Environmental compliance · county

Environmental compliance in New Castle County

1,154 active EPA-regulated sites in New Castle County, Delaware: 29 with an identified violation, 10 in significant violation, 446 inspections and $8.8 million in penalties over five years — EPA ECHO, as of October 18, 2026.

Cite: FACTANKER, https://factanker.com/us/de/new-castle-county/environmental-compliance

How many facilities in New Castle County, Delaware are regulated by the EPA, and how many are in violation (as of October 18, 2026)?

Measure	Value
Active EPA-regulated sites	1,154
Sites with an identified violation	29
Sites in significant violation	10
Inspections and evaluations, last 5 years	446
Formal enforcement actions, last 5 years	117
Penalties, last 5 years (shared federal cases once)	$8.8 million

How many active facilities in New Castle County, Delaware fall under each EPA program?

A facility can be in several programs.

Program	Active sites
Air (Clean Air Act)	208
Water discharge permits (Clean Water Act, NPDES)	85
Hazardous waste (RCRA)	931
Drinking water systems (SDWA)	60
Toxics Release Inventory reporters	28
Greenhouse gas reporters (GHGRP)	15

Which large facilities in New Castle County, Delaware does the EPA track, and are they in violation?

Facility	Compliance status	Quarters in violation (of 12)	Penalties, 5 years
CRODA INC New Castle, DE	Significant Violation	12	$7,500
DIAMOND STATE PORT CORPORATION - R/R FLOOD CONTROLS Wilmington, DE	Significant Violation	12	–
DELAWARE CITY REFINING CO LLC Delaware City, DE	Significant Violation	11	$1.5 million
CHRISTIANA CARE HEALTH SERVICES-CHRISTIANA HOSPITAL Newark, DE	No Violation Identified	5	$10,000
CITY OF WILMINGTON WATER POLLUTION CONTROL FAC. Wilmington, DE	No Violation Identified	5	–
E I DUPONT DE NEMOURS - EXPERIMENTAL STATION New Castle, DE	Violation Identified	5	–
UNIVERSITY OF DELAWARE Newark, DE	No Violation Identified	4	$9,000
ALFRED I DUPONT HOSPITAL FOR CHILDREN Wilmington, DE	No Violation Identified	3	$15,000
DUPONT ELECTRONIC MATERIALS CMP, LLC Newark, DE	No Violation Identified	3	–
FMC CORPORATION Newark, DE	No Violation Identified	3	$75,000
NATIONAL RAILROAD PASSENGER CORPORATION (AMTRAK) WILMINGTON MAINTENANCE FACILITY Wilmington, DE	No Violation Identified	3	–
OCCIDENTAL CHEMICAL CORP New Castle, DE	Violation Identified	3	–
ASHLAND SPECIALTY INGREDIENTS G.P. Wilmington, DE	No Violation Identified	2	–
BASF COLORS AND EFFECTS USA, LLC Newport, DE	No Violation Identified	2	–
BUCKEYE PORT WILMINGTON TERMINAL Wilmington, DE	No Violation Identified	2	–
HAY ROAD ENERGY CENTER Wilmington, DE	No Violation Identified	2	–
NEXPERA - RED LION PLANT New Castle, DE	No Violation Identified	2	–
E.I. DU PONT DE NEMOURS & COMPANY Newark, DE	No Violation Identified	1	–
AEARO TECHNOLOGIES LLC Newark, DE	No Violation Identified	0	–
CHEMOURS - EDGE MOOR PLANT Wilmington, DE	No Violation Identified	0	–
CHESTNUT RUN INNOVATION & SCIENCE PARK (CRISP) Wilmington, DE	No Violation Identified	0	$5,000
CHRISTIANA ENERGY CENTER Wilmington, DE	No Violation Identified	0	–
CLARIOS LLC - MIDDLETOWN DISTRIBUTION CENTER Middletown, DE	No Violation Identified	0	–
CLEAN EARTH OF NEW CASTLE New Castle, DE	No Violation Identified	0	–
DSWA CHERRY ISLAND LANDFILL (NSWMC) Wilmington, DE	No Violation Identified	0	–
FORMOSA PLASTICS CORPORATION Delaware City, DE	No Violation Identified	0	–
KUEHNE CHEMICAL COMPANY INC New Castle, DE	No Violation Identified	0	–
OMI, INC./CITY OF WILMINGTON (REBF) Wilmington, DE	No Violation Identified	0	–
VETERANS ADMINISTRATION HOSPITAL Wilmington, DE	No Violation Identified	0	–
WEST STATION (DE) Wilmington, DE	No Violation Identified	0	–

All figures for New Castle County · Delaware · United States

EPA Enforcement and Compliance History Online (ECHO), weekly national export. Counts cover active sites in the Facility Registry Service; inspections, formal actions and penalties cover the last five years, quarters in violation the last three years. The EPA attributes a case that covers several facilities to each of them; area penalty totals here count an amount shared through the same federal case once, facility figures show the amount attributed to that facility. Large facilities are Clean Air Act majors, Clean Water Act majors and large hazardous waste generators or handlers. Source record.

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