New Hampshire Department of Environmental Services
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OneStop Web Geographic Information System

Welcome
The purpose of this application is to provide access, via the World Wide Web, to GIS data that are developed by the NH Department of Environmental Services and other state and federal government agencies under the auspices of NH GRANIT (the New Hampshire Geographically Referenced Analysis and Information Transfer System).

Access to Data
Data that are accessible through the Onestop Web GIS include:
  • Air Stationary Sources
  • Aboveground Storage Tank Facilities
  • Asbestos Disposal Sites
  • Automobile Salvage Yards
  • Conservation Lands
  • Dams
  • Drinking Water Supply Sources*
  • Environmental Monitoring Sites**
  • Groundwater Reclassification Areas (GAA/GA1)*
  • Hazardous Waste Generators
  • Local PCS Inventory
  • Local Resource Protection Priorities
  • Non-point Sources
  • NPDES Outfalls
  • Outstanding Resource Water Watersheds
  • Public Water Supply Sources*
  • Registered Water Withdrawals*
  • Remediation Sites
  • Surface Water Impairments with 1-Mile Buffer For Development Projects
  • Underground Storage Tank Facilities
  • Water Well Inventory*
  • Water Supply Intake Protection Areas*
  • Watersheds
  *In the interest of Homeland Security, these data are available only to Registered Users of NHDES OneStop Data Retrieval/Data Provider systems. The OneStop Data Retrieval/Data Provider Registration Form is available online.
**Environmental Monitoring Sites pertaining to water wells are, for Homeland Security reasons, available only to Registered Users of NHDES OneStop Data Retrieval/Data Provider systems.
 

For Best Viewing
  • Disable all popup blockers.
  • Your screen resolution should be set to a minimum of 800 x 600.
  • Your PC's Display Font Size Property should be set to Small Fonts.

To Begin
Click on the images below to access the OneStop Web GIS Help, to start the OneStop Web GIS application, or to contact us with questions or comments.
First-time users are strongly encouraged to first familiarize themselves with the application using the OneStop Web GIS Help.

Updated: April 14, 2014

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