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

Fire Hydrants

Fire Hydrants, City of Newton, Massachusetts

Records
2,711
Formats
5
Last updated
Jun 13, 2025

Download & API

Fire Hydrants (CSV)csv
Spreadsheet — attributes, with coordinates for point layers
Download
Fire Hydrants (GeoJSON)geojson
GeoJSON — for web maps and GIS tools
Download
Fire Hydrants (GeoParquet)geoparquet
Columnar — query with DuckDB / SQL
Download
Fire Hydrants (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
facilityidstring
hyd_typestring4 values: 5.5 (1,506), 6.0 (31), 6.0 MJ (3)…
locdescstring
ownedbystring2 values: Town (2,140), Private (39)
legacy_idstring
manufacturstring
model_nostring
yearstring
hyd_sectstring5 values: 3 (58), 4 (40), 0 (3)…
press_zonestring5 values: UNK (1,189), Northern (41), Chestnut Hill (3)…
staticpresstring
mainsizestring
burystring4 values: Unknown (1,349), 5 (468), 5.5 (273)…
vo_sizestring5 values: 5.25 (2,038), 5 (50), Unknown (38)…
extensionstring4 values: None (1,494), 12 (52), 6 (47)…
dist_mainstring
cap_colorstring2 values: Red (1,878), Other (786)
body_colorstring2 values: Red (2,612), Other (52)
val_offsetstring
installdatdatetime
maintbystring2 values: Town (2,082), Private (24)
plansstring
commentsstring
lastupdatedatetime
lasteditorstring
elevationstring2 values: 0 (10), 14.008582887437342 (1)
map_datedatetime
mapped_bystring3 values: Town (832), Other (150), Consultant (60)
map_by_otstring
map_methodstring5 values: Aerial Photo (374), QA Tablet (123), Tablet (101)…
map_met_otstring
map_statusstring2 values: Draft (958), Final (51)
rotationstring
flowstring
activeflagstring2 values: 0 (1,852), 1 (377)
enabledstring2 values: 1 (143), 0 (40)
operablestring2 values: 1 (2,042), 0 (185)
anclryrolestring1 values: 0 (141)
is_hydstring2 values: 1 (1,685), 0 (542)
hyd_f_statstring4 values: Not Flushing (35), Flushing (6), Skipped (2)…
flushlabelstring
divisionstring1 values: WATER (2,711)
assetstring1 values: Water (2,711)