Oak Meadows
EPA ID: TX1050100 · 954 people served · 1 ZIP code
ZipCheckup's reading of EPA records for Oak Meadows (TX1050100): no drinking-water violations recorded since 2021. No violations appear in the federal EPA file for Oak Meadows, which supplies 954 people.
Data: EPA SDWIS
Service Area Map
Coverage area for Oak Meadows Source: EPA SDWIS service area boundaries.
Service area boundary
Demographics of ZIP Codes Served
The ZIP codes associated with Oak Meadows have a median household income of $55,478 and about 87,775 residents live in those ZIP codes (Census; not the number of people this system supplies).
💧 Where Does Your Water Come From?
Oak Meadows'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. 4 detections recorded.
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
Oak Meadows (EPA ID: TX1050100) is a community water system in Texas that serves approximately 954 people from groundwater sources.
This system serves ZIP code 78666 in San Marcos.
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 | 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 TX or modeled from parcel and building-footprint data.
- 78666 - San Marcos
Data Sources
This report uses public data from the EPA Safe Drinking Water Information System (SDWIS). View available EPA compliance records for Oak Meadows (TX1050100) on EPA.gov.
Frequently Asked Questions
Is Oak Meadows water safe to drink?
The accepted 2026Q2 ECHO snapshot contains zero violation records for Oak Meadows 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 Oak Meadows serve?
Oak Meadows serves approximately 954 people across 1 ZIP code in Texas.
Where does Oak Meadows get its water?
The primary water source is groundwater.
Frequently Asked Questions
How to cite this page
ZipCheckup. (n.d.). Oak Meadows Water Quality Report, TX. https://zipcheckup.com/water-system/tx1050100/
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title = {{Oak Meadows Water Quality Report, TX}},
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url = {https://zipcheckup.com/water-system/tx1050100/}
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