Data / Site & infrastructure / Utilities & power

Water systems without a mapped area

205 small community systems (subdivisions, mobile-home parks, colonies) placed at their reported location.

Open on the site-check map Download Preview the data

FewerMoreNone

About this data

Published by: U.S. EPA (SDWIS)
Community Water Systems without Service Area Boundaries
Method: Downloaded from Community Water Systems without Service Area Boundaries.
Update frequency: Quarterly
Last updated: Oct 6, 2026
Records: 205
Coverage: 205 small community systems (subdivisions, mobile-home parks, colonies) placed at their reported location.
Records in 35 of 56 counties.
License: Public domain

Known gaps

Point only, with no service area.

Preview

The newest or first 205 records. Click a column heading to sort. Use the filter to find a place or a name.

Loading the preview…

Fields

Field	Column	Description
Pwsid	`pwsid`
Name	`name`
City served	`city`
Population served	`pop`
Connections	`conn`
Source water	`src`
Owner type	`owner`	Companies and governments by name; people as “Private individual”.
Url	`url`
Longitude	`lon`	WGS84 degrees.
Latitude	`lat`	WGS84 degrees.

Downloads and links

GeoJSONGEOJSON 59.7 KB
Metadata (JSON)metadata for this page, for programs
Layer descriptorhow the map draws it

Data 4 MT is an index of public records. It republishes only what Montana and federal agencies make public, with a link to the source on each record. People are shown as “Private individual” on public pages and downloads; companies, trusts held by institutions, and governments keep their names. No document images, sale prices, voter, MVD or wildlife-telemetry data are stored. Verify any record against the publisher’s copy before relying on it.