Public water system · NE3121527
ActiveRio Vista MHP
At a glance
Rio Vista MHP (PWSID NE3121527) is an active community water system in Douglas County, Nebraska. It reports serving 100 people through 40 service connections. Its primary water source is purchased surface water, and EPA lists it as privately owned. EPA's records list one violation for this system; it is not health-based, and the most recent began in October 2024.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
100
Service connections
40
Primary source
SWP
Purchased surface water
System type
CWS
Community water system
System record
How does Rio Vista MHP compare with other water systems in Douglas County?
By EPA's size categories, Rio Vista MHP is a very small system (500 people or fewer). Douglas County has 26 active public water systems. Its population served is well below the county average of 25,826 people per system, and accounts for less than 0.1% of the 671,472 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 Rio Vista 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. 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 Rio Vista MHP?
EPA lists Rio Vista MHP 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 26 active systems in Douglas County (50%) are also privately owned.
Does Rio Vista MHP have drinking water violations?
EPA's records list one violation for this system; it is not health-based, and the most recent began in October 2024. By type: 1 reporting. The contaminant or rule involved is Lead and Copper Rule Revisions. EPA lists 1 as unaddressed. Unaddressed means the violation is not resolved or archived and is not yet covered by formal enforcement.
| Began | Violation | Contaminant or rule | Health-based | Status |
|---|---|---|---|---|
| 2024-10-17 | ReportingLSL Reporting · code 4G | Lead and Copper Rule Revisionscode 5200 | No | Unaddressed |
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.
Rio Vista MHP: frequently asked questions
Who runs Rio Vista MHP?
Rio Vista MHP (PWSID NE3121527) is a community water system privately owned. It is regulated by the NE state drinking water program.
How many people does Rio Vista MHP serve?
Rio Vista MHP reports serving 100 people through 40 service connections in Douglas County, Nebraska.
Where does Rio Vista 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 Rio Vista MHP 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 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 Rio Vista 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 one violation for this system; it is not 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 Rio Vista MHP's water quality report?
As a community water system, Rio Vista 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 Douglas County
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| Metropolitan Utilities District | Douglas | 660,000 | Community | Surface water |
| Valley, City of | Douglas | 3,294 | Community | Groundwater |
| Valmont Industries, Inc. | Douglas | 2,000 | Non-transient non-community | Groundwater |
| Waterloo, Village of | Douglas | 962 | Community | Purchased surface water |
| Maplewood Estates Mobile Home Park | Douglas | 805 | Community | Purchased surface water |
| Meadowbrook Estates Water System | Douglas | 675 | 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, “Rio Vista MHP, PWSID NE3121527, Nebraska”, https://aquacensus.com/water-systems/nebraska/rio-vista-mhp-ne3121527 (data as of October 1, 2026).