State page

Maryland

Maryland is now being served from live EPA ingest data pulled into SQLite for ECHO, TRI, and Superfund layers.

22 Superfund-style pages 3,697 facilities 3,650 violation signals

Counties

County pages in Maryland

Rosedale

Baltimore County

Baltimore County currently shows 3 Superfund sites, 399 imported facility profiles, and 31,612 lbs in loaded TRI releases.

3 cleanup pages 399 facilities 31.6K lbs

Baltimore

Anne Arundel County

Anne Arundel County currently shows 2 Superfund sites, 381 imported facility profiles, and 77,809 lbs in loaded TRI releases.

2 cleanup pages 381 facilities 77.8K lbs

Edgewood

Harford County

Harford County currently shows 3 Superfund sites, 244 imported facility profiles, and 37,212 lbs in loaded TRI releases.

3 cleanup pages 244 facilities 37.2K lbs

Baltimore

Baltimore City County

Baltimore City County currently shows 1 Superfund site, 231 imported facility profiles, and 85,439 lbs in loaded TRI releases.

1 cleanup pages 231 facilities 85.4K lbs

Elkton

Cecil County

Cecil County currently shows 5 Superfund sites, 189 imported facility profiles, and 58,213 lbs in loaded TRI releases.

5 cleanup pages 189 facilities 58.2K lbs

Indian Head

Charles County

Charles County currently shows 1 Superfund site, 150 imported facility profiles, and 165,489 lbs in loaded TRI releases.

1 cleanup pages 150 facilities 165.5K lbs

Hagerstown

Washington County

Washington County currently shows 1 Superfund site, 142 imported facility profiles, and 161,740 lbs in loaded TRI releases.

1 cleanup pages 142 facilities 161.7K lbs

Salisbury

Wicomico County

Wicomico County currently shows 0 Superfund sites, 121 imported facility profiles, and 292,719 lbs in loaded TRI releases.

0 cleanup pages 121 facilities 292.7K lbs

Westminster

Carroll County

Carroll County currently shows 0 Superfund sites, 180 imported facility profiles, and 10,402 lbs in loaded TRI releases.

0 cleanup pages 180 facilities 10.4K lbs

Fishing Creek

Dorchester County

Dorchester County currently shows 0 Superfund sites, 74 imported facility profiles, and 1,613,242 lbs in loaded TRI releases.

0 cleanup pages 74 facilities 1.6M lbs

Capitol Heights

Prince Georges County

Prince Georges County currently shows 0 Superfund sites, 232 imported facility profiles, and 509 lbs in loaded TRI releases.

0 cleanup pages 232 facilities 509 lbs

Elkridge

Howard County

Howard County currently shows 0 Superfund sites, 160 imported facility profiles, and 2,006 lbs in loaded TRI releases.

0 cleanup pages 160 facilities 2.0K lbs

Gaithersburg

Montgomery County

Montgomery County currently shows 0 Superfund sites, 224 imported facility profiles, and 75 lbs in loaded TRI releases.

0 cleanup pages 224 facilities 75 lbs

Cumberland

Allegany County

Allegany County currently shows 1 Superfund site, 100 imported facility profiles, and 10,705 lbs in loaded TRI releases.

1 cleanup pages 100 facilities 10.7K lbs

Millington

Kent County

Kent County currently shows 0 Superfund sites, 72 imported facility profiles, and 1,128 lbs in loaded TRI releases.

0 cleanup pages 72 facilities 1.1K lbs

Frederick

Frederick County

Frederick County currently shows 1 Superfund site, 202 imported facility profiles, and 0 lbs in loaded TRI releases.

1 cleanup pages 202 facilities 0 lbs

Ridgely

Caroline County

Caroline County currently shows 0 Superfund sites, 56 imported facility profiles, and 708 lbs in loaded TRI releases.

0 cleanup pages 56 facilities 708 lbs

California

St Marys County

St Marys County currently shows 0 Superfund sites, 91 imported facility profiles, and 1 lbs in loaded TRI releases.

0 cleanup pages 91 facilities 1 lbs

Ocean City

Worcester County

Worcester County currently shows 0 Superfund sites, 97 imported facility profiles, and 0 lbs in loaded TRI releases.

0 cleanup pages 97 facilities 0 lbs

Prince Frederick

Calvert County

Calvert County currently shows 0 Superfund sites, 78 imported facility profiles, and 0 lbs in loaded TRI releases.

0 cleanup pages 78 facilities 0 lbs

Swanton

Garrett County

Garrett County currently shows 0 Superfund sites, 74 imported facility profiles, and 0 lbs in loaded TRI releases.

0 cleanup pages 74 facilities 0 lbs

Easton

Talbot County

Talbot County currently shows 0 Superfund sites, 59 imported facility profiles, and 0 lbs in loaded TRI releases.

0 cleanup pages 59 facilities 0 lbs

Stevensville

Queen Annes County

Queen Annes County currently shows 0 Superfund sites, 56 imported facility profiles, and 0 lbs in loaded TRI releases.

0 cleanup pages 56 facilities 0 lbs

Andrews Air Force Base

Prince George S County

Prince George S County currently shows 3 Superfund sites, 7 imported facility profiles, and 0 lbs in loaded TRI releases.

3 cleanup pages 7 facilities 0 lbs

Ewell

Somerset County

Somerset County currently shows 0 Superfund sites, 39 imported facility profiles, and 0 lbs in loaded TRI releases.

0 cleanup pages 39 facilities 0 lbs

Leonardtown

Saint Marys County

Saint Marys County currently shows 0 Superfund sites, 12 imported facility profiles, and 0 lbs in loaded TRI releases.

0 cleanup pages 12 facilities 0 lbs

Patuxent River

St Mary S County

St Mary S County currently shows 1 Superfund site, 0 imported facility profiles, and 0 lbs in loaded TRI releases.

1 cleanup pages 0 facilities 0 lbs

Gaithersburg

Morgan County

Morgan County currently shows 0 Superfund sites, 3 imported facility profiles, and 0 lbs in loaded TRI releases.

0 cleanup pages 3 facilities 0 lbs

Potomac

Hills County

Hills County currently shows 0 Superfund sites, 2 imported facility profiles, and 0 lbs in loaded TRI releases.

0 cleanup pages 2 facilities 0 lbs

Darlington

Lancaster County

Lancaster County currently shows 0 Superfund sites, 2 imported facility profiles, and 0 lbs in loaded TRI releases.

0 cleanup pages 2 facilities 0 lbs

Top facilities

Featured facility profiles

Significant Violation TRI + Clean Air Act + Clean Water Act + RCRA

Perdue Agribusiness Inc, Zion Church Road Complex

Significant Violation across 12 of the last 12 quarters, with $16,036,500 in recorded penalties.

268,238 lbs $16,036,500 penalties
Significant Violation TRI + Clean Air Act + Clean Water Act + RCRA

Amrize Hagerstown Cement Plant (formerly Holcim Ha

Significant Violation across 12 of the last 12 quarters, with $128,000 in recorded penalties.

7,781 lbs $128,000 penalties
Significant noncompliance TRI + Clean Air Act + Clean Water Act + RCRA

Grace – Curtis Bay Works

Significant noncompliance across 9 of the last 12 quarters, with $47,000 in recorded penalties.

83,180 lbs $47,000 penalties
Violation Identified TRI + Clean Air Act + Clean Water Act + RCRA

Heidelberg Materials Us Cement Llc

Violation Identified across 8 of the last 12 quarters, with $50,000 in recorded penalties.

10,336 lbs $50,000 penalties

Violation pages

State-level enforcement entry points

Clean Air Act violations in Maryland

Maryland facilities in the imported ECHO data show air-program oversight, inspections, or noncompliance signals.

Air-program pages are where odor, smoke, and neighborhood exposure searches turn into specific facility histories.
Clean Water Act violations in Maryland

Maryland facilities in the imported ECHO data show water-permit pressure, inspections, or noncompliance signals.

Water-permit pages convert raw monitoring and discharge fields into a public-facing entry point.
RCRA violations in Maryland

Maryland facilities in the imported ECHO data show hazardous-waste or RCRA oversight signals.

RCRA pages widen the site beyond release-volume stories and into storage, disposal, and hazardous-waste compliance.