Public water system · WY5601248
ActiveDillman Estates
At a glance
Dillman Estates (PWSID WY5601248) is an active community water system in Goshen County, Wyoming. It reports serving 100 people through 33 service connections. Its primary water source is groundwater, and EPA lists it as privately owned. Of the 12 most recent violations in EPA's records, one is health-based, and the most recent began in April 2021.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
100
Service connections
33
Primary source
GW
Groundwater
System type
CWS
Community water system
System record
How does Dillman Estates compare with other water systems in Goshen County?
By EPA's size categories, Dillman Estates is a very small system (500 people or fewer). Goshen County has 17 active public water systems. Its population served is well below the county average of 580 people per system, and accounts for 1% of the 9,851 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 Dillman 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. Groundwater means the system draws its water from wells or springs fed by underground aquifers. 585 Wyoming systems (75%) list groundwater as their primary source.
Who owns and regulates Dillman Estates?
EPA lists Dillman 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. 9 of the 17 active systems in Goshen County (53%) are also privately owned.
Does Dillman Estates have drinking water violations?
Of the 12 most recent violations in EPA's records, one is health-based, and the most recent began in April 2021. The violations listed here began between January 2004 and April 2021. By type: 9 monitoring and reporting, 2 monitoring and 1 contaminant level above the legal limit. The contaminant or rule involved most often is E. coli (3 of them). EPA lists 12 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 |
|---|---|---|---|---|
| 2021-04-01 | Monitoring and reportingMonitoring, Regular · code 03 | Nitrate-Nitritecode 1038 | No | Resolved |
| 2021-04-01 | Monitoring and reportingMonitoring, Regular · code 03 | Nitritecode 1041 | No | Resolved |
| 2020-04-01 | Monitoring and reportingMonitoring, Regular · code 03 | Arseniccode 1005 | No | Resolved |
| 2018-10-01 | Monitoring and reportingMonitoring, Regular · code 03 | Nitritecode 1041 | No | Resolved |
| 2018-09-01 | MonitoringMonitoring, Routine (RTCR) · code 3A | Revised Total Coliform Rulecode 8000 | No | Resolved |
| 2016-12-01 | MonitoringMonitoring, Routine (RTCR) · code 3A | Revised Total Coliform Rulecode 8000 | No | Resolved |
| 2016-05-18 | Monitoring and reportingMonitoring, Source Water (GWR) · code 34 | E. colicode 3014 | No | Resolved |
| 2015-07-22 | Monitoring and reportingMonitoring, Source Water (GWR) · code 34 | E. colicode 3014 | No | Resolved |
| 2012-10-01 | Monitoring and reportingMonitoring, Routine Minor (TCR) · code 24 | Total coliform bacteria (TCR)code 3100 | No | Resolved |
| 2011-07-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Monthly (TCR) · code 22 | Total coliform bacteria (TCR)code 3100 | Yes | Resolved |
| 2011-07-01 | Monitoring and reportingMonitoring, Source Water (GWR) · code 34 | E. colicode 3014 | No | Resolved |
| 2004-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Radium-228code 4030 | No | Resolved |
The 12 most recent 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.
Dillman Estates: frequently asked questions
Who runs Dillman Estates?
Dillman Estates (PWSID WY5601248) is a community water system privately owned. It is regulated by the WY state drinking water program.
How many people does Dillman Estates serve?
Dillman Estates reports serving 100 people through 33 service connections in Goshen County, Wyoming.
Where does Dillman Estates get its water?
EPA SDWIS lists this system's primary water source as groundwater. Groundwater means the system draws its water from wells or springs fed by underground aquifers.
Does Dillman Estates have any drinking water violations?
Of the 12 most recent violations in EPA's records, one is health-based, and the most recent began in April 2021. 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 Dillman 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. Of the 12 most recent violations in EPA's records, one is health-based, and the most recent began in April 2021. For current results, consult the system's annual water quality report, EPA ECHO, or the WY state drinking water program.
Where can I find Dillman Estates' water quality report?
As a community water system, Dillman 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 Goshen County
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| Torrington Municipal Water Dept, City of | Goshen | 6,847 | Community | Groundwater |
| Lingle, Town of | Goshen | 486 | Community | Groundwater |
| South Torrington Water District | Goshen | 450 | Community | Purchased groundwater |
| La Grange, Town of | Goshen | 448 | Community | Groundwater |
| Fort Laramie National Historic Site | Goshen | 352 | Transient non-community | Groundwater |
| Fort Laramie, Town of | Goshen | 230 | Community | Groundwater |
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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, “Dillman Estates, PWSID WY5601248, Wyoming”, https://aquacensus.com/water-systems/wyoming/dillman-estates-wy5601248 (data as of October 1, 2026).