County page
Harford County
Harford County currently shows 3 Superfund sites, 244 imported facility profiles, and 37,212 lbs in loaded TRI releases.
Overview
What this county page is saying
This live county page is generated from the ingested EPA datasets. It merges ECHO facility compliance rows, TRI release totals, and any Superfund sites attached to Harford County.
The latest loaded TRI year is 2024, with 37,212 lbs in county-level on-site releases tied to the imported facility set.
Focus points
Design and product notes
County pages combine facility compliance history with chemical release totals.
TRI chemistry shows what is being reported, while ECHO shows who keeps drawing enforcement attention.
Superfund records add legacy cleanup context even when live contaminant detail is still sparse.
Superfund layer
Cleanup sites in this county
Aberdeen Proving Ground Edgewood Area
Aberdeen Proving Ground Edgewood Area is in EPA's Superfund layer for Edgewood, MD. Live ingestion currently includes the official EPA detail links and geocoded site record.
Aberdeen Proving Ground Michaelsville Landfill
Aberdeen Proving Ground Michaelsville Landfill is in EPA's Superfund layer for Aberdeen, MD. Live ingestion currently includes the official EPA detail links and geocoded site record.
Bush Valley Landfill
Bush Valley Landfill is in EPA's Superfund layer for Abingdon, MD. Live ingestion currently includes the official EPA detail links and geocoded site record.
Facilities
Worst polluters and compliance pressure
Us Army Aberdeen Proving Ground
Significant noncompliance across 5 of the last 12 quarters, with $165,056 in recorded penalties.
Youth's Benefit School
Significant noncompliance across 10 of the last 12 quarters, with $14,268 in recorded penalties.
Huber, J.m. Corporation
Violation Identified across 12 of the last 12 quarters in the imported ECHO record.
Havre de Grace Wastewater Treatment Facility
Violation Identified across 12 of the last 12 quarters in the imported ECHO record.
Joppatowne Wwtp
Violation Identified across 12 of the last 12 quarters in the imported ECHO record.
Sod Run Wastewater Treatment Plant
Violation Identified across 12 of the last 12 quarters in the imported ECHO record.
Aberdeen Proving Ground, Aberdeen Area Wwtp
Violation Identified across 12 of the last 12 quarters in the imported ECHO record.
Aberdeen Proving Ground-aberdeen Area & Edgewood Area
Significant Violation across 12 of the last 12 quarters in the imported ECHO record.
Food Lion, Inc. Store # 1423 (campus Hills Shopping Center)
Significant Violation across 12 of the last 12 quarters in the imported ECHO record.
Naughty Dog
Significant Violation across 12 of the last 12 quarters in the imported ECHO record.
Mountain Christian Church
Significant Violation across 11 of the last 12 quarters in the imported ECHO record.
Bel Air Xtra Fuels
Significant Violation across 11 of the last 12 quarters in the imported ECHO record.
Broad Creek Memorial Scout Reservation Pool
Significant Violation across 11 of the last 12 quarters in the imported ECHO record.
Campus Hills Water Works
Significant Violation across 11 of the last 12 quarters in the imported ECHO record.
Millstad Center
Significant Violation across 11 of the last 12 quarters in the imported ECHO record.
Otter Creek Marina
Significant Violation across 11 of the last 12 quarters in the imported ECHO record.
Christian Child Care Center of Whiteford
Violation Identified across 11 of the last 12 quarters in the imported ECHO record.
Fair Meadows-fair Meadows
Violation Identified across 11 of the last 12 quarters in the imported ECHO record.
Highland Community Asc./child. Cntr. N.
Violation Identified across 11 of the last 12 quarters in the imported ECHO record.
Jacobs Well Assisted Living Home
Violation Identified across 11 of the last 12 quarters in the imported ECHO record.
| Chemical | Group | Facilities | Total pounds |
|---|---|---|---|
| Methanol | TRI-listed chemical | 3 | 25,476 lbs |
| Lead | Metals and metal compounds | 2 | 6,256 lbs |
| Ammonia | TRI-listed chemical | 1 | 2,090 lbs |
| Certain glycol ethers | TRI-listed chemical | 1 | 1,421 lbs |
| Nitrate compounds (water dissociable; reportable only when in aqueous solution) | TRI-listed chemical | 1 | 823 lbs |
| Copper | TRI-listed chemical | 1 | 296 lbs |
| 2-Ethoxyethanol | TRI-listed chemical | 1 | 255 lbs |
| N-Methyl-2-pyrrolidone | TRI-listed chemical | 1 | 250 lbs |
| 1, 2, 4-Trimethylbenzene | Volatile organic compound | 1 | 177 lbs |
| Tetrabromobisphenol A | TRI-listed chemical | 1 | 77 lbs |
| Ethylene glycol | TRI-listed chemical | 2 | 36 lbs |
| Lead compounds | Metals and metal compounds | 2 | 25 lbs |
| Toluene | Volatile organic compound | 1 | 23 lbs |
| Toluene diisocyanate (mixed isomers) | Volatile organic compound | 1 | 3 lbs |
| Diisocyanates | TRI-listed chemical | 1 | 3 lbs |
| Benzo[g, h, i]perylene | TRI-listed chemical | 2 | 0 lbs |
| Vinyl acetate | TRI-listed chemical | 1 | 0 lbs |
| Benzene | Volatile organic compound | 1 | 0 lbs |
| Aluminum (fume or dust) | TRI-listed chemical | 2 | 0 lbs |
| Chromium | Metals and metal compounds | 1 | 0 lbs |
Violation pages
State-level violation context tied to this county
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Clean Air Act violations in Maryland
Maryland facilities in the imported ECHO data show air-program oversight, inspections, or noncompliance signals.
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Clean Water Act violations in Maryland
Maryland facilities in the imported ECHO data show water-permit pressure, inspections, or noncompliance signals.
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RCRA violations in Maryland
Maryland facilities in the imported ECHO data show hazardous-waste or RCRA oversight signals.