Public water system · AZ0411383
ActiveSierra Vista Rv Park
At a glance
Sierra Vista Rv Park (PWSID AZ0411383) is an active community water system in Pinal County, Arizona. It reports serving 200 people through 89 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, 10 are health-based, and the most recent began in April 2024.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
200
Service connections
89
Primary source
GW
Groundwater
System type
CWS
Community water system
System record
How does Sierra Vista Rv Park compare with other water systems in Pinal County?
By EPA's size categories, Sierra Vista Rv Park is a very small system (500 people or fewer). Pinal County has 94 active public water systems. Its population served is well below the county average of 5,375 people per system, and accounts for less than 0.1% of the 505,241 people reported by systems filed under the county. Across Arizona, the 1,769 active systems average 4,369 people each. Nationally, the average active community water system reports serving 6,703 people, so Sierra Vista Rv Park 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. Arizona has 936 active community water systems, 53% of the state's 1,769 active systems. Groundwater means the system draws its water from wells or springs fed by underground aquifers. 1,612 Arizona systems (91%) list groundwater as their primary source.
Who owns and regulates Sierra Vista Rv Park?
EPA lists Sierra Vista Rv Park as privately owned. The AZ state drinking water program is its primacy agency, the regulator with primary enforcement responsibility for the system under the Safe Drinking Water Act. 44 of the 94 active systems in Pinal County (47%) are also privately owned.
Does Sierra Vista Rv Park have drinking water violations?
Of the 12 most recent violations in EPA's records, 10 are health-based, and the most recent began in April 2024. The violations listed here began between April 2022 and April 2024. By type: 9 contaminant level above the legal limit, 1 public notice, recordkeeping or other, 1 required treatment not met and 1 monitoring and reporting. The contaminant or rule involved most often is Arsenic (9 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 |
|---|---|---|---|---|
| 2024-04-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Average · code 02 | Arseniccode 1005 | Yes | Resolved |
| 2024-03-31 | Public notice, recordkeeping or otherPublic Notification Violation for NPDWR Violation · code 75 | Public Noticecode 7500 | No | Resolved |
| 2024-01-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Average · code 02 | Arseniccode 1005 | Yes | Resolved |
| 2023-12-10 | Required treatment not metTreatment Technique, Level 1 Assessment (RTCR) · code 2A | Revised Total Coliform Rulecode 8000 | Yes | Resolved |
| 2023-11-23 | Monitoring and reportingMonitoring, Source Water (GWR) · code 34 | E. colicode 3014 | No | Resolved |
| 2023-10-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Average · code 02 | Arseniccode 1005 | Yes | Resolved |
| 2023-07-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Average · code 02 | Arseniccode 1005 | Yes | Resolved |
| 2023-04-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Average · code 02 | Arseniccode 1005 | Yes | Resolved |
| 2023-01-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Average · code 02 | Arseniccode 1005 | Yes | Resolved |
| 2022-10-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Average · code 02 | Arseniccode 1005 | Yes | Resolved |
| 2022-07-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Average · code 02 | Arseniccode 1005 | Yes | Resolved |
| 2022-04-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Average · code 02 | Arseniccode 1005 | Yes | 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.
Sierra Vista Rv Park: frequently asked questions
Who runs Sierra Vista Rv Park?
Sierra Vista Rv Park (PWSID AZ0411383) is a community water system privately owned. It is regulated by the AZ state drinking water program.
How many people does Sierra Vista Rv Park serve?
Sierra Vista Rv Park reports serving 200 people through 89 service connections in Pinal County, Arizona.
Where does Sierra Vista Rv Park 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 Sierra Vista Rv Park have any drinking water violations?
Of the 12 most recent violations in EPA's records, 10 are health-based, and the most recent began in April 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 Sierra Vista Rv Park'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, 10 are health-based, and the most recent began in April 2024. For current results, consult the system's annual water quality report, EPA ECHO, or the AZ state drinking water program.
Where can I find Sierra Vista Rv Park's water quality report?
As a community water system, Sierra Vista Rv Park 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 Pinal County
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| Arizona Water Co - Pinal Valley | Pinal | 134,432 | Community | Groundwater |
| Epcor - San Tan | Pinal | 87,435 | Community | Groundwater |
| Gw Santa Cruz Water Co | Pinal | 84,000 | Community | Groundwater |
| Arizona Water Co - Apache Junction | Pinal | 62,055 | Community | Groundwater |
| Lago Del Oro Water Company | Pinal | 18,132 | Community | Groundwater |
| Florence Water Company | Pinal | 15,900 | 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, “Sierra Vista Rv Park, PWSID AZ0411383, Arizona”, https://aquacensus.com/water-systems/arizona/sierra-vista-rv-park-az0411383 (data as of October 1, 2026).