EPA Air · NAAQS nonattainment
Air-emissions sources in nonattainment counties, Maryland
Facilities in a county EPA has designated as not meeting a National Ambient Air Quality Standard (NAAQS) for at least one pollutant, per EPA’s Green Book of currently designated areas.
- 6,437Facilities
| Facility↑↓ | Classification↑↓ | HPV |
|---|---|---|
| HOFFMAN, HOWARD G. INC. | Minor source | No |
| HOLABIRD MIDDLE SCHOOL | Minor source | No |
| HOLIDAY INN - ANNAPOLIS | Minor source | No |
| HOLIDAY INN - CHEVY CHASE | Minor source | No |
| HOLIDAY INN - GLEN BURNIE #2 | Minor source | No |
| HOLIDAY INN - HOLIDAY DRIVE | Minor source | No |
| HOLIDAY INN - REISTERSTOWN ROAD | Minor source | No |
| HOLIDAY INN - WEST PATRICK ST.-FRED. | Minor source | No |
| HOLLIFIELD STATION ELEMENTARY SCHOOL | Minor source | No |
| HOLLY HALL ELEMENTARY SCHOOL | Minor source | No |
| HOLLY HILLS COUNTRY CLUB | Minor source | No |
| HOLLY LANE, 6300 | Minor source | No |
| HOLLY LANE, 6305 | Minor source | No |
| HOLLY LANE, 6313 | Minor source | No |
| HOLLYWOOD ELEMENTARY SCHOOL | Minor source | No |
| HOLTON ARMS SCHOOL | Minor source | No |
| HOLY COMFORTER CH | Minor source | No |
| HOLY CROSS ELEMENTARY SCHOOL | Minor source | No |
| HOLY CROSS HOSPITAL OF SILVER SPRING | Synthetic minor source | No |
| HOLY CROSS INST. OF HUMAN RESOURCES | Minor source | No |
| HOLY FAMILY R.C. CHURCH & SCHOOL | Minor source | No |
| HOLY REDEEMER CHURCH | Minor source | No |
| HOLY REDEEMER ROMAN CATHOLIC CHURCH | Minor source | No |
| HOLY TRINITY ROMAN CATHOLIC CONGREGATION | Minor source | No |
| HOMART PRESS & ENVELOPE COMPANY | Minor source | No |
| HOMECREST ROAD, 14508 | Minor source | No |
| HOMESTEAD ELEMENTARY SCHOOL | Minor source | No |
| HOMESTEAD FLOWER GAR | Minor source | No |
| HOMESTEAD PUBLISHING | Minor source | No |
| HOMEWOOD RETIREMENT CENTER | Minor source | No |
| HOMEWOOD RETIREMENT CENTER | Minor source | No |
| HOMEWOOD SUITES - 1247 WINTERSON RD | Minor source | No |
| HONEYGO RUN RECLAMATION CENTER | Minor source | No |
| HOOD COLLEGE | Minor source | No |
| HOOVER, HERBERT MIDDLE SCHOOL | Minor source | No |
| HOPE EVANGELICAL LUTHERAN CHURCH | Minor source | No |
| HOPKINS VILLAGE | Minor source | No |
| HOPKINS, JOHNS ACADEMIC RESEARCH | Minor source | No |
| HORSEY INC. | Minor source | No |
| HORST FENCING SERVICE | Minor source | No |
| HOTTEL, HARVEY W., INC. | Minor source | No |
| HOUSTON AVENUE, 636 | Minor source | No |
| HOUSTON AVENUE, 657 | Minor source | No |
| HOUSTON AVENUE, 666 | Minor source | No |
| HOUSTON AVENUE, 676 | Minor source | No |
| HOWARD CO. BD. EDUC. | Minor source | No |
| HOWARD COMMUNITY COLLEGE | Minor source | No |
| HOWARD COUNTY COURTHOUSE | Minor source | No |
| HOWARD COUNTY DEPT OF PUBLIC WORKS | Minor source | No |
| HOWARD COUNTY GATEWAY SCHOOL | Minor source | No |
| HOWARD COUNTY GENERAL HOSPITAL | Minor source | No |
| HOWARD COUNTY OFFICES | Minor source | No |
| HOWARD COUNTY SCHOOLS-MAINTENANCE | Minor source | No |
| HOWARD CTY. EQUIP. STORAGE & REPAIR | Minor source | No |
| HOWARD CTY. VEHICLE MAINT. - ELKRID | Minor source | No |
| HOWARD HIGH SCHOOL | Minor source | No |
| HOWARD HUGHES MEDICAL INSTITUTE | Synthetic minor source | No |
| HOWARD VOCATIONAL TECH. CENTER | Minor source | No |
| HOWARD, JOHN E. ELEMENTARY SCHOOL | Minor source | No |
| HRW SYSTEMS | Minor source | No |
| HUB CITY AUTO BODY | Minor source | No |
| HUB LABELS | Minor source | No |
| HUBER WELDING SERVICE | Minor source | No |
| HUNT VALLEY GOLF CLUB | Minor source | No |
| HUNTINGTON COMMUNITY CENTER | Minor source | No |
| HUNTINGTOWN ROAD ELEMENTARY SCHOOL | Minor source | No |
| HUNTLEY SQUARE DRIVE, 3324 | Minor source | No |
| HUNTT FUNERAL HOME | Minor source | No |
| HUS AUTO BODY REPAIRS & SERVICES | Minor source | No |
| HUTTON BROTHERS | Minor source | No |
| HUTZLER-WESTVIEW | Minor source | No |
| HYATTSVILLE AUTO BODY | Minor source | No |
| HYATTSVILLE ELEMENTARY SCHOOL | Minor source | No |
| HYATTSVILLE MIDDLE SCHOOL | Minor source | No |
| HYATTSVILLE MOVING CO. | Minor source | No |
| HYATTSVILLE PRESBYTERIAN CHURCH | Minor source | No |
| HYDRO CONDUIT | Minor source | No |
| HYDRO GLASS | Minor source | No |
| HYDROLAWN | Minor source | No |
| HYMAN, GEORGE CONSTRUCTION COMPANY | Minor source | No |
| I-MART MAGUIRE'S MOBIL | Minor source | No |
| I.B.M. REAL ESTATE DIVISION | Minor source | No |
| IBM CORPORATION | Minor source | No |
| IDA MAE SALADS | Minor source | No |
| IGA SUPERMARKET | Minor source | No |
| IKO NORTHEAST, INC. | Synthetic minor source | No |
| IMMAC CONCEPTION SCH | Minor source | No |
| IMMACULATE AUTO BODY | Minor source | No |
| IMMACULATE CONCEPTN | Minor source | No |
| IMMACULATE HEART OF MARY R.C. CHURCH | Minor source | No |
| IMPERIAL AUTO BODY | Minor source | No |
| IMPROVED ORDER OF THE REDMAN | Minor source | No |
| IN AND OUT AUTO BODY | Minor source | No |
| INCOR | Minor source | No |
| INDEPENDENT CAN COMPANY | Synthetic minor source | No |
| INDEPENDENT CAN COMPANY | Minor source | No |
| INDIAN HEAD ELEMENTARY SCHOOL | Minor source | No |
| INDIAN HEAD HIGHWAY, 7903 | Minor source | No |
| INDIAN HEAD HIGHWAY, 7907 | Minor source | No |
| INDIAN HEAD HIGHWAY, 7911 | Minor source | No |
Facility and location figures from EPA’s ICIS-AIR download. Nonattainment designation from EPA’s Green Book, by county and state.