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Eastham commission staff demos town and state mapping tools to speed permit reviews
Summary
At a June 3 work session, staff demonstrated three mapping tools—Eastham’s GIS, the statewide MassMapper, and licensed Nearmap—to help commissioners and staff visualize resource layers, historical imagery and buffer zones for permitting; presenters cautioned maps are approximate and not a substitute for surveys.
Alex demonstrated three online mapping tools the town and staff use when reviewing filings and doing site work. He showed the Eastham town GIS (with layer controls and aerial imagery), the statewide MassMapper data layers, and licensed high‑resolution Nearmap imagery. "On this website we've got our map here," Alex said while walking the commission through layers such as area of critical environmental concern, NHSP habitats and the 50‑ and 100‑foot buffer delineations. He noted the town’s base imagery is from 2025 and Nearmap archives imagery back to 2016.
Karen told commissioners she will circulate links and the Nearmap login for staff and commissioners to use. "I'll send out an email to you guys with links to these maps and the login to Nearmap," she said. Staff and commissioners emphasized the tools’ convenience for preliminary review but repeatedly warned they are approximate: commissioners said engineered surveys remain the controlling source for property lines and elevations.
The demonstration covered practical tips—saving layer presets, toggling opacity, and using historical imagery to check for things like tree removal or shoreline changes. Staff recommended using the maps as a supplemental tool to prepare for site visits and hearings, not as a final substitute for survey‑grade data.
