Rio Vista Ranches
EPA ID: AZ0408333 · 59 people served · 1 ZIP code
ZipCheckup's reading of EPA records for Rio Vista Ranches (AZ0408333): 1 health-based violation recorded since 2021. Rio Vista Ranches has 19 EPA violations on record, all marked resolved in the federal data; the utility serves 59 residents.
Data: EPA SDWIS
Service Area Map
Coverage area for Rio Vista Ranches Source: EPA SDWIS service area boundaries.
Service area boundary
Demographics of ZIP Codes Served
The ZIP codes associated with Rio Vista Ranches have a median household income of $65,186 and about 15,520 residents live in those ZIP codes (Census; not the number of people this system supplies).
Environmental Justice Note: On average, 58% of census tracts in the counties mapped to this service area are designated disadvantaged by the federal Climate and Economic Justice Screening Tool (CEJST, 2022 version). Communities with higher disadvantaged populations often face disproportionate environmental and health burdens, including aging water infrastructure and limited resources for remediation.
💧 Where Does Your Water Come From?
Rio Vista Ranches's water is classified in EPA records as a groundwater source. Groundwater is naturally filtered through rock and soil, but it can be vulnerable to PFAS contamination, nitrates from agriculture, and industrial chemicals that seep into the water table.
Infrastructure Risk
PFAS in ZIP Codes This System Serves
PFAS ("forever chemicals") have been reported in samples from water systems associated with the ZIP codes in this system's area. These results can come from other water systems serving the same ZIP codes; check the UCMR5 section for any results reported for this system. 3 detections recorded.
Comparable Water Systems
Similar-sized systems in Arizona
Estimated Remediation Costs
Average estimated costs across ZIP codes served by this system
Based on national averages for common remediation projects. Actual costs vary by property. Only issues flagged by EPA, FEMA, or state data for each ZIP code are included.
System Overview
Rio Vista Ranches (EPA ID: AZ0408333) is a community water system in Arizona that serves approximately 59 people from groundwater sources.
This system serves ZIP code 86426 in Fort Mohave.
Violation History
Status breakdown for accepted records with record years 2021-2026: 19 resolved, 0 archived, 0 addressed, and 0 unaddressed. Under this source contract, current noncompliance is the sum of addressed and unaddressed records. Archived and resolved records are excluded from current noncompliance.
Recent Violations
| Date | Contaminant | Type | Status |
|---|---|---|---|
| August 2, 2025 | Public Notice | Non-health-based | Resolved |
| July 30, 2025 | Public Notice | Non-health-based | Resolved |
| July 1, 2025 | Consumer Confidence Rule | Non-health-based | Resolved |
| December 20, 2024 | Public Notice | Non-health-based | Resolved |
| October 17, 2024 | LEAD AND COPPER RULE REVISIONS | Health-based | Resolved |
| October 17, 2024 | LEAD AND COPPER RULE REVISIONS | Non-health-based | Resolved |
| October 2, 2024 | Consumer Confidence Rule | Non-health-based | Resolved |
| July 1, 2024 | Revised Total Coliform Rule | Non-health-based | Resolved |
| June 1, 2024 | Revised Total Coliform Rule | Non-health-based | Resolved |
| January 2, 2024 | Public Notice | Non-health-based | Resolved |
| January 1, 2024 | TTHM | Non-health-based | Resolved |
| January 1, 2024 | Total Haloacetic Acids (HAA5) | Non-health-based | Resolved |
| December 13, 2023 | Public Notice | Non-health-based | Resolved |
| April 1, 2023 | Chlorine | Non-health-based | Resolved |
| January 1, 2023 | Chlorine | Non-health-based | Resolved |
| January 1, 2023 | TTHM | Non-health-based | Resolved |
| January 1, 2023 | Total Haloacetic Acids (HAA5) | Non-health-based | Resolved |
| December 1, 2022 | Revised Total Coliform Rule | Non-health-based | Resolved |
| October 1, 2022 | Lead and Copper Rule | Non-health-based | Resolved |
Contaminants Detected
The following contaminants have been flagged in EPA records for this water system:
| Contaminant | Category | Violations | Health-Based |
|---|---|---|---|
| Public Notice | Other (notice or report rule) | 5 | No |
| Chlorine | Monitoring & Reporting | 3 | No |
| Total Haloacetic Acids (HAA5) | Monitoring & Reporting | 2 | No |
| TTHM | Monitoring & Reporting | 2 | No |
| LEAD AND COPPER RULE REVISIONS | Treatment Technique, Monitoring & Reporting | 2 | Yes |
| Consumer Confidence Rule | Other (notice or report rule) | 2 | No |
| Chlorine | Monitoring & Reporting | 2 | No |
| Public Notice | Monitoring & Reporting | 1 | No |
Lead & Copper
EPA Lead and Copper Rule evidence attributed directly to this water system:
| Lead Level | Exceeds Action Level | Sample Date |
|---|---|---|
| 0.0034 mg/L | No | 2026-12-31 |
No copper action-level exceedance record appears for this PWSID in the accepted LCR snapshot. This does not establish a clean copper measurement.
Need help with your water quality?
Typical cost: Water test: typically $20–$50 (DIY kit) · Professional inspection: $150–$400
Find the Right Water FilterFree tip: Ask your water utility whether running cold water for 2 minutes is enough to flush your plumbing before drinking.
ZIP Codes Served
Coverage: Service area ZIP codes sourced from EPA Community Water System Service Area Boundaries v3 (March 2026 release). These ZIPs reflect the actual deployment footprint recorded by AZ or modeled from parcel and building-footprint data.
- 86426 - Fort Mohave
Data Sources
This report uses public data from the EPA Safe Drinking Water Information System (SDWIS). View available EPA compliance records for Rio Vista Ranches (AZ0408333) on EPA.gov.
Frequently Asked Questions
Is Rio Vista Ranches water safe to drink?
The accepted 2026Q2 ECHO snapshot shows no current noncompliance for Rio Vista Ranches; its 19 accepted 2021-2026 records are resolved or archived. Historical compliance status does not establish conditions at a specific tap.
How many people does Rio Vista Ranches serve?
Rio Vista Ranches serves approximately 59 people across 1 ZIP code in Arizona.
Where does Rio Vista Ranches get its water?
The primary water source is groundwater.
Frequently Asked Questions
How to cite this page
ZipCheckup. (n.d.). Rio Vista Ranches (AZ): 1 Health Violation. https://zipcheckup.com/water-system/az0408333/
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author = {{ZipCheckup}},
title = {{Rio Vista Ranches (AZ): 1 Health Violation}},
year = {n.d.},
url = {https://zipcheckup.com/water-system/az0408333/}
}
What You Can Do
Test your water
Home test kits can detect lead, bacteria, and other contaminants at your tap. Find the right filter →
Check your specific ZIP code
Water quality can vary within a system. View nearest ZIP report →
Contact your utility
Rio Vista Ranches (EPA ID: AZ0408333) - request the latest Consumer Confidence Report or ask about specific contaminants.