Public water system · NE3121204
ActiveShannon Estates
At a glance
Shannon Estates (PWSID NE3121204) is an active community water system in Washington County, Nebraska. It reports serving 100 people through 17 service connections. Its primary water source is purchased surface water, and EPA lists it as privately owned. EPA's records list 3 violations for this system; 1 is health-based, and the most recent began in October 2024.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
100
Service connections
17
Primary source
SWP
Purchased surface water
System type
CWS
Community water system
System record
How does Shannon Estates compare with other water systems in Washington County?
By EPA's size categories, Shannon Estates is a very small system (500 people or fewer). Washington County has 19 active public water systems. Its population served is well below the county average of 953 people per system, and accounts for 0.6% of the 18,110 people reported by systems filed under the county. Across Nebraska, the 1,226 active systems average 1,472 people each. Nationally, the average active community water system reports serving 6,703 people, so Shannon 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. Nebraska has 599 active community water systems, 49% of the state's 1,226 active systems. Purchased surface water means the system buys surface water from another public water system rather than drawing its own. 27 Nebraska systems (2.2%) list purchased surface water as their primary source.
Who owns and regulates Shannon Estates?
EPA lists Shannon Estates as privately owned. The NE state drinking water program is its primacy agency, the regulator with primary enforcement responsibility for the system under the Safe Drinking Water Act. 13 of the 19 active systems in Washington County (68%) are also privately owned.
Does Shannon Estates have drinking water violations?
EPA's records list 3 violations for this system; 1 is health-based, and the most recent began in October 2024. The violations listed here began between October 2007 and October 2024. By type: 1 reporting, 1 contaminant level above the legal limit and 1 monitoring and reporting. The contaminants or rules involved are Lead and Copper Rule Revisions, Total trihalomethanes (TTHM) and Total coliform bacteria (TCR). EPA lists 3 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 |
|---|---|---|---|---|
| 2024-10-17 | ReportingLSL Reporting · code 4G | Lead and Copper Rule Revisionscode 5200 | No | Resolved |
| 2010-04-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Average · code 02 | Total trihalomethanes (TTHM)code 2950 | Yes | Resolved |
| 2007-10-01 | Monitoring and reportingMonitoring, Repeat Major (TCR) · code 25 | Total coliform bacteria (TCR)code 3100 | No | Resolved |
All 3 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.
Shannon Estates: frequently asked questions
Who runs Shannon Estates?
Shannon Estates (PWSID NE3121204) is a community water system privately owned. It is regulated by the NE state drinking water program.
How many people does Shannon Estates serve?
Shannon Estates reports serving 100 people through 17 service connections in Washington County, Nebraska.
Where does Shannon 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 Shannon Estates have any drinking water violations?
EPA's records list 3 violations for this system; 1 is health-based, and the most recent began in October 2024. 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 Shannon 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 3 violations for this system; 1 is health-based, and the most recent began in October 2024. For current results, consult the system's annual water quality report, EPA ECHO, or the NE state drinking water program.
Where can I find Shannon Estates' water quality report?
As a community water system, Shannon 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 Washington County
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| Blair, City of | Washington | 8,000 | Community | Surface water |
| Washington Co Rural Water 1 | Washington | 1,964 | Community | Purchased surface water |
| Lakeland Estates Water Company | Washington | 1,552 | Community | Purchased surface water |
| Kennard, Village of | Washington | 1,350 | Community | Purchased surface water |
| Arlington, Village of | Washington | 1,350 | Community | Groundwater |
| Washington Co Rural Water 2 | Washington | 1,218 | 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, “Shannon Estates, PWSID NE3121204, Nebraska”, https://aquacensus.com/water-systems/nebraska/shannon-estates-ne3121204 (data as of October 1, 2026).