County page
Cook County
Cook County currently shows 4 Superfund sites, 1255 imported facility profiles, and 2,242,242 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 Cook County.
The latest loaded TRI year is 2024, with 2,242,242 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
Acme Steel Coke Plant
Acme Steel Coke Plant is in EPA's Superfund layer for Chicago, IL. Live ingestion currently includes the official EPA detail links and geocoded site record.
Estech General Chemical Company
Estech General Chemical Company is in EPA's Superfund layer for Calumet City, IL. Live ingestion currently includes the official EPA detail links and geocoded site record.
Lake Calumet Cluster
Lake Calumet Cluster is in EPA's Superfund layer for Chicago, IL. Live ingestion currently includes the official EPA detail links and geocoded site record.
Schroud Property
Schroud Property is in EPA's Superfund layer for Chicago, IL. Live ingestion currently includes the official EPA detail links and geocoded site record.
Facilities
Worst polluters and compliance pressure
Allied Tube & Conduit
Violation Identified across 12 of the last 12 quarters, with $17,500 in recorded penalties.
Gerresheimer Glass Inc
Significant Violation across 12 of the last 12 quarters, with $208,820 in recorded penalties.
Ortek, Inc.
Significant Violation across 12 of the last 12 quarters, with $125,000 in recorded penalties.
Ingredion Inc Argo Plant
Significant Violation across 12 of the last 12 quarters in the imported ECHO record.
Pvs Chemical, Inc.
Violation Identified across 6 of the last 12 quarters, with $174,000 in recorded penalties.
Koppers, Inc.
Significant Violation across 12 of the last 12 quarters in the imported ECHO record.
Mah Machine Inc
Violation across 12 of the last 12 quarters, with $68,918 in recorded penalties.
South Water Filtration Plant
Significant Violation across 12 of the last 12 quarters, with $24,658 in recorded penalties.
Accu Labs Inc
Significant noncompliance across 11 of the last 12 quarters, with $204,778 in recorded penalties.
Cygnus Corp
Significant Violation across 12 of the last 12 quarters, with $22,944 in recorded penalties.
Skolnik Industries Inc
Violation across 12 of the last 12 quarters, with $10,000 in recorded penalties.
Color Communications Llc
Significant Violation across 12 of the last 12 quarters, with $10,125 in recorded penalties.
Ford Motor Co. - Chgo Assembly Plant
Significant noncompliance across 10 of the last 12 quarters in the imported ECHO record.
Libra Industries Inc
Significant Violation across 9 of the last 12 quarters, with $201,350 in recorded penalties.
Nylok Fastener Corp
Significant Violation across 12 of the last 12 quarters in the imported ECHO record.
Bridge Point Mccook 3 Development
Violation across 10 of the last 12 quarters, with $15,000 in recorded penalties.
Gj Nikolas Co
Violation Identified across 12 of the last 12 quarters in the imported ECHO record.
Shell Pipeline Company Lp
Significant Violation across 11 of the last 12 quarters in the imported ECHO record.
Heritage Environmental Services, Inc.
Significant noncompliance across 9 of the last 12 quarters, with $14,000 in recorded penalties.
Nacme Steel Processing Llc
Violation across 8 of the last 12 quarters, with $49,900 in recorded penalties.
| Chemical | Group | Facilities | Total pounds |
|---|---|---|---|
| Certain glycol ethers | TRI-listed chemical | 49 | 470,670 lbs |
| n-Hexane | TRI-listed chemical | 8 | 316,933 lbs |
| Xylene (mixed isomers) | Volatile organic compound | 28 | 188,840 lbs |
| n-Butyl alcohol | TRI-listed chemical | 14 | 147,361 lbs |
| Ammonia | TRI-listed chemical | 26 | 105,297 lbs |
| Acetaldehyde | TRI-listed chemical | 2 | 85,005 lbs |
| 1, 2, 4-Trimethylbenzene | Volatile organic compound | 19 | 82,914 lbs |
| Methanol | TRI-listed chemical | 34 | 81,548 lbs |
| Toluene | Volatile organic compound | 35 | 75,490 lbs |
| 1-Bromopropane | TRI-listed chemical | 6 | 74,891 lbs |
| Naphthalene | TRI-listed chemical | 13 | 69,375 lbs |
| Sulfuric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size) | TRI-listed chemical | 5 | 52,774 lbs |
| Maleic anhydride | TRI-listed chemical | 3 | 51,385 lbs |
| Phthalic anhydride | TRI-listed chemical | 2 | 43,675 lbs |
| Hydrogen sulfide | TRI-listed chemical | 1 | 41,208 lbs |
| Methyl isobutyl ketone | TRI-listed chemical | 11 | 40,946 lbs |
| Ethylbenzene | Volatile organic compound | 18 | 31,787 lbs |
| Zinc compounds | TRI-listed chemical | 41 | 30,166 lbs |
| Aluminum (fume or dust) | TRI-listed chemical | 7 | 22,419 lbs |
| Benzene | Volatile organic compound | 7 | 21,449 lbs |
Violation pages
State-level violation context tied to this county
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Clean Air Act violations in Illinois
Illinois facilities in the imported ECHO data show air-program oversight, inspections, or noncompliance signals.
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Clean Water Act violations in Illinois
Illinois facilities in the imported ECHO data show water-permit pressure, inspections, or noncompliance signals.
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RCRA violations in Illinois
Illinois facilities in the imported ECHO data show hazardous-waste or RCRA oversight signals.