Riverwalk Subdivision
EPA ID: TX1700604 · 2,820 people served · 1 ZIP code
ZipCheckup's reading of EPA records for Riverwalk Subdivision (TX1700604): no drinking-water violations recorded since 2021. Riverwalk Subdivision has no EPA violations on record; the utility serves 2,820 residents.
Data: EPA SDWIS
Service Area Map
Coverage area for Riverwalk Subdivision Source: EPA SDWIS service area boundaries.
Service area boundary
Demographics of ZIP Codes Served
The ZIP codes associated with Riverwalk Subdivision have a median household income of $96,093 and about 43,025 residents live in those ZIP codes (Census; not the number of people this system supplies).
💧 Where Does Your Water Come From?
Riverwalk 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
Riverwalk Subdivision (EPA ID: TX1700604) is a community water system in Texas that serves approximately 2,820 people from groundwater sources.
This system serves ZIP code 77365 in Porter.
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 | 2023-12-31 |
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.
- 77365 - Porter
Data Sources
This report uses public data from the EPA Safe Drinking Water Information System (SDWIS). View available EPA compliance records for Riverwalk Subdivision (TX1700604) on EPA.gov.
Frequently Asked Questions
Is Riverwalk Subdivision water safe to drink?
The accepted 2026Q2 ECHO snapshot contains zero violation records for Riverwalk 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 Riverwalk Subdivision serve?
Riverwalk Subdivision serves approximately 2,820 people across 1 ZIP code in Texas.
Where does Riverwalk Subdivision get its water?
The primary water source is groundwater.
Frequently Asked Questions
How to cite this page
ZipCheckup. (n.d.). Riverwalk Subdivision Water Quality Report, TX. https://zipcheckup.com/water-system/tx1700604/
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