Public water system · WY5601633
ActiveSunset Ranch Water District
At a glance
Sunset Ranch Water District (PWSID WY5601633) is an active community water system in Weston County, Wyoming. It reports serving 70 people through 29 service connections. Its primary water source is purchased groundwater, and EPA lists it as owned by a local government. EPA's records list one violation for this system; it is not health-based, and the most recent began in September 2010.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
70
Service connections
29
Primary source
GWP
Purchased groundwater
System type
CWS
Community water system
System record
How does Sunset Ranch Water District compare with other water systems in Weston County?
By EPA's size categories, Sunset Ranch Water District is a very small system (500 people or fewer). Weston County has 12 active public water systems. Its population served is well below the county average of 541 people per system, and accounts for 1.1% of the 6,496 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 Sunset Ranch Water District 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 groundwater means the system buys groundwater from another public water system rather than drawing its own. 36 Wyoming systems (4.6%) list purchased groundwater as their primary source.
Who owns and regulates Sunset Ranch Water District?
EPA lists Sunset Ranch Water District as owned by a local government. 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. 8 of the 12 active systems in Weston County (67%) are also owned by a local government.
Does Sunset Ranch Water District have drinking water violations?
EPA's records list one violation for this system; it is not health-based, and the most recent began in September 2010. By type: 1 monitoring and reporting. The contaminant or rule involved is Total coliform bacteria (TCR). EPA lists 1 as resolved. 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.
| Began | Violation | Contaminant or rule | Health-based | Status |
|---|---|---|---|---|
| 2010-09-01 | Monitoring and reportingMonitoring, Routine Major (TCR) · code 23 | Total coliform bacteria (TCR)code 3100 | No | Resolved |
The one violation in EPA's records.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.
Sunset Ranch Water District: frequently asked questions
Who runs Sunset Ranch Water District?
Sunset Ranch Water District (PWSID WY5601633) is a community water system owned by a local government. It is regulated by the WY state drinking water program.
How many people does Sunset Ranch Water District serve?
Sunset Ranch Water District reports serving 70 people through 29 service connections in Weston County, Wyoming.
Where does Sunset Ranch Water District get its water?
EPA SDWIS lists this system's primary water source as purchased groundwater. Purchased groundwater means the system buys groundwater from another public water system rather than drawing its own.
Does Sunset Ranch Water District have any drinking water violations?
EPA's records list one violation for this system; it is not health-based, and the most recent began in September 2010. 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 Sunset Ranch Water District'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 one violation for this system; it is not health-based, and the most recent began in September 2010. For current results, consult the system's annual water quality report, EPA ECHO, or the WY state drinking water program.
Where can I find Sunset Ranch Water District's water quality report?
As a community water system, Sunset Ranch Water District 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 Weston County
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| Newcastle, City of | Weston | 3,595 | Community | Groundwater |
| Upton, Town of | Weston | 1,100 | Community | Groundwater |
| Salt Creek Water District | Weston | 600 | Community | Groundwater |
| West End Water District | Weston | 225 | Community | Groundwater |
| Weston County Mallo Camp | Weston | 201 | Transient non-community | Groundwater |
| Osage Water District | Weston | 200 | Community | Groundwater |
Related pages
Working with water-system records? Pro adds alerts, change history and CSV export ($49/mo); Enterprise adds full national files, the API and an MCP server for AI tools.
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, “Sunset Ranch Water District, PWSID WY5601633, Wyoming”, https://aquacensus.com/water-systems/wyoming/sunset-ranch-water-district-wy5601633 (data as of October 1, 2026).