EPA · discharge permits by watershed
Portsmouth Harbor (subwatershed 010600031001)
- 95Current permits
- 2States
A subwatershed is a unit of the national Watershed Boundary Dataset, and water crosses state lines: this one carries permits in New Hampshire, Maine. Each permit is placed by the outfall EPA names as its representative discharge point.
By state
Permits discharging here
| Permit holder | NPDES ID | City | State | Program | Discharger | Receiving water |
|---|---|---|---|---|---|---|
| DOVER/HUCKLEBERRY HILL W W T F | NH0101311 | DOVER | NH | Publicly owned treatment works | Major | PISCATAQUA RIVER |
| GRANITE SHORE POWER SCHILLER LLC | NH0001473 | PORTSMOUTH | NH | Major | PISCATAQUA ESTUARY | |
| GSP NEWINGTON LLC | NH0001601 | NEWINGTON | NH | Major | PISCATAQUA ESTUARY | |
| KITTERY WWTF | ME0100285 | KITTERY | ME | Publicly owned treatment works | Major | Piscataqua River |
| NEWINGTON POWER FACILITY | NH0023361 | NEWINGTON | NH | Major | PISCATAQUA RIVER | |
| PORTSMOUTH CITY OF | NH0100234 | PORTSMOUTH | NH | Publicly owned treatment works | Major | PISCATAQUA RIVER |
| 100 DURGIN LANE | 01R10I045 | PORTSMOUTH | NH | Construction stormwater | Minor | Portsmouth Harbor |
| 100 DURGIN LANE | 01R10I044 | PORTSMOUTH | NH | Construction stormwater | Minor | Portsmouth Harbor |
| 100 NEW HAMPSHIRE AVENUE | NHR1001UT | PORTSMOUTH | NH | Construction stormwater | Minor | Portsmouth Harbor |
| 100 NEW HAMPSHIRE AVENUE | NHR1001US | PORTSMOUTH | NH | Construction stormwater | Minor | Portsmouth Harbor |
| 105 BARTLETT STREET - MULTIFAMILY DEVELOPMENT | NHR10020X | PORTSMOUTH | NH | Construction stormwater | Minor | Portsmouth Harbor |
| 105 BARTLETT STREET - MULTIFAMILY DEVELOPMENT | NHR10021B | PORTSMOUTH | NH | Construction stormwater | Minor | Portsmouth Harbor |
| 200 CHASE DRIVE | NHR100247 | PORTSMOUTH | NH | Construction stormwater | Minor | Portsmouth Harbor |
| 2021 E194, U181, & 3135 TRANSMISSION LINE STRUCTURE REPLACEMENT | NHR1001F9 | PORTSMOUTH | NH | Construction stormwater | Minor | Portsmouth Harbor |
| 2021 E194, U181, & 3135 TRANSMISSION LINE STRUCTURE REPLACEMENT PROJECT | NHR1001EG | PORTSMOUTH | NH | Construction stormwater | Minor | Portsmouth Harbor |
| 282 CORPORATE DRIVE | 01R10I02P | PORTSMOUTH | NH | Construction stormwater | Minor | Portsmouth Harbor |
| 35 AIRLINE AVE | NHR10029G | PORTSMOUTH | NH | Construction stormwater | Minor | Portsmouth Harbor |
| 5 RESIDENTIAL UNITS - 306 DOVER POINT ROAD | NHR10028U | DOVER | NH | Construction stormwater | Minor | Portsmouth Harbor |
| 53 GREEN STREET - MULTIFAMILY DEVELOPMENT | NHR10024F | PORTSMOUTH | NH | Construction stormwater | Minor | Portsmouth Harbor |
| ALLEGRA MARKETING PRINT MAIL | NHNOEJ01K | PORTSMOUTH | NH | Industrial stormwater | Minor | Portsmouth Harbor |
| AVIATION WAREHOUSE | NHNOEJ037 | PORTSMOUTH | NH | Industrial stormwater | Minor | Portsmouth Harbor |
| BACK ROAD, DOVER RESIDENTIAL DEVELOPMENT | NHR10026B | DOVER | NH | Construction stormwater | Minor | Portsmouth Harbor |
| BARTLETT STREET AREA RECONSTRUCTION, PORTSMOUTH, NH - BID 26-24 | NHR1001Z2 | PORTSMOUTH | NH | Construction stormwater | Minor | Portsmouth Harbor |
| CORPORATE DRIVE RECONSTRUCTION | NHR1001Y2 | PORTSMOUTH | NH | Construction stormwater | Minor | Portsmouth Harbor |
| CRAFT BREW ALLIANCE | NHR05J00M | PORTSMOUTH | NH | Industrial stormwater | Minor | Portsmouth Harbor |
| ELWYN ROAD DRAINAGE IMPROVEMENTS | NHR10027T | PORTSMOUTH | NH | Construction stormwater | Minor | Portsmouth Harbor |
| ESSENTIAL POWER NEWINGTON | NHR053049 | NEWINGTON | NH | Industrial stormwater | Minor | Portsmouth Harbor |
| EVERHOME SUITES HOTEL | NHR1001XI | NEWINGTON | NH | Construction stormwater | Minor | Portsmouth Harbor |
| FLIGHTLINE ROAD | NHR10029T | PORTSMOUTH | NH | Construction stormwater | Minor | Portsmouth Harbor |
| GEORGIA-PACIFIC NEWINGTON GYPSUM PLANT | NHR053133 | NEWINGTON | NH | Industrial stormwater | Minor | Portsmouth Harbor |
| GREAT BAY OPERATIONS, LLC | GMG290385 | PORTSMOUTH | NH | Minor | Portsmouth Harbor | |
| GREAT COVE BOAT CLUB | MER05B791 | ELIOT | ME | Industrial stormwater | Minor | Piscataqua River |
| GREATBAY AQUACULTURE, LLC. | NH0110078 | NEWINGTON | NH | Minor | PSNH DISCHARGE/PISCATAQUA RIVER | |
| HISSONG READY-MIX & AGGREGATE SALES LLC | MER05B970 | ELIOT | ME | Industrial stormwater | Minor | Portsmouth Harbor |
| INDEPENDENT BOAT HAULERS | MER05B754 | ELIOT | ME | Industrial stormwater | Minor | unnamed stream |
| INDUSTRIAL WASTEWATER EQUALIZATION SYSTEM | 01R10I00F | PORTSMOUTH | NH | Construction stormwater | Minor | Portsmouth Harbor |
| INDUSTRIAL WASTEWATER EQUALIZATION SYSTEM | 01R10I00Z | PORTSMOUTH | NH | Construction stormwater | Minor | Portsmouth Harbor |
| IRON PARCEL DEVELOPMENT - LONZA BIOLOGICS | NHR1001EX | PORTSMOUTH | NH | Construction stormwater | Minor | Portsmouth Harbor |
| ISLINGTON STREET IMPROVEMENTS - PHASE 2 | NHR1001ON | PORTSMOUTH | NH | Construction stormwater | Minor | Portsmouth Harbor |
| JOHNSON'S MOBILE HOME PARK | ME0037052 | KITTERY | ME | Minor | unnamed stream |