Portsmouth Naval Shipyard
Seavey Island, Kittery, ME 03904
Operating signal within 24 months, or from a single source.
What they make
Ship Building and Repairing336611Where it is
Other plants nearby
| Facility | City | Industry | Status | Distance |
|---|---|---|---|---|
| Independent Boat Haulers | Eliot | Boat Building 336612 | LIKELY ACTIVE | 5.2 KM |
| York Harbor Marine Service | York | Boat Building 336612 | LIKELY ACTIVE | 9.2 KM |
| C3 Solutions LLC | South Berwick | Laminated Plastics Plate, Sheet (except Packaging), and Shape Manufacturing 326130 | LIKELY ACTIVE | 13.2 KM |
| AMP United, LLC | Dover | Ship Building and Repairing 336611 | UNVERIFIED | 13.9 KM |
| Chisletts Boating & Design LLC | Dover | Boat Building 336612 | ACTIVE | 17.3 KM |
Also at this address
1 other record shares this street address. Separate filings can describe distinct businesses on one site, or the same plant recorded by different agencies, so every record is kept rather than merged away.
Where this record comes from
3 sources hold this plant, and 7 fields on this page come from them. Each line is one agency’s own record of it: the identifier it is filed under, whether that record shows the plant operating or only that it exists, and when the register first and last saw it there.
EPA cross-references this facility in AIR, AIRS/AFS, BR, CEDRI, EIS, EPS, ICIS, ME-EFIS, NCDB, NPDES, OSHA-OIS, RCRAINFO, SEMS, TRIS · EPA site type STATIONARY.
- EPA ECHO compliance recordsOPERATINGfirst seen APR 2026 · last seen AUG 2026
- EPA Toxics Release InventoryOPERATINGfirst seen DEC 2023 · last seen DEC 2024
- EPA Facility Registry ServiceEXISTENCERecord 110040852459 · first seen JUL 2020 · last seen JUL 2020
IN YORK COUNTY6 other plants share this one’s industry (Ship and Boat Building, NAICS 3366); 1 of them has a size band on record.
What each source says
Every field below, as each source filed it. The value this page shows is marked; where the sources disagree, the field says so. Status is computed from independent sources; nothing here is self-reported unless marked Claimed.
- Name
- EPA: PORTSMOUTH NAVAL SHIPYARD · OCT 2026
- Street address
- EPA: SEAVEY ISLAND · OCT 2026
- City
- EPA: KITTERY · OCT 2026
- State
- EPA: ME · OCT 2026
- County (FIPS code)
- EPA: 23031 · OCT 2026
- Coordinates
- EPA: 43.084167,-70.741666 · OCT 2026
- Hazardous waste generator (RCRA)
- EPA ECHO: LQG · OCT 2026