County page
Mason County
Mason County currently shows 0 Superfund sites, 31 imported facility profiles, and 29,458 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 29,458 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
Custer Wwsl
Violation Identified across 12 of the last 12 quarters in the imported ECHO record.
Dandy Farms-custer-cafo
Violation Identified across 12 of the last 12 quarters in the imported ECHO record.
Elmers Concrete of Ludington
Violation Identified across 12 of the last 12 quarters in the imported ECHO record.
Evoqua Water Technologies-ludington
Violation Identified across 12 of the last 12 quarters in the imported ECHO record.
Jack Pine Farms, Llc-allendale-cafo
Violation Identified across 12 of the last 12 quarters in the imported ECHO record.
Ludington Wwtp
Violation Identified across 12 of the last 12 quarters in the imported ECHO record.
Stp No. 2 Gwcu-ludington
Violation Identified across 11 of the last 12 quarters in the imported ECHO record.
Egle-rrd-star Watchcase Gwcu
Significant noncompliance across 9 of the last 12 quarters in the imported ECHO record.
United Parcel Service Inc
No Violation Identified with $5,300,000 in recorded penalties.
Maple Woods Rmg-cafo
Violation Identified across 6 of the last 12 quarters in the imported ECHO record.
Great Lakes Castings Llc
Violation Identified across 2 of the last 12 quarters in the imported ECHO record.
The Dow Chemical Company- Ludington, Mi Plant
No Violation Identified. Last recorded ECHO inspection: 2025-08-06.
Tamarac Village-treatment Plant 3
Significant noncompliance across 4 of the last 12 quarters in the imported ECHO record.
Straits Steel & Wire
No Violation Identified across 2 of the last 12 quarters in the imported ECHO record.
Holiday Village Mobile Home Park
No Violation Identified across 2 of the last 12 quarters in the imported ECHO record.
Scottville, City of
No Violation Identified across 1 of the last 12 quarters in the imported ECHO record.
Ludington Pumped Storage Facility
No Violation Identified. Last recorded ECHO inspection: 2023-10-31.
Metalworks Inc
No Violation Identified. Last recorded ECHO inspection: 2024-10-18.
Michigan Power Limited Partnership (n4975)
No Violation Identified. Last recorded ECHO inspection: 2024-06-25.
Floracraft Inc
No Violation Identified. Last recorded ECHO inspection: 2025-07-21.
| Chemical | Group | Facilities | Total pounds |
|---|---|---|---|
| Ammonia | TRI-listed chemical | 1 | 27,956 lbs |
| Manganese compounds | TRI-listed chemical | 1 | 1,288 lbs |
| Lead | Metals and metal compounds | 1 | 214 lbs |
| Diisocyanates | TRI-listed chemical | 1 | 0 lbs |
Violation pages
State-level violation context tied to this county
-
Clean Air Act violations in Michigan
Michigan facilities in the imported ECHO data show air-program oversight, inspections, or noncompliance signals.
-
Clean Water Act violations in Michigan
Michigan facilities in the imported ECHO data show water-permit pressure, inspections, or noncompliance signals.
-
RCRA violations in Michigan
Michigan facilities in the imported ECHO data show hazardous-waste or RCRA oversight signals.