Clean Air Act
Clean Water Act
RCRA
NORTHROP GRUMMAN SYSTEMS CORPORATION - ELKTON
Quick Summary
- •Assessed $0 in total penalties since records began.
- Address
-
55 THIOKOL RD
ELKTON, MD 21921
View on map ↗ - County
- CECIL County
- Industry
- Manufacturing
- NAICS (North American Industry Classification)
- 336415
- Inspections
- 10 · last Jul 24, 2025
- Total Penalties
- $0 · last Oct 14, 2020
- Registry ID
- 110019877409
Compliance Violations
Individual permit violations recorded by the EPA across air, water, and hazardous waste programs. Open violations are unresolved as of the most recent ECHO data update.
| Program | Type | Violation Date | Return to Compliance | Status |
|---|---|---|---|---|
| rcra | Standards Applicable to Generators of HW: Pre-Transport Requirements Applicable to Small and Large Quantity Generators | Sep 22, 2022 | Sep 26, 2022 | Resolved |
| rcra | Standards for Universal Waste Management: Standards for Small Quantity Handlers | Jun 25, 2019 | Oct 14, 2020 | Resolved |
| rcra | Interim Status Standards for Owners and Operators of HW TSDs: Use and Management of Containers | Jun 25, 2019 | Oct 14, 2020 | Resolved |
| rcra | Violation of a permit condition or requirement | Jun 25, 2019 | Oct 14, 2020 | Resolved |
| rcra | Standards Applicable to Generators of HW: Pre-Transport Requirements Applicable to Small and Large Quantity Generators | Jun 25, 2019 | Oct 14, 2020 | Resolved |
| rcra | Standards Applicable to Recordkeeping and Reporting Applicable to Small and Large Quantity Generators | Jun 25, 2019 | Oct 14, 2020 | Resolved |
| rcra | Standards Applicable to Generators of HW: General | Nov 8, 2012 | Apr 1, 2013 | Resolved |
| rcra | EPA Administered Permit Programs: the HW Permit Program Permit Application | May 8, 2009 | Oct 6, 2009 | Resolved |
| rcra | Standards for Owners and Operators of HW TSDs: Preparedness and Prevention | May 8, 2009 | Oct 6, 2009 | Resolved |
| rcra | Standards Applicable to Generators of HW: General | Sep 20, 2005 | Sep 20, 2005 | Resolved |
| rcra | Standards Applicable to Generators of HW: Pre-Transport Requirements Applicable to Small and Large Quantity Generators | Sep 29, 1999 | Apr 18, 2001 | Resolved |
| rcra | Standards Applicable to Generators of HW: Pre-Transport Requirements Applicable to Small and Large Quantity Generators | Aug 19, 1997 | Aug 27, 1997 | Resolved |
| rcra | Standards Applicable to Generators of HW: Pre-Transport Requirements Applicable to Small and Large Quantity Generators | Nov 15, 1995 | Nov 15, 1995 | Resolved |
| rcra | Interim Status Standards for Owners and Operators of HW TSDs: Ground-Water Monitoring | Mar 30, 1995 | Dec 18, 1996 | Resolved |
| rcra | Standards Applicable to Generators of HW: Pre-Transport Requirements Applicable to Small and Large Quantity Generators | Mar 29, 1994 | Mar 29, 1994 | Resolved |
| rcra | Standards for Owners and Operators of HW TSDs: Incinerators | Mar 16, 1994 | May 14, 1994 | Resolved |
| rcra | Standards for Owners and Operators of HW TSDs: Use and Management of Containers | Sep 22, 1993 | Mar 29, 1994 | Resolved |
| rcra | Standards for Owners and Operators of HW TSDs: Tank Systems | Sep 22, 1993 | Mar 29, 1994 | Resolved |
| rcra | Standards Applicable to Generators of HW: General | Jul 23, 1992 | Aug 11, 1992 | Resolved |
| rcra | Land Disposal Restrictions: General | Jun 18, 1991 | Aug 15, 1995 | Resolved |
| rcra | Standards Applicable to Generators of HW: Pre-Transport Requirements Applicable to Small and Large Quantity Generators | Jun 18, 1991 | Jun 25, 1991 | Resolved |
| rcra | Standards for Owners and Operators of HW TSDs: General | Jul 19, 1990 | Jul 19, 1990 | Resolved |
| rcra | Standards for Owners and Operators of HW TSDs: General | Mar 9, 1990 | Jun 13, 1990 | Resolved |
| rcra | Standards for Owners and Operators of HW TSDs: General | Sep 20, 1989 | Jun 13, 1990 | Resolved |
| rcra | Standards for Owners and Operators of HW TSDs: General | Nov 14, 1988 | Jun 13, 1990 | Resolved |
| rcra | Standards for Owners and Operators of HW TSDs: General | Jan 31, 1986 | Feb 15, 1986 | Resolved |
Discharge Limit Exceedances
Instances where this facility's reported discharge monitoring results exceeded its permitted limits under the Clean Water Act. Exceedance percentage shows how far over the permit limit the discharge was.
| Pollutant | Violation | Reported | Limit | Exceedance | Period | Status |
|---|---|---|---|---|---|---|
| Total purgeable halocarbons | DMR, Limited - Numeric Violation | 0.40 mg/L | 0.10 | +296% | Mar 2017 | Open |
| Trichloroethene | DMR, Limited - Numeric Violation | 0.01 mg/L | 0.01 | +40% | Mar 2017 | Open |
| 1,1-Dichloroethene | DMR, Limited - Numeric Violation | 0.03 mg/L | 0.01 | +314% | Mar 2017 | Open |
Enforcement Actions
Formal enforcement cases brought by the EPA or state agencies, including administrative orders and civil penalties assessed. Penalty amounts reflect what was formally assessed, not necessarily what was collected.
Administrative - Formal
· Case 03-1981-0173
Administrative - Formal
· Case 03-1989-1636
Administrative - Formal
· Case 03-2021-0023 · Oct 14, 2020
$36,920
State CWA Penalty AO
Clean Water Act
· Case MD-PS-15-2169 · Nov 13, 2014
$500
Administrative - Formal
· Case 03-2000-0662 · Apr 20, 2001
$8,412
WRITTEN COMPLAINT
RCRA (Hazardous Waste)
· Case RCRA-MDD003067121-000 · Mar 29, 1994
State Administrative Order of Consent
Clean Water Act
· Case MD-N00000581 · Aug 30, 1993
WRITTEN COMPLAINT
RCRA (Hazardous Waste)
· Case RCRA-MDD003067121-006 · Jun 18, 1991
WRITTEN INFORMAL
RCRA (Hazardous Waste)
· Case RCRA-MDD003067121-005 · Jul 19, 1990
WRITTEN INFORMAL
RCRA (Hazardous Waste)
· Case RCRA-MDD003067121-003 · Mar 9, 1990
WRITTEN INFORMAL
RCRA (Hazardous Waste)
· Case RCRA-MDD003067121-002 · Sep 20, 1989
Administrative - Formal
· Case 03-1986-0709 · Dec 24, 1986
$7,300
FINAL 3008(A) COMPLIANCE ORDER
RCRA (Hazardous Waste)
· Case RCRA-MDD003067121-001 · Jan 31, 1986
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