County page
New Castle County
New Castle County currently shows 12 Superfund sites, 238 imported facility profiles, and 4,399,365 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 New Castle County.
The latest loaded TRI year is 2024, with 4,399,365 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
Army Creek Landfill
Army Creek Landfill is in EPA's Superfund layer for New Castle, DE. Live ingestion currently includes the official EPA detail links and geocoded site record.
Delaware City Pvc Plant
Delaware City Pvc Plant is in EPA's Superfund layer for New Castle, DE. Live ingestion currently includes the official EPA detail links and geocoded site record.
Delaware Sand Gravel Landfill
Delaware Sand Gravel Landfill is in EPA's Superfund layer for New Castle, DE. Live ingestion currently includes the official EPA detail links and geocoded site record.
E I Du Pont de Nemours Co Inc Newport Pigment Plant Landfill
E I Du Pont de Nemours Co Inc Newport Pigment Plant Landfill is in EPA's Superfund layer for Newport, DE. Live ingestion currently includes the official EPA detail links and geocoded site record.
East Basin Road Groundwater
East Basin Road Groundwater is in EPA's Superfund layer for New Castle, DE. Live ingestion currently includes the official EPA detail links and geocoded site record.
Halby Chemical Co
Halby Chemical Co is in EPA's Superfund layer for New Castle, DE. Live ingestion currently includes the official EPA detail links and geocoded site record.
Harvey Knott Drum Inc
Harvey Knott Drum Inc is in EPA's Superfund layer for Kirkwood, DE. Live ingestion currently includes the official EPA detail links and geocoded site record.
Hockessin Groundwater
Hockessin Groundwater is in EPA's Superfund layer for Hockessin, DE. Live ingestion currently includes the official EPA detail links and geocoded site record.
Koppers Co Inc Newport Plant
Koppers Co Inc Newport Plant is in EPA's Superfund layer for Newport, DE. Live ingestion currently includes the official EPA detail links and geocoded site record.
Newark South Ground Water Plume
Newark South Ground Water Plume is in EPA's Superfund layer for Newark, DE. Live ingestion currently includes the official EPA detail links and geocoded site record.
Standard Chlorine of Delaware Inc
Standard Chlorine of Delaware Inc is in EPA's Superfund layer for New Castle, DE. Live ingestion currently includes the official EPA detail links and geocoded site record.
Tybouts Corner Landfill
Tybouts Corner Landfill is in EPA's Superfund layer for New Castle, DE. Live ingestion currently includes the official EPA detail links and geocoded site record.
Facilities
Worst polluters and compliance pressure
Delaware City Refining Company Llc
Significant Violation across 11 of the last 12 quarters, with $820,000 in recorded penalties.
Croda, Inc. Atlas Point Plant Site
Significant Violation across 12 of the last 12 quarters, with $7,500 in recorded penalties.
Rogers Corporation - Bear
Significant Violation across 8 of the last 12 quarters, with $11,250 in recorded penalties.
Divi Enterprise
Significant Violation across 10 of the last 12 quarters, with $10,000 in recorded penalties.
Delaware Recyclable Products, Inc.
Significant noncompliance across 7 of the last 12 quarters, with $200,000 in recorded penalties.
Delaware Auto Salvage
Significant Violation across 9 of the last 12 quarters, with $10,000 in recorded penalties.
Floor Coatings Etc. Inc.
Significant noncompliance across 7 of the last 12 quarters, with $10,000 in recorded penalties.
Nalco Warehouse North Side
Significant noncompliance across 7 of the last 12 quarters, with $10,000 in recorded penalties.
Diamond State Port Corporation - R/r Flood Controls
Significant Violation across 12 of the last 12 quarters in the imported ECHO record.
Christiana Care Health Services-christiana Hospital
Significant noncompliance across 5 of the last 12 quarters, with $10,000 in recorded penalties.
Satys Aftermarket Delaware Llc
Significant noncompliance across 5 of the last 12 quarters, with $10,000 in recorded penalties.
Summit Aviation Inc.
Significant noncompliance across 5 of the last 12 quarters, with $10,000 in recorded penalties.
University of Delaware
Significant noncompliance across 4 of the last 12 quarters, with $9,000 in recorded penalties.
Delaware Turnpike Administration-treatment Plant
Violation Identified across 11 of the last 12 quarters in the imported ECHO record.
The Little Campus, Llc-treatment Plant
Violation Identified across 11 of the last 12 quarters in the imported ECHO record.
Adesis, Inc.
Significant noncompliance across 4 of the last 12 quarters, with $10,000 in recorded penalties.
Modern Press Inc
Significant noncompliance across 4 of the last 12 quarters, with $10,000 in recorded penalties.
Prince Minerals Llc
No Violation Identified with $16,513 in recorded penalties.
United Parcel Service - Christiana (denew)
No Violation Identified with $5,300,000 in recorded penalties.
United Parcel Service - Denwt
No Violation Identified with $5,300,000 in recorded penalties.
| Chemical | Group | Facilities | Total pounds |
|---|---|---|---|
| Nitrate compounds (water dissociable; reportable only when in aqueous solution) | TRI-listed chemical | 3 | 3,961,469 lbs |
| Sulfuric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size) | TRI-listed chemical | 2 | 126,675 lbs |
| Hydrogen cyanide | TRI-listed chemical | 1 | 114,657 lbs |
| Ammonia | TRI-listed chemical | 3 | 78,079 lbs |
| Methanol | TRI-listed chemical | 6 | 44,902 lbs |
| n-Hexane | TRI-listed chemical | 3 | 22,432 lbs |
| Hydrogen sulfide | TRI-listed chemical | 2 | 10,201 lbs |
| Xylene (mixed isomers) | Volatile organic compound | 3 | 10,176 lbs |
| Ethylene | TRI-listed chemical | 3 | 7,548 lbs |
| Toluene | Volatile organic compound | 4 | 3,199 lbs |
| Benzene | Volatile organic compound | 1 | 2,355 lbs |
| Manganese compounds | TRI-listed chemical | 2 | 2,079 lbs |
| Naphthalene | TRI-listed chemical | 3 | 2,048 lbs |
| Ethylbenzene | Volatile organic compound | 2 | 1,702 lbs |
| Cyclohexane | TRI-listed chemical | 1 | 1,478 lbs |
| Propylene | TRI-listed chemical | 2 | 1,275 lbs |
| Carbon disulfide | TRI-listed chemical | 1 | 1,110 lbs |
| Chromium compounds (except for chromite ore mined in the Transvaal Region) | Metals and metal compounds | 1 | 1,012 lbs |
| Zinc compounds | TRI-listed chemical | 1 | 720 lbs |
| 1, 2, 4-Trimethylbenzene | Volatile organic compound | 2 | 692 lbs |
Violation pages
State-level violation context tied to this county
-
Clean Air Act violations in Delaware
Delaware facilities in the imported ECHO data show air-program oversight, inspections, or noncompliance signals.
-
Clean Water Act violations in Delaware
Delaware facilities in the imported ECHO data show water-permit pressure, inspections, or noncompliance signals.
-
RCRA violations in Delaware
Delaware facilities in the imported ECHO data show hazardous-waste or RCRA oversight signals.