New Hampshire
New Hampshire Estuaries Project
Little River - North Hampton, New Hampshire
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General Maps

New Hampshire's coastal watershed includes 10 sub-watersheds and two major estuarine systems: Great Bay and Hampton-Seabrook Harbor. The following maps illustrate these systems and include major roadways and geographic features to help orient visitors to the Seacoast.

Coastal Watershed
Coastal Watershed Towns
Sub-watersheds
Great Bay
Hampton-Seabrook Harbor

 

Impervious Surface Maps

Customized maps for each town listed below display 1990, 2000, and 2005 impervious surfaces, conservation lands identified in the Land Conservation Plan for New Hampshire’s Coastal Watersheds, roads, surface waters, and impervious surface summary statistics. UNH Complex Systems Research Center developed impervious surface estimates for the NHEP (see the CSRC’s Final Report for a description of the methodology and results). The 2005 data are based on the same technology that was used in previous impervious surface mapping projects using 1990 and 2000 datasets; therefore these maps show trends in impervious surface over a 15-year time span. The GIS data are available from GRANIT. For more information on the maps contact Phil Trowbridge.

Barrington
Brentwood
Brookfield
Candia
Chester
Danville
Deerfield
Dover
Durham
East Kingston
Epping
Exeter
Farmington
Fremont
Greenland
Hampton
Hampton Falls
Kensington
Kingston
Lee
Madbury
Middleton
Milton
Newcastle
New Durham
Newfields
Newington
Newmarket
North Hampton
Northwood
Nottingham
Portsmouth
Raymond
Rochester
Rollinsford
Rye
Sandown
Seabrook
Somersworth
Strafford
Stratham
Wakefield

 

Buffer Characterization Maps

The Complex Systems Research Center (CSRC) at the University of New Hampshire conducted a characterization of the buffers around 2nd order and higher streams within the Piscataqua/Coastal Basin of New Hampshire. GIS and remote sensing data archived in the NH GRANIT database were used to map land use, impervious surface coverage, and transportation infrastructure within standard buffers around each stream segment. These factors were then analyzed to produce a categorical indicator representing the status of each stream. The results are presented on community-based maps displaying stream characterizations and the corresponding acreage tables. In addition, the data have been made available as digital data layers archived in the GRANIT database.

Barrington
Brentwood
Brookfield
Candia
Chester
Danville
Deerfield
Dover
Durham
East Kingston
Epping
Exeter
Farmington
Fremont
Greenland
Hampton Falls
Hampton
Kensington
Kingston
Lee
Madbury
Middleton
New Castle
New Durham
Newfields
Newington
Newmarket
North Hampton
Northwood
Nottingham
Portsmouth
Raymond
Rochester
Rollinsford
Rye
Sandown
Seabrook
Somersworth
Strafford
Stratham
Wakefield

To access digital data layers go to GRANIT. To receive a hard copy of your towns map please contact Dave Kellam.

 

 

 

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Report Spotlight
Conservation Lands Viewer
GRANIT

To find out about conservation lands in a particular community, the Conservation Lands Viewer gives internet users the ability to view and print detailed maps that include information on the name of a protected parcel, its size and ownership status. Developed and maintained though UNH Complex Systems Research Center's GRANIT, a state-wide geographic information systems (GIS) clearinghouse, the application enables state agencies, regional planning commissions and communities to easily generate reports of conservation lands. Go to Viewer