Public water system · NV0002571
ActiveRancho Vista 4
At a glance
Rancho Vista 4 (PWSID NV0002571) is an active community water system in Nye County, Nevada. It reports serving 50 people through 27 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, none is health-based, and the most recent began in October 2025.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
50
Service connections
27
Primary source
GW
Groundwater
System type
CWS
Community water system
System record
How does Rancho Vista 4 compare with other water systems in Nye County?
By EPA's size categories, Rancho Vista 4 is a very small system (500 people or fewer). Nye County has 89 active public water systems. Its population served is well below the county average of 379 people per system, and accounts for 0.1% of the 33,742 people reported by systems filed under the county. Across Nevada, the 643 active systems average 5,508 people each. Nationally, the average active community water system reports serving 6,703 people, so Rancho Vista 4 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. Nevada has 224 active community water systems, 35% of the state's 643 active systems. Groundwater means the system draws its water from wells or springs fed by underground aquifers. 557 Nevada systems (87%) list groundwater as their primary source.
Who owns and regulates Rancho Vista 4?
EPA lists Rancho Vista 4 as privately owned. The NV state drinking water program is its primacy agency, the regulator with primary enforcement responsibility for the system under the Safe Drinking Water Act. 62 of the 89 active systems in Nye County (70%) are also privately owned.
Does Rancho Vista 4 have drinking water violations?
Of the 12 most recent violations in EPA's records, none is health-based, and the most recent began in October 2025. The violations listed here began between January 2023 and October 2025. By type: 11 monitoring and reporting and 1 public notice, recordkeeping or other. The contaminants or rules involved are Lead and Copper Rule, Consumer Confidence Rule, Total trihalomethanes (TTHM) and Haloacetic acids (HAA5). EPA lists 10 as archived and 2 as unaddressed. Archived means the violation was not marked resolved but is more than five years past the end of the noncompliance period, so it no longer counts toward current compliance status. 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 |
|---|---|---|---|---|
| 2025-10-01 | Monitoring and reportingFollow-up Or Routine LCR Tap M/R · code 52 | Lead and Copper Rulecode 5000 | No | Unaddressed |
| 2025-07-01 | Public notice, recordkeeping or otherConsumer Confidence Report Complete Failure to Report · code 71 | Consumer Confidence Rulecode 7000 | No | Unaddressed |
| 2025-01-01 | Monitoring and reportingMonitoring and Reporting (DBP) · code 27 | Total trihalomethanes (TTHM)code 2950 | No | Archived |
| 2025-01-01 | Monitoring and reportingMonitoring and Reporting (DBP) · code 27 | Haloacetic acids (HAA5)code 2456 | No | Archived |
| 2023-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Chromiumcode 1020 | No | Archived |
| 2023-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Arseniccode 1005 | No | Archived |
| 2023-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Thalliumcode 1085 | No | Archived |
| 2023-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Bariumcode 1010 | No | Archived |
| 2023-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Seleniumcode 1045 | No | Archived |
| 2023-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Berylliumcode 1075 | No | Archived |
| 2023-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Cadmiumcode 1015 | No | Archived |
| 2023-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Mercurycode 1035 | No | Archived |
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.
Rancho Vista 4: frequently asked questions
Who runs Rancho Vista 4?
Rancho Vista 4 (PWSID NV0002571) is a community water system privately owned. It is regulated by the NV state drinking water program.
How many people does Rancho Vista 4 serve?
Rancho Vista 4 reports serving 50 people through 27 service connections in Nye County, Nevada.
Where does Rancho Vista 4 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 Rancho Vista 4 have any drinking water violations?
Of the 12 most recent violations in EPA's records, none is health-based, and the most recent began in October 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 Rancho Vista 4'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. Of the 12 most recent violations in EPA's records, none is health-based, and the most recent began in October 2025. For current results, consult the system's annual water quality report, EPA ECHO, or the NV state drinking water program.
Where can I find Rancho Vista 4's water quality report?
As a community water system, Rancho Vista 4 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 Nye County
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| Great Basin Water Company | Nye | 12,255 | Community | Groundwater |
| Mountain Falls Water System Gbwc | Nye | 4,345 | Community | Groundwater |
| Tonopah Public Utilities | Nye | 2,853 | Community | Groundwater |
| Nnss Site Area A23 and 6 | Nye | 1,700 | Non-transient non-community | Groundwater |
| Round Mountain Puc | Nye | 1,200 | Community | Groundwater |
| Desert Utilities | Nye | 1,086 | 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, “Rancho Vista 4, PWSID NV0002571, Nevada”, https://aquacensus.com/water-systems/nevada/rancho-vista-4-nv0002571 (data as of October 1, 2026).