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
Current portal

Utility Poles

Utility Poles - Newton, Massachusetts

Records
16,744
Formats
5
Last updated
May 20, 2025
Download CSVView on ArcGIS Hub

Download & API

Utility Poles (CSV)csv
Spreadsheet — attributes, with coordinates for point layers
Download
Utility Poles (GeoJSON)geojson
GeoJSON — for web maps and GIS tools
Download
Utility Poles (GeoParquet)geoparquet
Columnar — query with DuckDB / SQL
Download
Utility Poles (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
POINT_TAGstring
POINT_SUBTstring5 values: P (13,872), RP (1,677), SL (1,064)…
RIDstring
POLENUMinteger0 to 1,498
POST1integer0 to 334
POST2string
LUMENSIZEinteger0 to 45,000
LAMPTYPEinteger0 to 99
POLETYPEinteger0 to 99
BILLDATEdatetime
INSTALLDTdatetime
SBL_IDstring
NUMinteger0 to 2,396
STREETstring
VILLAGEstring
ZIPCODEstring
SR_NAMEstring
YARDstring3 values: CRAFTS (8,511), ELLIOT (8,191), CONTRACTOR (34)
MAPstring