County page
Mason County
Mason County currently shows 0 Superfund sites, 48 imported facility profiles, and 1,429,406 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 Mason County.
The latest loaded TRI year is 2024, with 1,429,406 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
Facilities
Worst polluters and compliance pressure
Carmeuse Lime & Stone Inc
Violation Identified across 7 of the last 12 quarters in the imported ECHO record.
United Parcel Service, Inc.
No Violation Identified with $5,300,000 in recorded penalties.
East Ky Power Coop - Spurlock Station
No Violation Identified across 1 of the last 12 quarters in the imported ECHO record.
Bobby Harper Dist
Significant noncompliance across 5 of the last 12 quarters in the imported ECHO record.
Ktc Mason County Maintenance Garage
Significant noncompliance across 4 of the last 12 quarters in the imported ECHO record.
Mason Co State Maintenance Garage
Significant noncompliance across 4 of the last 12 quarters in the imported ECHO record.
Temple-inland
No Violation Identified across 3 of the last 12 quarters in the imported ECHO record.
Wald L L C
No Violation Identified across 3 of the last 12 quarters in the imported ECHO record.
Western Lewis Rectorville Water District
Violation Identified across 3 of the last 12 quarters in the imported ECHO record.
Emerson Power Trans Corp
No Violation Identified across 2 of the last 12 quarters in the imported ECHO record.
Kroger Co-store 420-14
No Violation Identified across 2 of the last 12 quarters in the imported ECHO record.
Meadowcrest Mhp
No Violation Identified across 2 of the last 12 quarters in the imported ECHO record.
Green Tokai Co - Maysville
No Violation Identified across 1 of the last 12 quarters in the imported ECHO record.
Mitsubishi Electric Automotive America Inc
No Violation Identified across 1 of the last 12 quarters in the imported ECHO record.
Lowe's of Maysville #2497
No Violation Identified across 1 of the last 12 quarters in the imported ECHO record.
Mayslick Heritage Apartments
No Violation Identified across 1 of the last 12 quarters in the imported ECHO record.
Meadowview Regional Medical Center
No Violation Identified across 1 of the last 12 quarters in the imported ECHO record.
Standard Supply Co
No Violation Identified across 1 of the last 12 quarters in the imported ECHO record.
Maysville-mason County Landfill
No Violation Identified. Last recorded ECHO inspection: 2025-07-25.
Fleming-mason County Airport
No Violation Identified. Last recorded ECHO inspection: 2026-01-30.
| Chemical | Group | Facilities | Total pounds |
|---|---|---|---|
| Manganese compounds | TRI-listed chemical | 1 | 350,638 lbs |
| Barium compounds (except for barium sulfate (CAS No. 7727-43-7)) | TRI-listed chemical | 1 | 200,799 lbs |
| Sulfuric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size) | TRI-listed chemical | 1 | 130,000 lbs |
| Zinc compounds | TRI-listed chemical | 1 | 121,420 lbs |
| Chromium compounds (except for chromite ore mined in the Transvaal Region) | Metals and metal compounds | 1 | 120,152 lbs |
| Copper compounds | TRI-listed chemical | 1 | 100,130 lbs |
| Vanadium compounds | TRI-listed chemical | 1 | 100,094 lbs |
| Nickel compounds | Metals and metal compounds | 1 | 72,136 lbs |
| Cyanide compounds | TRI-listed chemical | 1 | 68,000 lbs |
| Arsenic compounds | TRI-listed chemical | 1 | 47,081 lbs |
| Hydrochloric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size) | TRI-listed chemical | 1 | 45,000 lbs |
| Lead compounds | Metals and metal compounds | 3 | 37,206 lbs |
| Cobalt compounds | TRI-listed chemical | 1 | 20,026 lbs |
| Ammonia | TRI-listed chemical | 1 | 11,203 lbs |
| Hydrogen fluoride | TRI-listed chemical | 1 | 4,500 lbs |
| Mercury compounds | TRI-listed chemical | 1 | 1,012 lbs |
| Lead | Metals and metal compounds | 1 | 7 lbs |
| Dioxin and dioxin-like compounds | TRI-listed chemical | 1 | 2 lbs |
| Mercury | TRI-listed chemical | 1 | 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 Kentucky
Kentucky facilities in the imported ECHO data show air-program oversight, inspections, or noncompliance signals.
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Clean Water Act violations in Kentucky
Kentucky facilities in the imported ECHO data show water-permit pressure, inspections, or noncompliance signals.
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RCRA violations in Kentucky
Kentucky facilities in the imported ECHO data show hazardous-waste or RCRA oversight signals.