SIKORSKY AIRCRAFT HEADQUARTERS
Quick Summary
- •Released 1,733 lbs of toxic chemicals to the environment in the most recent TRI reporting year.
- •Currently out of compliance in at least one environmental program (CAA, CWA, or RCRA).
- •Assessed $0 in total penalties since records began.
- •Reports releases of chemicals classified as known or probable carcinogens.
- Address
-
6900 MAIN ST.
STRATFORD, CT 06615
View on map ↗ - County
- FAIRFIELD County
- Industry
- Manufacturing
- NAICS (North American Industry Classification)
- 336411
- Inspections
- 7 · last Mar 19, 2026
- Total Penalties
- $0 · last Jun 16, 2006
- Registry ID
- 110000316970
How This Compares
Ranked by most recent year's total TRI releases.
Compliance Status (Last 12 Quarters)
Number of calendar quarters, out of the last 12, in which this facility was in violation of its permit. Zero means no recorded violations in that program over the past three years.
Qtrs Non-Compliant
Qtrs Non-Compliant
Qtrs Non-Compliant
TRI Toxic Chemical Releases
Annual pounds of each toxic chemical released to air, water, and land, as reported to the EPA Toxic Release Inventory. Carcinogen (♦) and PFAS designations are per EPA and IARC classifications.
| Year | Total Releases (lbs) | vs Prior Year |
|---|---|---|
| 2015 | 2,837 | — |
| 2016 | 1,725 | -39% |
| 2017 | 1,733 | 0% |
| 2018 | 1,475 | -15% |
| 2019 | 2,549 | +73% |
| 2020 | 7,460 | +193% |
| 2021 | 4,487 | -40% |
| 2022 | 7,418 | +65% |
| 2023 | 7,826 | +6% |
| 2024 | 4,882 | -38% |
2024
| Chemical | Total (lbs) | Air | Water | Land | Off-Site | |
|---|---|---|---|---|---|---|
| Tetrabromobisphenol A | — | — | — | — | 98 | |
| Nitric acid | 4,621 | 4,621 | — | — | 71,842 | |
| Methanol | 261 | 261 | — | — | 192 |
2023
| Chemical | Total (lbs) | Air | Water | Land | Off-Site | |
|---|---|---|---|---|---|---|
| Tetrabromobisphenol A | — | — | — | — | 50 | |
| Nitric acid | 4,498 | 4,498 | — | — | 56,927 | |
| Ammonia | 2,344 | 2,344 | — | — | — | |
| Methanol | 521 | 521 | — | — | 111 | |
| Hydrogen fluoride | 463 | 463 | — | — | 5,104 |
2022
| Chemical | Total (lbs) | Air | Water | Land | Off-Site | |
|---|---|---|---|---|---|---|
| Tetrabromobisphenol A | — | — | — | — | 63 | |
| Nitric acid | 3,995 | 3,995 | — | — | 64,234 | |
| Ammonia | 2,493 | 2,493 | — | — | — | |
| Methanol | 466 | 466 | — | — | 213 | |
| Hydrogen fluoride | 464 | 464 | — | — | 5,752 |
2021
| Chemical | Total (lbs) | Air | Water | Land | Off-Site | |
|---|---|---|---|---|---|---|
| Tetrabromobisphenol A | — | — | — | — | 90 | |
| Nitric acid | 3,390 | 3,390 | — | — | 50,982 | |
| Methanol | 775 | 775 | — | — | 107 | |
| Hydrogen fluoride | 224 | 224 | — | — | 5,060 | |
| Polycyclic aromatic compounds | 98 | 0 | — | 98 | 94 | ♦ Carcinogen |
2020
| Chemical | Total (lbs) | Air | Water | Land | Off-Site | |
|---|---|---|---|---|---|---|
| Tetrabromobisphenol A | — | — | — | — | 45 | |
| Nitric acid | 4,465 | 4,465 | — | — | 32,105 | |
| Ammonia | 2,404 | 2,404 | — | — | — | |
| Methanol | 591 | 591 | — | — | 74 |
2019
| Chemical | Total (lbs) | Air | Water | Land | Off-Site | |
|---|---|---|---|---|---|---|
| Ammonia | 2,088 | 2,088 | — | — | — | |
| Nitric acid | 461 | 461 | — | — | 13,140 |
2018
| Chemical | Total (lbs) | Air | Water | Land | Off-Site | |
|---|---|---|---|---|---|---|
| Nitric acid | 1,043 | 1,043 | — | — | 94,786 | |
| Methanol | 432 | 432 | — | — | — |
2017
| Chemical | Total (lbs) | Air | Water | Land | Off-Site | |
|---|---|---|---|---|---|---|
| Nitric acid | 1,224 | 1,224 | — | — | 28,806 | |
| Methanol | 424 | 424 | — | — | — | |
| Naphthalene | 85 | 85 | — | — | 5,040 | ♦ Carcinogen |
2016
| Chemical | Total (lbs) | Air | Water | Land | Off-Site | |
|---|---|---|---|---|---|---|
| Nitric acid | 1,034 | 1,034 | — | — | 13,674 | |
| Methanol | 495 | 495 | — | — | — | |
| Polycyclic aromatic compounds | 104 | 53 | — | 51 | 46 | ♦ Carcinogen |
| Naphthalene | 92 | 92 | — | — | 2,739 | ♦ Carcinogen |
2015
| Chemical | Total (lbs) | Air | Water | Land | Off-Site | |
|---|---|---|---|---|---|---|
| Nitric acid | 1,240 | 1,240 | — | — | 65,930 | |
| 1,2,4-Trimethylbenzene | 457 | 457 | — | — | — | |
| n-Hexane | 449 | 449 | — | — | — | |
| Methanol | 405 | 405 | — | — | — | |
| Hydrogen fluoride | 190 | 190 | — | — | 5,527 | |
| Naphthalene | 96 | 96 | — | — | 4,334 | ♦ Carcinogen |
Waste Management & Recycling
How this facility manages toxic chemicals beyond direct releases — through recycling, energy recovery, and on-site or off-site treatment. Data from the most recent TRI reporting year. Quantities in pounds.
| Chemical | Released | Recycled | Energy Recovery | Treated |
|---|---|---|---|---|
| Nitric acid | — | — | — | 83,741 |
| Tetrabromobisphenol A | — | — | 98 | — |
| Methanol | — | — | — | 192 |
Off-Site Transfer Destinations
Facilities to which toxic chemicals were transferred for disposal, recycling, energy recovery, or treatment during the most recent TRI reporting year. Quantities in pounds.
| Destination | Chemical | Disposal | Recycling | Energy Rec. | Treatment |
|---|---|---|---|---|---|
|
WHEELABRATOR BRIDGEPORT LP
BRIDGEPORT, CT
|
Tetrabromobisphenol A | — | — | 98 | — |
|
CLEAN HARBORS EL DORADO, LLC
EL DORADO, AR
|
Methanol | — | — | — | 192 |
|
CLEAN HARBORS EL DORADO, LLC
EL DORADO, AR
|
Nitric acid | — | — | — | 122 |
|
US ECOLOGY YORK INC
YORK, PA
|
Nitric acid | — | — | — | 71,720 |
Transfers to Publicly-Owned Treatment Works (POTWs)
Toxic chemicals transferred to municipal wastewater treatment plants during the most recent TRI reporting year. Quantities in pounds.
| Chemical | Transferred (lbs) | POTW |
|---|---|---|
| Nitric acid | — | STRATFORD WATER POLLUTION CONTROL FACILITY, STRATFORD |
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 |
|---|---|---|---|---|
| cwa | Permit Violations - Discharge Without a Valid Permit | Mar 19, 2026 | — | Open |
| caa | FRV | Apr 12, 2024 | — | Open |
| rcra | Standards Applicable to Generators of HW: General | Jun 20, 2017 | Jun 28, 2017 | Resolved |
| rcra | Interim Status Standards for Owners and Operators of HW TSDs: Financial Requirements | Jun 20, 2017 | Aug 24, 2017 | Resolved |
| rcra | Standards Applicable to Generators of HW: Pre-Transport Requirements Applicable to Small and Large Quantity Generators | Jun 20, 2017 | Jun 28, 2017 | Resolved |
| rcra | Standards Applicable to Generators of HW: Pre-Transport Requirements Applicable to Small and Large Quantity Generators | Jul 7, 2009 | Jul 7, 2009 | Resolved |
| rcra | Standards Applicable to Generators of HW: General | Jul 7, 2009 | Aug 24, 2009 | Resolved |
| rcra | Standards Applicable to Transporters of HW: General | Oct 16, 2002 | Jan 14, 2003 | Resolved |
| rcra | Standards Applicable to Generators of HW: Pre-Transport Requirements Applicable to Small and Large Quantity Generators | Jul 18, 2000 | Feb 15, 2002 | Resolved |
| rcra | Standards Applicable to Generators of HW: Pre-Transport Requirements Applicable to Small and Large Quantity Generators | Jan 21, 1998 | Dec 8, 1999 | Resolved |
| rcra | Standards for Owners and Operators of HW TSDs: Tank Systems | Sep 7, 1993 | Mar 18, 1994 | Resolved |
| rcra | Interim Status Standards for Owners and Operators of HW TSDs: Manifest System, Recordkeeping and Reporting | Sep 7, 1993 | Mar 18, 1994 | Resolved |
| rcra | Standards for Owners and Operators of HW TSDs: General | Apr 20, 1992 | Sep 7, 1993 | Resolved |
| rcra | Interim Status Standards for Owners and Operators of HW TSDs: Manifest System, Recordkeeping and Reporting | Apr 20, 1992 | Sep 7, 1993 | Resolved |
| rcra | Interim Status Standards for Owners and Operators of HW TSDs: General Facility Standards | Sep 17, 1991 | May 29, 1998 | Resolved |
| rcra | Land Disposal Restrictions: General | Sep 17, 1991 | May 29, 1998 | Resolved |
| rcra | Interim Status Standards for Owners and Operators of HW TSDs: Chemical, Physical and Biological Treatment | Sep 17, 1991 | May 29, 1998 | Resolved |
| rcra | Standards for Owners and Operators of HW TSDs: Preparedness and Prevention | Sep 17, 1991 | May 29, 1998 | Resolved |
| rcra | Standards for Owners and Operators of HW TSDs: Contingency Plan and Emergency Procedures | Sep 17, 1991 | May 29, 1998 | Resolved |
| rcra | Standards for Owners and Operators of HW TSDs: Manifest System, Recordkeeping and Reporting | Sep 17, 1991 | May 29, 1998 | Resolved |
| rcra | Interim Status Standards for Owners and Operators of HW TSDs: Manifest System, Recordkeeping and Reporting | Sep 17, 1991 | May 29, 1998 | Resolved |
| rcra | Standards for Owners and Operators of HW TSDs: Use and Management of Containers | Sep 17, 1991 | May 29, 1998 | Resolved |
| rcra | Standards for Owners and Operators of HW TSDs: Closure and Post-Closure | Aug 29, 1990 | May 29, 1998 | Resolved |
| rcra | Standards for Owners and Operators of HW TSDs: General | Aug 29, 1990 | May 29, 1998 | Resolved |
| rcra | Land Disposal Restrictions: General | Aug 29, 1990 | May 29, 1998 | Resolved |
| rcra | Interim Status Standards for Owners and Operators of HW TSDs: Ground-Water Monitoring | Jul 20, 1990 | Sep 7, 1993 | Resolved |
| rcra | Standards for Owners and Operators of HW TSDs: Closure and Post-Closure | Jul 13, 1989 | Apr 20, 1992 | Resolved |
| rcra | Standards for Owners and Operators of HW TSDs: General | Jul 13, 1989 | Apr 20, 1992 | Resolved |
| rcra | Standards for Owners and Operators of HW TSDs: General | Jun 17, 1988 | Apr 20, 1992 | Resolved |
| rcra | Standards for Owners and Operators of HW TSDs: General | Sep 14, 1987 | Apr 20, 1992 | Resolved |
| rcra | Interim Status Standards for Owners and Operators of HW TSDs: Ground-Water Monitoring | Sep 14, 1987 | Sep 16, 1987 | Resolved |
| rcra | Standards for Owners and Operators of HW TSDs: General | Aug 27, 1986 | Apr 20, 1992 | Resolved |
| rcra | Interim Status Standards for Owners and Operators of HW TSDs: Ground-Water Monitoring | Jul 1, 1986 | Mar 27, 1991 | Resolved |
| rcra | Standards for Owners and Operators of HW TSDs: Closure and Post-Closure | Jul 1, 1986 | Apr 20, 1992 | Resolved |
| rcra | Standards for Owners and Operators of HW TSDs: General | Jul 1, 1986 | Mar 27, 1991 | Resolved |
| rcra | Interim Status Standards for Owners and Operators of HW TSDs: Ground-Water Monitoring | May 6, 1986 | Mar 22, 1990 | Resolved |
| rcra | Standards for Owners and Operators of HW TSDs: Closure and Post-Closure | Sep 30, 1985 | Apr 20, 1992 | Resolved |
| rcra | Violation of a formal enforcement agreement or order. (3008(a) or 3013) | Sep 30, 1985 | Apr 20, 1992 | Resolved |
| rcra | Interim Status Standards for Owners and Operators of HW TSDs: Ground-Water Monitoring | Sep 30, 1985 | Apr 20, 1992 | Resolved |
| rcra | Standards for Owners and Operators of HW TSDs: General | Sep 30, 1985 | Apr 20, 1992 | Resolved |
| rcra | Standards for Owners and Operators of HW TSDs: General | Aug 7, 1984 | Jan 6, 1986 | Resolved |
| rcra | Standards for Owners and Operators of HW TSDs: Closure and Post-Closure | Aug 7, 1984 | Apr 20, 1992 | 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 |
|---|---|---|---|---|---|---|
| Titanium, total [as Ti] | DMR, Limited - Numeric Violation | 5.60 mg/L | 4.00 | +40% | Nov 2022 | Open |
| Copper, total [as Cu] | DMR, Limited - Numeric Violation | 3.50 mg/L | 2.00 | +75% | May 2016 | 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.