Public water system · WY5601085
ActiveWestern Hills MHP
At a glance
Western Hills MHP (PWSID WY5601085) is an active community water system in Sweetwater County, Wyoming. It reports serving 450 people through 168 service connections. Its primary water source is purchased surface water, and EPA lists it as privately owned. EPA's records list 10 violations for this system; none is health-based, and the most recent began in October 2023.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
450
Service connections
168
Primary source
SWP
Purchased surface water
System type
CWS
Community water system
System record
How does Western Hills MHP compare with other water systems in Sweetwater County?
By EPA's size categories, Western Hills MHP is a very small system (500 people or fewer). Sweetwater County has 44 active public water systems. Its population served is about 63% below the county average of 1,215 people per system, and accounts for 0.8% of the 53,453 people reported by systems filed under the county. Across Wyoming, the 775 active systems average 838 people each. Nationally, the average active community water system reports serving 6,703 people, so Western Hills 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. Wyoming has 332 active community water systems, 43% of the state's 775 active systems. Purchased surface water means the system buys surface water from another public water system rather than drawing its own. 79 Wyoming systems (10%) list purchased surface water as their primary source.
Who owns and regulates Western Hills MHP?
EPA lists Western Hills MHP as privately owned. The WY state drinking water program is its primacy agency, the regulator with primary enforcement responsibility for the system under the Safe Drinking Water Act. 30 of the 44 active systems in Sweetwater County (68%) are also privately owned.
Does Western Hills MHP have drinking water violations?
EPA's records list 10 violations for this system; none is health-based, and the most recent began in October 2023. The violations listed here began between March 1992 and October 2023. By type: 7 monitoring and reporting, 2 public notice, recordkeeping or other and 1 monitoring. The contaminant or rule involved most often is Lead and Copper Rule (3 of them). EPA lists 9 as resolved and 1 as archived. Resolved means at least one resolving action is on record: the system returned to compliance, the rule no longer applies, or no further action was needed. Archived means the violation was not marked resolved but is more than five years past the end of the noncompliance period, so it no longer counts toward current compliance status.
| Began | Violation | Contaminant or rule | Health-based | Status |
|---|---|---|---|---|
| 2023-10-01 | Monitoring and reportingFollow-up Or Routine LCR Tap M/R · code 52 | Lead and Copper Rulecode 5000 | No | Resolved |
| 2022-12-30 | Monitoring and reportingLead Consumer Notice · code 66 | Lead and Copper Rulecode 5000 | No | Resolved |
| 2021-10-01 | Monitoring and reportingFollow-up Or Routine LCR Tap M/R · code 52 | Lead and Copper Rulecode 5000 | No | Resolved |
| 2019-12-05 | Public notice, recordkeeping or otherConsumer Confidence Report Inadequate Reporting · code 72 | Consumer Confidence Rulecode 7000 | No | Resolved |
| 2019-09-01 | Monitoring and reportingMonitoring and Reporting (DBP) · code 27 | Total trihalomethanes (TTHM)code 2950 | No | Resolved |
| 2019-09-01 | Monitoring and reportingMonitoring and Reporting (DBP) · code 27 | Haloacetic acids (HAA5)code 2456 | No | Resolved |
| 2017-09-01 | MonitoringMonitoring, Routine (RTCR) · code 3A | Revised Total Coliform Rulecode 8000 | No | Resolved |
| 2017-07-14 | Public notice, recordkeeping or otherSample Siting Plan Errors (RTCR) · code 5A | Revised Total Coliform Rulecode 8000 | No | Resolved |
| 2012-01-01 | Monitoring and reportingMonitoring, Routine Major (TCR) · code 23 | Total coliform bacteria (TCR)code 3100 | No | Resolved |
| 1992-03-01 | Monitoring and reportingMonitoring, Routine Major (TCR) · code 23 | Total coliform bacteria (TCR)code 3100 | No | Archived |
All 10 violations in EPA's records, newest first.Labels and codes come from EPA's SDWIS reference tables. A monitoring or reporting violation means a required test or report was missed or late; it does not by itself mean a contaminant was found. "Health-based" marks violations of a legal limit or required treatment.
Western Hills MHP: frequently asked questions
Who runs Western Hills MHP?
Western Hills MHP (PWSID WY5601085) is a community water system privately owned. It is regulated by the WY state drinking water program.
How many people does Western Hills MHP serve?
Western Hills MHP reports serving 450 people through 168 service connections in Sweetwater County, Wyoming.
Where does Western Hills 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 Western Hills MHP have any drinking water violations?
EPA's records list 10 violations for this system; none is health-based, and the most recent began in October 2023. A monitoring or reporting violation means a required test or report was missed or late; it does not by itself mean a contaminant was found.
Is Western Hills 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 records list 10 violations for this system; none is health-based, and the most recent began in October 2023. For current results, consult the system's annual water quality report, EPA ECHO, or the WY state drinking water program.
Where can I find Western Hills MHP's water quality report?
As a community water system, Western Hills 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 Sweetwater County
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| Rock Springs, City of | Sweetwater | 24,000 | Community | Purchased surface water |
| Green River, City of | Sweetwater | 10,500 | Community | Purchased surface water |
| White Mountain W&S District | Sweetwater | 3,000 | Community | Purchased surface water |
| Little America Hotels & Resorts, Inc.- Wy | Sweetwater | 2,004 | Community | Surface water |
| Pioneer Mobile Home Park | Sweetwater | 1,000 | Community | Purchased surface water |
| We Soda Alkali, LLC | Sweetwater | 950 | Non-transient non-community | 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, “Western Hills MHP, PWSID WY5601085, Wyoming”, https://aquacensus.com/water-systems/wyoming/western-hills-mhp-wy5601085 (data as of October 1, 2026).