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Northrop Grumman Corporation: Toxic releases records
Toxic releases: 13 records from the U.S. Environmental Protection Agency, all dated Dec 31, 2024.
Newest first. Each links to the agency's own record. Back to the report card.
| Date | Agency | What the agency recorded | Amount or outcome | Record | Retrieved | Matched | Report |
|---|---|---|---|---|---|---|---|
| Dec 31, 2024 | U.S. Environmental Protection Agency | TRI 2024: NORTHROP GRUMMAN SYSTEMS CORP, SUNNYVALE, CA reported 1,000 pounds of on-site releases (2 chemical reports); parent company reported: NORTHROP GRUMMAN CORP | 1,000 pounds released on site | Source record | Oct 24, 2026 | matched by the parent company the agency reports | Report an error |
| Dec 31, 2024 | U.S. Environmental Protection Agency | TRI 2024: USAF PLANT 42 SITE 4 NORTHROP GRUMMAN SYSTEMS CORP, PALMDALE, CA reported 20,274 pounds of on-site releases (2 chemical reports); parent company reported: NORTHROP GRUMMAN CORP | 20,274 pounds released on site | Source record | Oct 24, 2026 | matched by the parent company the agency reports | Report an error |
| Dec 31, 2024 | U.S. Environmental Protection Agency | TRI 2024: NORTHROP GRUMMAN SYSTEMS CORP, REDONDO BEACH, CA reported 1 pounds of on-site releases (1 chemical reports); parent company reported: NORTHROP GRUMMAN CORP | 1 pounds released on site | Source record | Oct 24, 2026 | matched by the parent company the agency reports | Report an error |
| Dec 31, 2024 | U.S. Environmental Protection Agency | TRI 2024: NORTHROP GRUMMAN SYSTEMS CORPORATION, MANHATTAN BEACH, CA reported 257 pounds of on-site releases (1 chemical reports); parent company reported: NORTHROP GRUMMAN CORP | 257 pounds released on site | Source record | Oct 24, 2026 | matched by the parent company the agency reports | Report an error |
| Dec 31, 2024 | U.S. Environmental Protection Agency | TRI 2024: NORTHROP GRUMMAN SYSTEMS CORP - PROMONTORY, PROMONTORY, UT reported 230,772 pounds of on-site releases (6 chemical reports); parent company reported: NORTHROP GRUMMAN CORP | 230,772 pounds released on site | Source record | Oct 24, 2026 | matched by the parent company the agency reports | Report an error |
| Dec 31, 2024 | U.S. Environmental Protection Agency | TRI 2024: NORTHROP GRUMMAN SYSTEMS COPORATION, SALT LAKE CITY, UT reported 0 pounds of on-site releases (1 chemical reports); parent company reported: NORTHROP GRUMMAN CORP | 0 pounds released on site | Source record | Oct 24, 2026 | matched by the parent company the agency reports | Report an error |
| Dec 31, 2024 | U.S. Environmental Protection Agency | TRI 2024: NORTHROP GRUMMAN SYSTEMS CORP - BACCHUS, MAGNA, UT reported 2,841 pounds of on-site releases (3 chemical reports); parent company reported: NORTHROP GRUMMAN CORP | 2,841 pounds released on site | Source record | Oct 24, 2026 | matched by the parent company the agency reports | Report an error |
| Dec 31, 2024 | U.S. Environmental Protection Agency | TRI 2024: ALLEGANY BALLISTICS LAB (NIROP), ROCKET CENTER, WV reported 37,660 pounds of on-site releases (6 chemical reports); parent company reported: NORTHROP GRUMMAN CORP | 37,660 pounds released on site | Source record | Oct 24, 2026 | matched by the parent company the agency reports | Report an error |
| Dec 31, 2024 | U.S. Environmental Protection Agency | TRI 2024: NORTHROP GRUMMAN SYSTEMS CORP (NEW RIVER ENERGETICS), RADFORD, VA reported 23,010 pounds of on-site releases (4 chemical reports); parent company reported: NORTHROP GRUMMAN CORP | 23,010 pounds released on site | Source record | Oct 24, 2026 | matched by the parent company the agency reports | Report an error |
| Dec 31, 2024 | U.S. Environmental Protection Agency | TRI 2024: NORTHROP GRUMMAN SYSTEMS CORP, CHARLOTTESVILLE, VA reported 0 pounds of on-site releases (1 chemical reports); parent company reported: NORTHROP GRUMMAN CORP | 0 pounds released on site | Source record | Oct 24, 2026 | matched by the parent company the agency reports | Report an error |
| Dec 31, 2024 | U.S. Environmental Protection Agency | TRI 2024: NORTHROP GRUMMAN SYSTEMS CORP, LINTHICUM, MD reported 12 pounds of on-site releases (1 chemical reports); parent company reported: NORTHROP GRUMMAN CORP | 12 pounds released on site | Source record | Oct 24, 2026 | matched by the parent company the agency reports | Report an error |
| Dec 31, 2024 | U.S. Environmental Protection Agency | TRI 2024: NORTHROP GRUMMAN SYSTEMS CORP, LINTHICUM HEIGHTS, MD reported 6,498 pounds of on-site releases (2 chemical reports); parent company reported: NORTHROP GRUMMAN CORP | 6,498 pounds released on site | Source record | Oct 24, 2026 | matched by the parent company the agency reports | Report an error |
| Dec 31, 2024 | U.S. Environmental Protection Agency | TRI 2024: NORTHROP GRUMMAN SYSTEMS CORP. - TROY HILL 4, ELKRIDGE, MD reported 0 pounds of on-site releases (1 chemical reports); parent company reported: NORTHROP GRUMMAN CORP | 0 pounds released on site | Source record | Oct 24, 2026 | matched by the parent company the agency reports | Report an error |
CSWH is not affiliated with these agencies.