Non-Compliance
TRI Reporter
Clean Air Act
Clean Water Act
RCRA
NORTHROP GRUMMAN MARINE SYSTEMS
Quick Summary
- •Released 3 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 $44,000 in total penalties since records began.
- •Reports releases of chemicals classified as known or probable carcinogens.
- Address
-
401 E HENDY AVE
SUNNYVALE, CA 94086
View on map ↗ - County
- SANTA CLARA County
- Industry
- Manufacturing
- NAICS (North American Industry Classification)
- 333612
- Inspections
- 76 · last Sep 26, 2024
- Total Penalties
- $44,000 · last May 17, 2023
- Registry ID
- 110000781805
How This Compares
#792
of 996 TRI reporters in CA
#13,646
of 16,877 TRI reporters in Manufacturing
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.
12
Air (CAA)
Qtrs Non-Compliant
Qtrs Non-Compliant
0
Water (CWA)
Qtrs Non-Compliant
Qtrs Non-Compliant
12
Hazardous Waste (RCRA)
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.
Emissions Trend (2015–2024)
+66999% overall
| Year | Total Releases (lbs) | vs Prior Year |
|---|---|---|
| 2015 | 1 | — |
| 2016 | 2 | +56% |
| 2017 | 3 | +18% |
| 2018 | 1 | -71% |
| 2019 | 2 | +115% |
| 2020 | 2 | -8% |
| 2021 | 2 | +19% |
| 2022 | 1 | -60% |
| 2023 | 1,454 | +196397% |
| 2024 | 1,000 | -31% |
2024
| Chemical | Total (lbs) | Air | Water | Land | Off-Site | |
|---|---|---|---|---|---|---|
| Ammonia | 999 | 999 | — | — | — | |
| Chromium compounds (except for chromite ore mined in the Transvaal Region) | 1 | — | 1 | — | 19,413 |
2023
| Chemical | Total (lbs) | Air | Water | Land | Off-Site | |
|---|---|---|---|---|---|---|
| Ammonia | 1,451 | 1,451 | — | — | — | |
| Nickel compounds | 2 | — | 2 | — | 8,770 | ♦ Carcinogen |
| Chromium compounds (except for chromite ore mined in the Transvaal Region) | 1 | — | 1 | — | 16,921 |
2022
| Chemical | Total (lbs) | Air | Water | Land | Off-Site | |
|---|---|---|---|---|---|---|
| Chromium compounds (except for chromite ore mined in the Transvaal Region) | 1 | — | 1 | — | 3,179 |
2021
| Chemical | Total (lbs) | Air | Water | Land | Off-Site | |
|---|---|---|---|---|---|---|
| Nickel compounds | 1 | — | 1 | — | 38 | ♦ Carcinogen |
| Chromium compounds (except for chromite ore mined in the Transvaal Region) | 1 | — | 1 | — | 8,472 |
2020
| Chemical | Total (lbs) | Air | Water | Land | Off-Site | |
|---|---|---|---|---|---|---|
| Nickel compounds | 1 | — | 1 | — | 65 | ♦ Carcinogen |
| Chromium compounds (except for chromite ore mined in the Transvaal Region) | 1 | — | 1 | — | 10,151 |
2019
| Chemical | Total (lbs) | Air | Water | Land | Off-Site | |
|---|---|---|---|---|---|---|
| Chromium compounds (except for chromite ore mined in the Transvaal Region) | 2 | — | 2 | — | 40,299 |
2018
| Chemical | Total (lbs) | Air | Water | Land | Off-Site | |
|---|---|---|---|---|---|---|
| Chromium compounds (except for chromite ore mined in the Transvaal Region) | 1 | — | 1 | — | 43,778 |
2017
| Chemical | Total (lbs) | Air | Water | Land | Off-Site | |
|---|---|---|---|---|---|---|
| Nickel | 1 | — | 1 | — | 10,557 | ♦ Carcinogen |
| Chromium compounds (except for chromite ore mined in the Transvaal Region) | 1 | — | 1 | — | 27,296 |
2016
| Chemical | Total (lbs) | Air | Water | Land | Off-Site | |
|---|---|---|---|---|---|---|
| Nickel | 1 | — | 1 | — | 9,313 | ♦ Carcinogen |
| Chromium compounds (except for chromite ore mined in the Transvaal Region) | 1 | — | 1 | — | 24,049 |
2015
| Chemical | Total (lbs) | Air | Water | Land | Off-Site | |
|---|---|---|---|---|---|---|
| Nickel | 1 | — | 1 | — | 13,230 | ♦ Carcinogen |
| Chromium compounds (except for chromite ore mined in the Transvaal Region) | 1 | — | 1 | — | 34,084 |
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 |
|---|---|---|---|---|
| Chromium compounds (except for chromite ore mined in the Transvaal Region) | — | 19,331 | — | — |
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 |
|---|---|---|---|---|---|
|
CASS, INC
OAKLAND, CA
|
Chromium compounds (except for chromite ore mined in the Transvaal Region) | — | 19,311 | — | — |
|
CANAM MINERALS INC DBA KLEEN BLAST
HAYWARD, CA
|
Chromium compounds (except for chromite ore mined in the Transvaal Region) | — | 20 | — | — |
|
CLEAN HARBORS SAN JOSE
SAN JOSE, CA
|
Chromium compounds (except for chromite ore mined in the Transvaal Region) | 82 | — | — | — |
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 |
|---|---|---|
| Chromium compounds (except for chromite ore mined in the Transvaal Region) | 1 | SUNNYVALE WATER POLLUTION CONTROL PLANT, SUNNYVALE |
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 |
|---|---|---|---|---|
| caa | FRV | Sep 2, 2025 | — | Open |
| rcra | Standards Applicable to Generators of HW: Pre-Transport Requirements Applicable to Small and Large Quantity Generators | Sep 12, 2024 | — | Open |
| rcra | Standards Applicable to Generators of HW: Pre-Transport Requirements Applicable to Small and Large Quantity Generators | Aug 22, 2024 | — | Open |
| rcra | Standards Applicable to Generators of HW: Pre-Transport Requirements Applicable to Small and Large Quantity Generators | Aug 8, 2024 | — | Open |
| rcra | Standards Applicable to Generators of HW: Pre-Transport Requirements Applicable to Small and Large Quantity Generators | Aug 24, 2023 | — | Open |
| rcra | Standards Applicable to Generators of HW: Pre-Transport Requirements Applicable to Small and Large Quantity Generators | Aug 17, 2023 | Jul 11, 2024 | Resolved |
| rcra | Standards Applicable to Recordkeeping and Reporting Applicable to Small and Large Quantity Generators | Aug 17, 2023 | Sep 6, 2023 | Resolved |
| rcra | Standards Applicable to Generators of HW: Pre-Transport Requirements Applicable to Small and Large Quantity Generators | Jul 20, 2023 | — | Open |
| rcra | Standards Applicable to Generators of HW: Pre-Transport Requirements Applicable to Small and Large Quantity Generators | Jun 16, 2023 | — | Open |
| rcra | Standards Applicable to Generators of HW: Pre-Transport Requirements Applicable to Small and Large Quantity Generators | Jun 15, 2023 | — | Open |
| caa | FRV | Nov 9, 2022 | — | Open |
| rcra | Standards Applicable to Recordkeeping and Reporting Applicable to Small and Large Quantity Generators | Jun 30, 2021 | Nov 4, 2021 | Resolved |
| rcra | Standards Applicable to Generators of HW: Pre-Transport Requirements Applicable to Small and Large Quantity Generators | Jun 30, 2021 | Nov 4, 2021 | Resolved |
| rcra | Standards Applicable to Generators of HW: Pre-Transport Requirements Applicable to Small and Large Quantity Generators | Jun 16, 2021 | Nov 4, 2021 | Resolved |
| rcra | Standards Applicable to Generators of HW: Pre-Transport Requirements Applicable to Small and Large Quantity Generators | Jun 9, 2021 | Aug 18, 2021 | Resolved |
| rcra | Standards Applicable to Generators of HW: General | May 26, 2021 | Aug 18, 2021 | Resolved |
| rcra | Standards Applicable to Generators of HW: Pre-Transport Requirements Applicable to Small and Large Quantity Generators | May 19, 2021 | Aug 18, 2021 | Resolved |
| rcra | Standards Applicable to Generators of HW: Pre-Transport Requirements Applicable to Small and Large Quantity Generators | May 12, 2021 | Jun 17, 2021 | Resolved |
| rcra | Standards Applicable to Generators of HW: Pre-Transport Requirements Applicable to Small and Large Quantity Generators | May 5, 2021 | Jun 17, 2021 | Resolved |
| rcra | Standards Applicable to Generators of HW: Pre-Transport Requirements Applicable to Small and Large Quantity Generators | Apr 21, 2021 | Jun 17, 2021 | Resolved |
| rcra | Standards Applicable to Generators of HW: Pre-Transport Requirements Applicable to Small and Large Quantity Generators | Apr 14, 2021 | Jun 8, 2021 | Resolved |
| rcra | Standards Applicable to Generators of HW: Pre-Transport Requirements Applicable to Small and Large Quantity Generators | Aug 28, 2019 | Sep 4, 2019 | Resolved |
| rcra | Standards Applicable to Generators of HW: Pre-Transport Requirements Applicable to Small and Large Quantity Generators | May 29, 2019 | Jun 10, 2019 | Resolved |
| rcra | Standards Applicable to Generators of HW: Pre-Transport Requirements Applicable to Small and Large Quantity Generators | May 1, 2019 | May 29, 2019 | Resolved |
| caa | HPV | Nov 29, 2018 | Jul 3, 2019 | Resolved |
| caa | FRV | Nov 8, 2018 | — | Open |
| rcra | Standards Applicable to Generators of HW: Pre-Transport Requirements Applicable to Small and Large Quantity Generators | Aug 22, 2018 | Sep 19, 2018 | Resolved |
| rcra | Standards Applicable to Generators of HW: Pre-Transport Requirements Applicable to Small and Large Quantity Generators | Jul 18, 2018 | Aug 16, 2018 | Resolved |
| rcra | Standards Applicable to Generators of HW: Pre-Transport Requirements Applicable to Small and Large Quantity Generators | Jul 11, 2018 | Aug 7, 2018 | Resolved |
| rcra | Standards Applicable to Generators of HW: Pre-Transport Requirements Applicable to Small and Large Quantity Generators | Jun 6, 2018 | Jul 6, 2018 | Resolved |
| rcra | Standards Applicable to Generators of HW: Pre-Transport Requirements Applicable to Small and Large Quantity Generators | Apr 25, 2018 | May 7, 2018 | Resolved |
| rcra | Standards Applicable to Generators of HW: Pre-Transport Requirements Applicable to Small and Large Quantity Generators | Apr 18, 2018 | May 7, 2018 | Resolved |
| rcra | Standards Applicable to Generators of HW: General | Apr 4, 2018 | Apr 24, 2018 | Resolved |
| rcra | Standards Applicable to Generators of HW: Pre-Transport Requirements Applicable to Small and Large Quantity Generators | Jul 26, 2017 | Aug 8, 2017 | Resolved |
| rcra | Standards Applicable to Generators of HW: Pre-Transport Requirements Applicable to Small and Large Quantity Generators | Jul 12, 2017 | Aug 8, 2017 | Resolved |
| rcra | Standards Applicable to Generators of HW: General | Jul 12, 2017 | Aug 8, 2017 | Resolved |
| rcra | Standards Applicable to Generators of HW: Pre-Transport Requirements Applicable to Small and Large Quantity Generators | Apr 26, 2017 | May 10, 2017 | Resolved |
| rcra | Standards Applicable to Generators of HW: Pre-Transport Requirements Applicable to Small and Large Quantity Generators | Apr 18, 2017 | May 10, 2017 | Resolved |
| rcra | Standards Applicable to Generators of HW: Pre-Transport Requirements Applicable to Small and Large Quantity Generators | Jul 28, 2016 | Sep 1, 2016 | Resolved |
| rcra | Standards Applicable to Generators of HW: Pre-Transport Requirements Applicable to Small and Large Quantity Generators | May 6, 2015 | May 26, 2015 | Resolved |
| rcra | Standards Applicable to Generators of HW: Pre-Transport Requirements Applicable to Small and Large Quantity Generators | Apr 29, 2015 | May 11, 2015 | Resolved |
| rcra | Standards Applicable to Generators of HW: General | Sep 10, 2013 | Sep 10, 2013 | Resolved |
| rcra | Standards Applicable to Generators of HW: Pre-Transport Requirements Applicable to Small and Large Quantity Generators | Mar 5, 2009 | Mar 5, 2009 | Resolved |
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.
Notice of Violation
Clean Air Act
· Case 3604623459 · Sep 2, 2025
Administrative - Formal
Clean Air Act
· Case 3603473432 · May 17, 2023
$2,000
Notice of Violation
Clean Air Act
· Case 3603473431 · Nov 9, 2022
Administrative - Formal
Clean Air Act
· Case 3602041996 · Jul 3, 2019
$750
Administrative - Formal
Clean Air Act
· Case 3602046739 · Jul 3, 2019
$1,250
Notice of Violation
Clean Air Act
· Case 3602046737 · Nov 29, 2018
INSPECTION REPORT WRITTEN
RCRA (Hazardous Waste)
· Case RCRA-CAD001864081-001 · May 12, 2009
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