EPA Air · by state

Air-emissions sources in Maryland

9,831Facilities

By emissions classification in Maryland

High-priority violations in Maryland

20 sources in Maryland carry a current high-priority Clean Air Act violation.

Counties in Maryland

Industries in Maryland

Sources are grouped by the first industry code on the facility record.

Air-emissions inspections in Maryland, by year

A compliance evaluation is the on-site or file review a state, local or federal air agency records against a permitted source.

High-priority air violations in Maryland, by year

A high-priority violation is the most serious class of Clean Air Act non-compliance an agency records against a source; a federally reportable violation is the next step down in severity.

Air-emissions stack tests in Maryland, by year

A stack test measures what a source actually emits, at the stack, against the limit in its permit.

Facilities

Facility↑↓	Classification↑↓	HPV
WACO PRODUCTS, INC.	Minor source	No
WADDELL'S CUSTOMS	Minor source	No
WADSWORTH DRIVE, 9300	Minor source	No
WAGNER-GRAHAM CO	Minor source	No
WAGONER'S SERVICE CENTER	Minor source	No
WAH LAUNDRY	Minor source	No
WAH'S CLEANERS	Minor source	No
WAKEFIELD ELEMENTARY SCHOOL	Minor source	No
WAKEFIELD ROAD, 4501-4507	Minor source	No
WALBROOK MILL & LUMBER CO. INC.	Minor source	No
WALBROOK SENIOR HIGH - SH 411	Minor source	No
WALDEN COUNTRY CLUB	Minor source	No
WALDON WOODS ELEMENTARY SCHOOL	Minor source	No
WALDORF LAUNDROMAT	Minor source	No
WALDORF MARBLE, INC.	Minor source	No
WALDORF ONE HOUR CLEANERS	Minor source	No
WALDORF TOYOTA	Minor source	No
WALKER AVENUE, 532	Minor source	No
WALKER AVENUE, 536	Minor source	No
WALKER AVENUE, 606	Minor source	No
WALKER AVENUE, 610	Minor source	No
WALKER MILL AUTO BODY	Minor source	No
WALKER MILL JUNIOR HIGH SCHOOL	Minor source	No
WALKER'S CHOICE ROAD, 18637	Minor source	No
WALKER'S CHOICE ROAD, 18740	Minor source	No
WALKERSVILLE ELEMENTARY (BLDG A)	Minor source	No
WALKERSVILLE ELEMENTARY (BLDG B)	Minor source	No
WALKERSVILLE HIGH SCHOOL	Minor source	No
WALKERSVILLE MIDDLE SCHOOL	Minor source	No
WALLY'S BP	Minor source	No
WALNUT STREET, SOUTH 12	Minor source	No
WALSH & CO. INC.	Minor source	No
WALT'S WELDING SERVICE	Minor source	No
WALTER KING PLUMBING	Minor source	No
WALTER'S FEED MILL	Minor source	No
WALTERS ART GALLERY	Minor source	No
WALTERS LANE, 3339	Minor source	No
WANTZ CHEVROLET		No
WARD MACHINERY COMPANY	Minor source	No
WARFIELD ROHR CASKET COMPANY	Minor source	No
WARNER AUTO BODY INC.	Minor source	No
WARNER FRUEHAUF TRAILER COMPANY	Minor source	No
WARNER MEMORIAL PRESBYTERIAN CHURCH	Minor source	No
WARREN ELEMENTARY SCHOOL	Minor source	No
WASH. COCA-COLA BOTTLING	Minor source	No
WASHINGTON AVENUE, 2100	Minor source	No
WASHINGTON BIBLE COLLEGE	Minor source	No
WASHINGTON CENTER	Minor source	No
WASHINGTON COLLEGE	Minor source	No
WASHINGTON COUNTY DETENTION CENTER	Minor source	No
WASHINGTON COUNTY HEALTH DEPARTMENT	Minor source	No
WASHINGTON COUNTY HOSPITAL	Minor source	No
WASHINGTON COUNTY REGIONAL AIRPORT	Minor source	No
WASHINGTON GAS - CHALK POINT STATION	Minor source	No
WASHINGTON GAS - CHILLIM HOLDER STAT	Minor source	No
WASHINGTON GAS - COLUMBIA YARD	Minor source	No
WASHINGTON GAS - FREDERICK GAS BRINK	Minor source	No
WASHINGTON GAS - GARDNER GATE	Minor source	No
WASHINGTON GAS - ROCKVILLE STATION	Major source	No
WASHINGTON GAS - WHITE PLAINS GATE	Minor source	No
WASHINGTON GROVE ELEMENTARY SCHOOL	Minor source	No
WASHINGTON HILL ANTIQUES	Minor source	No
WASHINGTON INTERNATIONAL SCHOOL	Minor source	No
WASHINGTON MCLAUGHLIN CHRISTIAN SC	Minor source	No
WASHINGTON MIDDLE SCHOOL	Minor source	No
WASHINGTON PLACE OFFICE BUILDING	Minor source	No
WASHINGTON PLACE, NORTH 716	Minor source	No
WASHINGTON ROOFING PRODUCTS	Minor source	No
WASHINGTON WALDORF SCHOOL	Minor source	No
WASHINGTON WALDORF SCHOOL	Minor source	No
WASHINGTON WOODWORKING	Minor source	No
WASHINGTON, BOOKER T. JUNIOR-JH 130	Minor source	No
WASHINTONIAN AT BETHESDA	Minor source	No
WASTE MANAGEMENT OF MARYLAND	Minor source	No
WASTE MANAGEMENT OF MARYLAND - POCOMOKE		No
WASTE MANAGEMENT TRANSFER STATION	Minor source	No
WATEREDGE BAPTIST CHURCH	Minor source	No
WATERLOO ELEMENTARY SCHOOL	Minor source	No
WATERLOO SHELL	Minor source	No
WATERLOO SHELL	Minor source	No
WATERS AFRICAN METH. EPIS. CHURCH	Minor source	No
WATERSIDE CLEANERS	Minor source	No
WATERVIEW BP	Minor source	No
WATKINS CABINET COMPANY	Minor source	No
WATKINS MILL ELEMENTARY SCHOOL	Minor source	No
WATKINS PUBLIC SAFETY COMPLEX	Minor source	No
WATKINS/JOHNSON COMPANY	Minor source	No
WAUGH CHAPEL ELEMENTARY SCHOOL	Minor source	No
WAVE	Synthetic minor source	No
WAVE - SPARROWS POINT	Minor source	No
WAVERLY ELEMENTARY SCHOOL	Minor source	No
WAVERLY ELEMENTARY SCHOOL	Minor source	No
WAVERLY PRESS	Minor source	No
WAVERLY PRESS	Minor source	No
WAVERLY TAILORS	Minor source	No
WAVERLY UNITED METHODIST CHURCH	Minor source	No
WAVERLY WAY, 1688	Minor source	No
WAVERLY WOODS SHELL	Minor source	No
WAWA	Minor source	No
WAWA	Minor source	No

Figures from EPA’s ICIS-AIR download.