Monday – Friday 7:30 AM - 3:30 PM
The links on the City Maps page will take you to maps of Portsmouth that you can view and download as PDF files. They were produced using data from Portsmouth's geographic information system (GIS).
As New Hampshire's Statewide Geographic Information System (GIS) Clearinghouse, NH GRANIT offers an array of geospatial services, including:
The City of Portsmouth creates and maintains extensive GIS databases to support citywide operations. This data is made available upon request to city employees, the public and commercial entities.
The GIS Program provides cartographic services to supplement the capacity of individual departments as well as the immediate needs of departments without internal GIS capacity. Standard and custom maps can be produced for the public and commercial entities. Please review the fee schedule for specific costs of products.
MapGeo is a web based application that provides public access to a variety of geographic layers and data including but not limited to parcels, zoning, wetlands, school districts, voting wards and trash routes.
Portsmouth’s GIS Program is responsible for managing the city's geographic information systems (GIS): hardware, software, and applications that allow staff to create, store, manage, access, visualize and use geographic information. The GIS Program staff collaborate with all departments of the city to eliminate redundancy in dataset creation and maintenance and to provide easy access to data for city personnel and officials.
What can you do about stormwater pollution? Think Blue!Stormwater pollution can come from a variety of sources including vehicles, pets, septic systems, and household hazardous waste.
The City’s water system operators and managers are continually monitoring the water system’s supply and demands to assure service is adequate. Supply updates are provided at least quarterly and posted here. Additional planning and projects to address needs are continually underway and are summarized in the updates as well.
