Online Data and Mapping Tools

The resources listed below will help you visualize and access data and GIS information.

• Wetlands Permit Planning Tool (WPPT)
  The WPPT provides access to data which can be used for coarse screening, during project planning, to avoid and minimize impacts to wetlands and other natural resources.
• OneStop Data Mapper
  A viewer that displays NHDES OneStop data in an interactive map format.
• Surface Water Quality Assessment Data and Viewers
  The Surface Water Quality Assessment Viewers provide access to assessment units, sampling data and Watershed Report Cards (305(b)/303(d) assessment information).
• Visit the Designated Rivers webpage for maps, fact sheets and Local Advisory Committee (LAC) contact information.
• Metadata
  • GIS at NHDES
  • NH GRANIT Map Services and Metadata
• USDA Natural Resources Conservation Service (NRCS) – Web Soil Survey (WSS)
  WSS provides soil data and information for general farm, local and wider area planning.
• USFWS Wetlands Mapper