Public water system · WY5601213
ActiveEmerald River Estates
At a glance
Emerald River Estates (PWSID WY5601213) is an active community water system in Sweetwater County, Wyoming. It reports serving 62 people through 31 service connections. Its primary water source is purchased surface water, and EPA lists it as privately owned. EPA's records list 4 violations for this system; none is health-based, and the most recent began in May 2025.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
62
Service connections
31
Primary source
SWP
Purchased surface water
System type
CWS
Community water system
System record
How does Emerald River Estates compare with other water systems in Sweetwater County?
By EPA's size categories, Emerald River Estates is a very small system (500 people or fewer). Sweetwater County has 44 active public water systems. Its population served is well below the county average of 1,215 people per system, and accounts for 0.1% 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 Emerald River Estates 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 Emerald River Estates?
EPA lists Emerald River Estates 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 Emerald River Estates have drinking water violations?
EPA's records list 4 violations for this system; none is health-based, and the most recent began in May 2025. The violations listed here began between August 2024 and May 2025. By type: 2 monitoring and reporting and 2 monitoring. The contaminant or rule involved most often is Revised Total Coliform Rule (2 of them). EPA lists 4 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 |
|---|---|---|---|---|
| 2025-05-01 | Monitoring and reportingMonitoring of Treatment (SWTR-Filter) · code 36 | Surface Water Treatment Rulecode 0200 | No | Resolved |
| 2025-05-01 | MonitoringMonitoring, Routine (RTCR) · code 3A | Revised Total Coliform Rulecode 8000 | No | Resolved |
| 2025-01-01 | Monitoring and reportingInitial Tap Sampling for Pb and Cu · code 51 | Lead and Copper Rulecode 5000 | No | Resolved |
| 2024-08-01 | MonitoringMonitoring, Routine (RTCR) · code 3A | Revised Total Coliform Rulecode 8000 | No | Resolved |
All 4 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.
Emerald River Estates: frequently asked questions
Who runs Emerald River Estates?
Emerald River Estates (PWSID WY5601213) is a community water system privately owned. It is regulated by the WY state drinking water program.
How many people does Emerald River Estates serve?
Emerald River Estates reports serving 62 people through 31 service connections in Sweetwater County, Wyoming.
Where does Emerald River Estates 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 Emerald River Estates have any drinking water violations?
EPA's records list 4 violations for this system; none is health-based, and the most recent began in May 2025. 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 Emerald River Estates' 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 4 violations for this system; none is health-based, and the most recent began in May 2025. For current results, consult the system's annual water quality report, EPA ECHO, or the WY state drinking water program.
Where can I find Emerald River Estates' water quality report?
As a community water system, Emerald River Estates 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, “Emerald River Estates, PWSID WY5601213, Wyoming”, https://aquacensus.com/water-systems/wyoming/emerald-river-estates-wy5601213 (data as of October 1, 2026).