Public water system · CO0139839
ActiveWestlake MHP
At a glance
Westlake MHP (PWSID CO0139839) is an active community water system in Mesa County, Idaho. It reports serving 116 people through 58 service connections. Its primary water source is purchased surface water, and EPA lists it as privately owned. EPA's Safe Drinking Water Act records list no violations for this system.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
116
Service connections
58
Primary source
SWP
Purchased surface water
System type
CWS
Community water system
System record
How does Westlake MHP compare with other water systems in Mesa County?
By EPA's size categories, Westlake MHP is a very small system (500 people or fewer). Mesa County has 6 active public water systems, and Westlake MHP is the 6th-largest of them by population served. Its population served is about 45% below the county average of 210 people per system, and accounts for 9.2% of the 1,259 people reported by systems filed under the county. Across Idaho, the 1,961 active systems average 899 people each. Nationally, the average active community water system reports serving 6,703 people, so Westlake MHP is well below that figure.
What does “community water system” mean?
A community water system serves at least 15 connections used by year-round residents, or regularly serves at least 25 year-round residents. Homes, apartments and mobile-home parks are served by these. Idaho has 765 active community water systems, 39% of the state's 1,961 active systems. Purchased surface water means the system buys surface water from another public water system rather than drawing its own. 15 Idaho systems (0.8%) list purchased surface water as their primary source.
Who owns and regulates Westlake MHP?
EPA lists Westlake MHP as privately owned. The CO state drinking water program is its primacy agency, the regulator with primary enforcement responsibility for the system under the Safe Drinking Water Act. 6 of the 6 active systems in Mesa County (100%) are also privately owned.
Does Westlake MHP have drinking water violations?
No SDWA violations on record.
EPA's SDWA violation and enforcement data (via EPA ECHO, updated quarterly) lists no violations for Westlake MHP. For the latest compliance status, check EPA ECHO for current compliance history.
Westlake MHP: frequently asked questions
Who runs Westlake MHP?
Westlake MHP (PWSID CO0139839) is a community water system privately owned. It is regulated by the CO state drinking water program.
How many people does Westlake MHP serve?
Westlake MHP reports serving 116 people through 58 service connections in Mesa County, Idaho.
Where does Westlake MHP get its water?
EPA SDWIS lists this system's primary water source as purchased surface water. Purchased surface water means the system buys surface water from another public water system rather than drawing its own.
Does Westlake MHP have any drinking water violations?
EPA's Safe Drinking Water Act records list no violations for this system.
Is Westlake MHP's water safe to drink?
AquaCensus shows EPA compliance records, not current water test results, so it cannot say whether the water is safe at a given moment. EPA's Safe Drinking Water Act records list no violations for this system. For current results, consult the system's annual water quality report, EPA ECHO, or the CO state drinking water program.
Where can I find Westlake MHP's water quality report?
As a community water system, Westlake MHP must deliver an annual water quality report, called a Consumer Confidence Report, to its customers by July 1 each year, covering the previous calendar year. The system can provide a copy on request.
Other water systems in Mesa County
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| Paradise Park MHP | Mesa | 375 | Community | Purchased surface water |
| Picture Ranch MHP | Mesa | 220 | Community | Purchased surface water |
| Rose Park MHP | Mesa | 220 | Community | Purchased surface water |
| Garfield Estates MHP | Mesa | 178 | Community | Purchased surface water |
| Vineyards Mhc | Mesa | 150 | Community | Purchased surface water |
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About this data
Source: U.S. EPA Safe Drinking Water Information System (SDWIS) and SDWA violation records, via EPA ECHO, as published October 1, 2026 — AquaCensus refreshes it quarterly. See the methodology for how records are matched, cleaned and scored.
Cite as: AquaCensus, “Westlake MHP, PWSID CO0139839, Idaho”, https://aquacensus.com/water-systems/idaho/westlake-mhp-co0139839 (data as of October 1, 2026).