Mercer County
Mercer County currently shows 0 Superfund sites, 34 imported facility profiles, and 19,411,901 lbs in loaded TRI releases.
Mercer County currently shows 0 Superfund sites, 34 imported facility profiles, and 19,411,901 lbs in loaded TRI releases.
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 19,411,901 lbs in county-level on-site releases tied to the imported facility set.
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.
Significant Violation across 6 of the last 12 quarters, with $130,985 in recorded penalties.
Violation Identified across 5 of the last 12 quarters in the imported ECHO record.
Violation Identified across 3 of the last 12 quarters in the imported ECHO record.
Significant Violation across 11 of the last 12 quarters in the imported ECHO record.
Significant Violation across 11 of the last 12 quarters in the imported ECHO record.
No Violation Identified across 3 of the last 12 quarters in the imported ECHO record.
Significant Violation across 8 of the last 12 quarters in the imported ECHO record.
Violation Identified across 6 of the last 12 quarters in the imported ECHO record.
Significant noncompliance across 6 of the last 12 quarters in the imported ECHO record.
Significant noncompliance across 6 of the last 12 quarters in the imported ECHO record.
Significant noncompliance across 5 of the last 12 quarters in the imported ECHO record.
No Violation Identified across 3 of the last 12 quarters in the imported ECHO record.
No Violation Identified across 2 of the last 12 quarters in the imported ECHO record.
No Violation Identified across 2 of the last 12 quarters in the imported ECHO record.
Violation Identified across 2 of the last 12 quarters in the imported ECHO record.
No Violation Identified across 1 of the last 12 quarters in the imported ECHO record.
No Violation Identified. Last recorded ECHO inspection: 2023-07-19.
No Violation Identified. Last recorded ECHO inspection: 2024-08-13.
No Violation Identified. Last recorded ECHO inspection: 2022-07-21.
No Violation Identified. Last recorded ECHO inspection: 2021-09-15.
| Chemical | Group | Facilities | Total pounds |
|---|---|---|---|
| Ammonia | TRI-listed chemical | 2 | 17,682,194 lbs |
| Barium compounds (except for barium sulfate (CAS No. 7727-43-7)) | TRI-listed chemical | 3 | 654,194 lbs |
| Acetonitrile | TRI-listed chemical | 1 | 450,033 lbs |
| Sulfuric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size) | TRI-listed chemical | 3 | 212,337 lbs |
| Manganese compounds | TRI-listed chemical | 3 | 138,366 lbs |
| Hydrogen sulfide | TRI-listed chemical | 1 | 51,190 lbs |
| Vanadium compounds | TRI-listed chemical | 3 | 43,967 lbs |
| Hydrochloric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size) | TRI-listed chemical | 3 | 34,909 lbs |
| Arsenic compounds | TRI-listed chemical | 2 | 30,603 lbs |
| Zinc compounds | TRI-listed chemical | 3 | 30,068 lbs |
| Ethylene | TRI-listed chemical | 1 | 19,957 lbs |
| Chromium compounds (except for chromite ore mined in the Transvaal Region) | Metals and metal compounds | 3 | 17,362 lbs |
| Lead compounds | Metals and metal compounds | 3 | 13,024 lbs |
| Benzene | Volatile organic compound | 1 | 5,769 lbs |
| Cresol (mixed isomers) | TRI-listed chemical | 1 | 5,000 lbs |
| Xylene (mixed isomers) | Volatile organic compound | 1 | 4,481 lbs |
| Cobalt compounds | TRI-listed chemical | 2 | 4,147 lbs |
| Hydrogen fluoride | TRI-listed chemical | 3 | 2,809 lbs |
| n-Hexane | TRI-listed chemical | 2 | 1,497 lbs |
| Polycyclic aromatic compounds | TRI-listed chemical | 1 | 1,450 lbs |
North Dakota facilities in the imported ECHO data show air-program oversight, inspections, or noncompliance signals.
North Dakota facilities in the imported ECHO data show water-permit pressure, inspections, or noncompliance signals.
North Dakota facilities in the imported ECHO data show hazardous-waste or RCRA oversight signals.