Proof of concept.This is an unofficial demo built by Datopian from the City of Newton's public data. The official portal is newton-open-geo-data-newtonmagis.hub.arcgis.com. Questions or feedback: hello@datopian.com

A PortalJS proof of concept · data from the City of Newton's ArcGIS Hub

Wetland Restrictions

This data layer shows all areas in the City of Newton that are registered with the Commonwealth of Massachusetts under the Inland Wetlands Restriction Act (M.G.L. c. 131, § 40A.) The restrictive orders for these wetlands have been recorded at the Registry of Deeds. The Massachusetts Department of Environmental Protection (MassDEP) lists applicable restrictive orders on its website.

Records
23
Formats
5
Last updated
Mar 26, 2026

Download & API

Wetland Restrictions (CSV)csv
Spreadsheet — attributes, with coordinates for point layers
Download
Wetland Restrictions (GeoJSON)geojson
GeoJSON — for web maps and GIS tools
Download
Wetland Restrictions (GeoParquet)geoparquet
Columnar — query with DuckDB / SQL
Download
Wetland Restrictions (map tiles)pmtiles
Vector tiles — embed in a map
Download
Live ArcGIS layer (source)arcgis
Download

Rendered from PMTiles, queried in-browser from GeoParquet — no server. How this works

Schema

FieldTypeValues
Textstring
Namestring