County page
Mercer County
Mercer County currently shows 3 Superfund sites, 604 imported facility profiles, and 190,471 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 Mercer County.
The latest loaded TRI year is 2024, with 190,471 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
Osborne Landfill
Osborne Landfill is in EPA's Superfund layer for Grove City, PA. Live ingestion currently includes the official EPA detail links and geocoded site record.
Sharon Steel Corp Farrell Works Disposal Area
Sharon Steel Corp Farrell Works Disposal Area is in EPA's Superfund layer for Hermitage, PA. Live ingestion currently includes the official EPA detail links and geocoded site record.
Westinghouse Electric Corp Sharon Plant
Westinghouse Electric Corp Sharon Plant is in EPA's Superfund layer for Sharon, PA. Live ingestion currently includes the official EPA detail links and geocoded site record.
Facilities
Worst polluters and compliance pressure
Interstate Chemical Company, Inc.
Significant Violation across 12 of the last 12 quarters, with $27,300 in recorded penalties.
Salem Tube Mfg
Significant Violation across 12 of the last 12 quarters, with $1,000 in recorded penalties.
Greenville Metals Inc/transfer
Violation Identified across 6 of the last 12 quarters, with $21,700 in recorded penalties.
Scenic Mobile Home Park-well Pit
Violation Identified across 11 of the last 12 quarters, with $4,000 in recorded penalties.
Hemlock Mhp
Violation Identified across 10 of the last 12 quarters, with $10,510 in recorded penalties.
Hermitage Muni Auth Stp
Violation Identified across 8 of the last 12 quarters, with $4,500 in recorded penalties.
Maple Winds Mhp
Violation Identified across 9 of the last 12 quarters, with $500 in recorded penalties.
Temple Grove Campground
Violation Identified across 7 of the last 12 quarters, with $7,100 in recorded penalties.
Greenville Wastewater Treatment Plant
Violation Identified across 9 of the last 12 quarters, with $250 in recorded penalties.
Camp Nazareth-treatment Plant #1
Violation Identified across 12 of the last 12 quarters in the imported ECHO record.
Fairview Swiss Cheese
Significant Violation across 12 of the last 12 quarters in the imported ECHO record.
Greenville Mhp - Pumphouse
Significant Violation across 12 of the last 12 quarters in the imported ECHO record.
Jefferson Township Municipal Building
Violation Identified across 12 of the last 12 quarters in the imported ECHO record.
Pine Grove Mobile Home Park-treatment Plant
Significant Violation across 12 of the last 12 quarters in the imported ECHO record.
Route 322 Mhp
Violation Identified across 12 of the last 12 quarters in the imported ECHO record.
Sunnyview Mobile Home Park
Violation Identified across 12 of the last 12 quarters in the imported ECHO record.
Vernon Rd Srstp
Violation Identified across 12 of the last 12 quarters in the imported ECHO record.
American Legion Post 220-treatment Plant 300
Violation Identified across 12 of the last 12 quarters in the imported ECHO record.
Camp Wilhelm
Violation Identified across 12 of the last 12 quarters in the imported ECHO record.
Colonial Inn Motel-treatment Plant 1
Significant noncompliance across 12 of the last 12 quarters in the imported ECHO record.
| Chemical | Group | Facilities | Total pounds |
|---|---|---|---|
| Trichloroethylene | TRI-listed chemical | 2 | 86,680 lbs |
| Ammonia | TRI-listed chemical | 2 | 38,331 lbs |
| Styrene | Volatile organic compound | 2 | 27,368 lbs |
| Xylene (mixed isomers) | Volatile organic compound | 5 | 5,072 lbs |
| Zinc compounds | TRI-listed chemical | 4 | 3,431 lbs |
| Nitrate compounds (water dissociable; reportable only when in aqueous solution) | TRI-listed chemical | 1 | 3,416 lbs |
| Manganese | TRI-listed chemical | 9 | 3,342 lbs |
| N-Methyl-2-pyrrolidone | TRI-listed chemical | 1 | 2,803 lbs |
| Dichloromethane | TRI-listed chemical | 1 | 2,603 lbs |
| Nickel compounds | Metals and metal compounds | 4 | 2,442 lbs |
| n-Butyl alcohol | TRI-listed chemical | 4 | 2,089 lbs |
| Certain glycol ethers | TRI-listed chemical | 3 | 1,661 lbs |
| Methanol | TRI-listed chemical | 1 | 1,655 lbs |
| Toluene | Volatile organic compound | 4 | 1,619 lbs |
| n-Hexane | TRI-listed chemical | 2 | 1,209 lbs |
| 1, 2, 4-Trimethylbenzene | Volatile organic compound | 2 | 933 lbs |
| Ethylbenzene | Volatile organic compound | 2 | 933 lbs |
| Chromium compounds (except for chromite ore mined in the Transvaal Region) | Metals and metal compounds | 4 | 824 lbs |
| Lead compounds | Metals and metal compounds | 6 | 706 lbs |
| Tetrachloroethylene | TRI-listed chemical | 1 | 703 lbs |
Violation pages
State-level violation context tied to this county
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Clean Air Act violations in Pennsylvania
Pennsylvania facilities in the imported ECHO data show air-program oversight, inspections, or noncompliance signals.
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Clean Water Act violations in Pennsylvania
Pennsylvania facilities in the imported ECHO data show water-permit pressure, inspections, or noncompliance signals.
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RCRA violations in Pennsylvania
Pennsylvania facilities in the imported ECHO data show hazardous-waste or RCRA oversight signals.