Rio Vista Mobile Home Park
EPA ID: AZ0420487 · 217 people served · 1 ZIP code
ZipCheckup's reading of EPA records for Rio Vista Mobile Home Park (AZ0420487): 4 violations on record since 2021. Within the EPA violation records on file, Rio Vista Mobile Home Park accumulated 4 violations, and every finding is recorded as resolved; the utility supplies water to approximately 217 people. Resolution of past violations is not a statement about current water quality.
Data: EPA SDWIS
Service Area Map
Coverage area for Rio Vista Mobile Home Park Source: EPA SDWIS service area boundaries.
Service area boundary
Demographics of ZIP Codes Served
The ZIP codes associated with Rio Vista Mobile Home Park have a median household income of $47,009 and about 33,447 residents live in those ZIP codes (Census; not the number of people this system supplies). Approximately 82% of housing stock was built before 1986, which increases the likelihood of lead service lines and older plumbing.
Environmental Justice Note: On average, 39% 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 Mobile Home Park'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. 1 detection 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 Mobile Home Park (EPA ID: AZ0420487) is a community water system in Arizona that serves approximately 217 people from groundwater sources.
This system serves ZIP code 85716 in Tucson.
Violation History
Status breakdown for accepted records with record years 2021-2026: 4 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 |
|---|---|---|---|
| February 26, 2023 | Public Notice | Non-health-based | Resolved |
| October 2, 2022 | Consumer Confidence Rule | Non-health-based | Resolved |
| January 1, 2022 | Revised Total Coliform Rule | Non-health-based | Resolved |
| October 1, 2021 | 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 | Monitoring & Reporting | 1 | No |
| Consumer Confidence Rule | Other (notice or report rule) | 1 | No |
| Public Notice | Other (notice or report rule) | 1 | No |
| Revised Total Coliform Rule | 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 |
|---|---|---|
| 0.0014 mg/L | No | N/A |
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.
- 85716 - Tucson
Data Sources
This report uses public data from the EPA Safe Drinking Water Information System (SDWIS). View available EPA compliance records for Rio Vista Mobile Home Park (AZ0420487) on EPA.gov.
Frequently Asked Questions
Is Rio Vista Mobile Home Park water safe to drink?
The accepted 2026Q2 ECHO snapshot shows no current noncompliance for Rio Vista Mobile Home Park; its 4 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 Mobile Home Park serve?
Rio Vista Mobile Home Park serves approximately 217 people across 1 ZIP code in Arizona.
Where does Rio Vista Mobile Home Park get its water?
The primary water source is groundwater.
Frequently Asked Questions
How to cite this page
ZipCheckup. (n.d.). Rio Vista Mobile Home Park (AZ): 4 EPA Violations. https://zipcheckup.com/water-system/az0420487/
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author = {{ZipCheckup}},
title = {{Rio Vista Mobile Home Park (AZ): 4 EPA Violations}},
year = {n.d.},
url = {https://zipcheckup.com/water-system/az0420487/}
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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 Mobile Home Park (EPA ID: AZ0420487) - request the latest Consumer Confidence Report or ask about specific contaminants.