Rio Vista Subdivision
EPA ID: TX1700778 · 942 people served · 1 ZIP code
ZipCheckup's reading of EPA records for Rio Vista Subdivision (TX1700778): no drinking-water violations recorded since 2021. With no violations in its EPA file, Rio Vista Subdivision serves 942 residents.
Data: EPA SDWIS
Service Area Map
Coverage area for Rio Vista Subdivision Source: EPA SDWIS service area boundaries.
Service area boundary
Demographics of ZIP Codes Served
The ZIP codes associated with Rio Vista Subdivision have a median household income of $78,601 and about 14,088 residents live in those ZIP codes (Census; not the number of people this system supplies).
Environmental Justice Note: On average, 50% 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 Subdivision'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
Comparable Water Systems
Similar-sized systems in Texas
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 Subdivision (EPA ID: TX1700778) is a community water system in Texas that serves approximately 942 people from groundwater sources.
This system serves ZIP code 77372 in Splendora.
Violation History
Lead & Copper
EPA Lead and Copper Rule evidence attributed directly to this water system:
| Lead Level | Exceeds Action Level | Sample Date |
|---|---|---|
| Below the reporting limit | No | 2025-12-31 |
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 TX or modeled from parcel and building-footprint data.
- 77372 - Splendora
Data Sources
This report uses public data from the EPA Safe Drinking Water Information System (SDWIS). View available EPA compliance records for Rio Vista Subdivision (TX1700778) on EPA.gov.
Frequently Asked Questions
Is Rio Vista Subdivision water safe to drink?
The accepted 2026Q2 ECHO snapshot contains zero violation records for Rio Vista Subdivision in the inclusive 2021-2026 record-year window. This is a compliance-record finding, not a guarantee about water at a specific tap.
How many people does Rio Vista Subdivision serve?
Rio Vista Subdivision serves approximately 942 people across 1 ZIP code in Texas.
Where does Rio Vista Subdivision get its water?
The primary water source is groundwater.
Frequently Asked Questions
How to cite this page
ZipCheckup. (n.d.). Rio Vista Subdivision Water Quality Report, TX. https://zipcheckup.com/water-system/tx1700778/
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