Rockingham County contains 314 EPA-regulated facilities, 18 of which are currently flagged for significant noncompliance. The county also hosts 8 Superfund sites and 30 TRI chemical reporters. EPA has assessed $6.7M in lifetime penalties and TRI reporters disclosed roughly 15.0k lb of on-site releases. That facility count is well above the New Hampshire state average of 65 per county.
| Site | City | Status |
|---|---|---|
| Mottolo Pig Farm | Raymond | Ready for anticipated reuse |
| Auburn Road Landfill | Londonderry | Ready for anticipated reuse |
| Coakley Landfill | North Hampton | Ready for anticipated reuse |
| Tinkham Garage | Londonderry | Ready for anticipated reuse |
| Pease Air Force Base | Portsmouth/Newington | Ready for anticipated reuse |
| Beede Waste Oil | Plaistow | Cleanup underway |
| Ottati Goss Kingston Steel Drum | Kingston | Ready for anticipated reuse |
| Keefe Environmental Services Kes | Epping | Ready for anticipated reuse |
| Facility | City | On-site (lb) | Status |
|---|---|---|---|
| Essential Power Newington, Llc | Newington | 12.1k | Compliant |
| Sprague Energy - River Road Terminal. | Portsmouth | 2.1k | Compliant |
| Irving Oil Portsmouth Terminal | Portsmouth | 257 | Compliant |
| Hologic Inc | Londonderry | 255 | Compliant |
| Henkel Corporation | Seabrook | 231 | Compliant |
| Thunderline-Z | Hampstead | 10 | Compliant |
| National Gypsum Wallboard Plant | Portsmouth | 6 | Compliant |
| Subcom Cable Systems Llc | Newington | 5 | Compliant |
| Chemtan Company, Inc. | Exeter | 4 | Compliant |
| Quikrete - Boston, Ma Plant | Exeter | 1 | Compliant |
| Torromeo Industries, Inc. | Kingston | 1 | Compliant |
| Pike Industries Inc - Portsmouth | Portsmouth | 1 | Sig. violation |
| Northern Elastomeric | Brentwood | 1 | Compliant |
| Georgia-Pacific Gypsum | Newington | 1 | Compliant |
| Facility | City | Penalties | Last Inspected |
|---|---|---|---|
| Foss Manufacturing Company, Llc | Hampton | $18.7k | 2024-09-02 |
| Epping Wasterwater Treatment Facility | Epping | $0 | 2025-09-04 |
| First Student, Inc. #12506 | Exeter | $0 | |
| New Castle Town Of | New Castle | $0 | |
| Stratham Woods | $0 | ||
| Leavitt E. Magrath Wastewater Treatment Facility | Hampton | $0 | 2025-03-26 |
| Newington Dfsp Bunker Tank Demolition | Newington | $0 | |
| Subcom Cable Systems, Llc. | Newington | $0 | |
| Pike Industries Inc - Portsmouth | Portsmouth | $0 | 2024-04-25 |
| Fedex Mhtr/Mhtrt | Londonderry | $0 | |
| Wallis Sands State Park | Rye | $0 | 2024-08-13 |
| Robertos-Basement Of Restaurant | Northwood | $0 | |
| Industrial Sand Mining | Epping | $0 | |
| Londonderry Pit | Londonderry | $0 | |
| Exeter Wastewater Treatment Facility | Exeter | $0 | 2025-04-30 |
| Pease Air National Guard Base | Newington | $0 | |
| Brandy Brow Auto Parts, Inc. | Plaistow | $0 | |
| Shannon Road Pit | Salem | $0 |