERS | Air, Hazardous waste | — | — | — | No Violation Identified |
| SCHUSTER CONCRETE READY MIX LLC-SOUTHLAWN LN | — | — | — | — | — |
| SCUDERI AUTO BODY | Air, Hazardous waste | — | — | — | No Violation Identified |
| SECURITY LANE, 5515 | Air | — | — | — | No Violation Identified |
| SERVICE MACHINE SHOP INC | Hazardous waste | — | — | — | No Violation Identified |
| SEWOROOTER, J P INC | Hazardous waste | — | — | — | No Violation Identified |
| SHADY GROVE ADVENTIST HOSPITAL | Air, Hazardous waste | 1 | — | — | No Violation Identified |
| SHADY GROVE ADVENTIST HOSPITAL | Air | 4 | — | — | No Violation Identified |
| SHADY GROVE ROAD, 15825 | Air | — | — | — | No Violation Identified |
| SHELL | Air | — | — | — | No Violation Identified |
| SHELL | Air, Hazardous waste | — | — | — | No Violation Identified |
| SHELL - MOTIVA | Air, Hazardous waste | — | — | — | No Violation Identified |
| SHELL GAS STATION | Air | — | — | — | No Violation Identified |
| SHELL GAS STATION | Air | — | — | — | No Violation Identified |
| SHELL GAS STATION | Air, Hazardous waste | — | — | — | No Violation Identified |
| SHELL OIL COMPANY | Air, Water, Hazardous waste | — | — | — | No Violation Identified |
| SHERWIN WILLIAMS STORE 5017 | Hazardous waste | — | — | — | No Violation Identified |
| SINGLE SOURCE, INC - ROCKVILLE | Hazardous waste | — | — | — | No Violation Identified |
| SIR SPEEDY PRINTING | Hazardous waste | — | — | — | No Violation Identified |
| SMITH LITHOGRAPH | Air, Water, Hazardous waste | — | — | — | No Violation Identified |
| SOUTHLAWN LANE MAINTENANCE SHOP | Water | — | — | — | No Violation Identified |
| SOUTHLAWN MIDDLE SCHOOL | Air | — | — | — | No Violation Identified |
| SPECIAL TEES INC | Hazardous waste | — | — | — | No Violation Identified |
| SPEED QUEEN LAUNDROMAT | Air, Hazardous waste | — | — | — | No Violation Identified |
| ST. MARY'S R.C. CHURCH - ROCKVILLE | Air | — | — | — | No Violation Identified |
| STAPLES THE OFFICE SUPERSTORE EAST, INC #0912 | Hazardous waste | — | — | — | No Violation Identified |
| STAPLES THE OFFICE SUPERSTORE EATS, INC #0026 | Hazardous waste | — | — | — | No Violation Identified |
| STATE POLICE BARRACKS | Air, Hazardous waste | — | — | — | No Violation Identified |
| STB LTD | Hazardous waste | — | — | — | No Violation Identified |
| STERICYCLE ROCKVILLE FACILITY | Water | — | — | — | No Violation Identified |
| STOHLMAN TANZI WOODWORKS INC | Hazardous waste | — | — | — | No Violation Identified |
| SUBURBAN BANK - 255 N. WASHINGTON ST | Air | — | — | — | No Violation Identified |
| SUNOCO | Air, Hazardous waste | — | — | — | No Violation Identified |
| SUNOCO | Air, Hazardous waste | — | — | — | No Violation Identified |
| SUNOCO | Air | — | — | — | No Violation Identified |
| SUNOCO | Air, Hazardous waste | — | — | — | No Violation Identified |
| SUNOCO GAS STATION | Air, Hazardous waste | — | — | — | No Violation Identified |
| SUPERNUS PHARMACEUTICALS INC | Hazardous waste | 1 | — | — | No Violation Identified |
| SYNEXA LIFE SCIENCE US INC | Hazardous waste | — | — | — | No Violation Identified |
| TARGET STORE T1854 | Hazardous waste | — | — | — | No Violation Identified |
| TEC INC | Hazardous waste | — | — | — | No Violation Identified |
| TESLA COLLISION - ROCKVILLE | Hazardous waste | — | — | — | No Violation Identified |
| TESLA ROCKVILLE SSD | Hazardous waste | — | — | — | No Violation Identified |
| TEXACO SERVICE STATION | Air, Hazardous waste | — | — | — | No Violation Identified |
| TEXACO SERVICE STATION | Hazardous waste | — | — | — | No Violation Identified |
| TEXACO SERVICE STATION | Air, Hazardous waste | — | — | — | No Violation Identified |
| THE JBG COMPANIES | Air | — | — | — | No Violation Identified |
| THE TOWER BUILDING | Hazardous waste | — | — | — | No Violation Identified |
| THE TOWER COMPANIES | Hazardous waste | — | — | — | No Violation Identified |
| THE UNIVERSITIES AT SHADY GROVE | Hazardous waste | 1 | — | — | No Violation Identified |
| THERABRON THERAPEUTICS | Hazardous waste | — | — | — | No Violation Identified |
| THERANOSTICS HEALTH | Hazardous waste | — | — | — | No Violation Identified |
| THERAPEUTIC GENOMICS INC | Hazardous waste | — | — | — | No Violation Identified |
| THOMAS S. WOOTTON HIGH | Air, Hazardous waste | — | — | — | No Violation Identified |
| TILDEN MIDDLE SCHOOL | Hazardous waste | — | — | — | No Violation Identified |
| TILDEN MIDDLE SCHOOL | Air, Hazardous waste | — | — | — | No Violation Identified |
| TOBACCO INDUSTRY TESTING LAB | Hazardous waste | — | — | — | No Violation Identified |
| TOLSON AUTOMOTIVE INC | Hazardous waste | — | — | — | No Violation Identified |
| TONY'S AUTO BODY & PAINT CENTER | Air, Hazardous waste | — | — | — | No Violation Identified |
| TOTAL RECON AUTO CENTER | Air, Hazardous waste | — | — | — | No Violation Identified |
| TOTAL RECON AUTO CENTER | Hazardous waste | — | — | — | No Violation Identified |
| TRACOR INC | Air, Hazardous waste | — | — | — | No Violation Identified |
| TROPHOGEN, INC | Hazardous waste | — | — | — | No Violation Identified |
| TUCKERMAN ELEMENTARY SCHOOL | Air | — | — | — | No Violation Identified |
| TWIN BROOK ELEMENTARY SCHOOL | Air | — | — | — | No Violation Identified |
| TWINBROOK EXXON | Air, Hazardous waste | — | — | — | No Violation Identified |
| U S POSTAL SERVICE | Hazardous waste | — | — | — | No Violation Identified |
| ULTIMATE AUTO WORKS | Hazardous waste | — | — | — | No Violation Identified |
| UNITED DISPOSAL CORP | Hazardous waste | — | — | — | No Violation Identified |
| UNITED REFRIGERATION INC | Hazardous waste | — | — | — | No Violation Identified |
| UNITED STATES PHARMACOPEIAL CONVENTION | Water, Hazardous waste | 1 | — | — | Significant Violation |
| UNIVERSAL PLASTICS & ENGINEERING COMPANY | Water | — | — | — | No Violation Identified |
| UNIVERSITY OF MARYLAND INSTITUTE FOR BIOSCIENCE AND BIOTECHNOLOGY RESEARCH | Hazardous waste | — | — | — | No Violation Identified |
| UNIVERSITY OF MARYLAND SHADY GROVE | Air | 1 | — | — | No Violation Identified |
| US FOOD & DRUG ADMINISTRATION | Hazardous waste | — | — | — | No Violation Identified |
| V O B B M W | Hazardous waste | — | — | — | No Violation Identified |
| V.O.B. AUTO BODY | Air, Hazardous waste | — | — | — | No Violation Identified |
| VALVE SITE (MLV 18517) | Hazardous waste | — | — | — | No Violation Identified |
| VAN-WALKER WOODWORKING | Air | — | — | — | No Violation Identified |
| VCA NORTH ROCKVILLE ANIMAL HOSP | Hazardous waste | — | — | — | No Violation Identified |
| VEIRS MILL ROAD & GAYNOR ROAD | Air | — | — | — | No Violation Identified |
| VICTOR'S AUTO BODY & REPAIR | Air | — | — | — | No Violation Identified |
| VILLAGE SQUARE WEST | Air, Water | — | — | — | No Violation Identified |
| VITRO CORP | Hazardous waste | — | — | — | No Violation Identified |
| W.F. WILSON AND SONS | Air | — | — | — | No Violation Identified |
| WALGREENS DRUG STORE 15117 | Hazardous waste | — | — | — | No Violation Identified |
| WASHINGTON CENTER | Air | — | — | — | No Violation Identified |
| WASHINGTON GAS - COLUMBIA YARD | Air | — | — | — | No Violation Identified |
| WASHINGTON GAS - NORTHWEST STATION | Hazardous waste | — | — | — | No Violation Identified |
| WASHINGTON GAS ROCKVILLE STATION | Air, Water, Hazardous waste | 3 | — | — | No Violation Identified |
| WASHINGTON METROPOLITAN AREA TRANSIT AUTHORITY (SHADY GROVE) | Air, Water, Hazardous waste | — | — | — | No Violation Identified |
| WASHINGTON WALDORF SCHOOL | Air | — | — | — | No Violation Identified |
| WEGMANS FOOD MARKETS # 148 | Hazardous waste | — | — | — | No Violation Identified |
| WELLSTAT MANAGEMENT COMPANY LLC | Hazardous waste | — | — | — | No Violation Identified |
| WEST ROCKVILLE ELEMENTARY SCHOOL | Air | — | — | — | No Violation Identified |
| WEST, JULIUS MIDDLE SCHOOL | Air, Hazardous waste | — | — | — | No Violation Identified |
| WESTERN, LLC. | Air | — | — | — | No Violation Identified |
| WHEATON WOODS ELEMENTARY SCHOOL | Hazardous waste | — | — | — | No Violation Identified |
| WHITE FLINT COLLISION CENTER, INC | Air | — | — | — | No Violation Identified |
| WILCOXON CONSTRUCTION | Air, Water | — | — | — | No Violation Identified |
| WILKENS GARAGE WORK CENTER | Hazardous waste | — | — | — | No Violation Identified |
| WINTER GREEN NORTH CLEANERS | Hazardous waste | — | — | — | No Violation Identified |
| WMATA MONTGOMERY BUS DIVISION | Air, Water, Hazardous waste | — | — | — | No Violation Identified |
| WOOD, EARLE B. MIDDLE SCHOOL | Air, Hazardous waste | — | — | — | No Violation Identified |
| WOODEN DESIGN INC | 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.