Lake Medina Shores
EPA ID: TX0100037 · 3,660 people served · 2 ZIP codes
ZipCheckup's reading of EPA SDWIS for Lake Medina Shores (TX0100037): 1 EPA violation in the last five years. Water monitoring history for Lake Medina Shores includes 1 violation, each addressed and closed - the system holds no active EPA enforcement today for its 3,660 residents.
Data: EPA SDWIS
Service Area Map
Coverage area for Lake Medina Shores Source: EPA SDWIS service area boundaries.
Service area boundary
Service Area Demographics
The Lake Medina Shores serves a community with a median household income of $66,783 and an estimated 20,188 residents across its service area.
💧 Where Does Your Water Come From?
Lake Medina Shores's water is pumped from underground aquifers. 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
Detected Contaminants
How Lake Medina Shores compares to EPA limits
What This Means For You
Surface Water Treatment Rule at 1 mg/L exceeds the EPA maximum of mg/L.
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
Lake Medina Shores (EPA ID: TX0100037) is a community water system in Texas that serves approximately 3,660 people from groundwater sources.
This system provides water to 2 ZIP codes across 2 communities.
Violation History
Status breakdown for accepted records with record years 2021-2026: 1 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 |
|---|---|---|---|
| July 1, 2025 | Surface Water Treatment 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 |
|---|---|---|---|
| Surface Water Treatment Rule | Treatment Failure | 1 | No |
Lead & Copper
EPA Lead and Copper Rule evidence attributed directly to this water system:
| Lead Level | Exceeds Action Level | Sample Date |
|---|---|---|
| 0.001 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.
Radon Risk in Service Area
Dominant radon zone for ZIP codes served by this system: Zone 3 (Low Risk)
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: Let cold water run for 2 minutes before drinking — this helps flush lead from your pipes.
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.
Data Sources
This report uses public data from the EPA Safe Drinking Water Information System (SDWIS). View the full compliance record for Lake Medina Shores (TX0100037) on EPA.gov.
Frequently Asked Questions
Is Lake Medina Shores water safe to drink?
The accepted 2026Q2 ECHO snapshot shows no current noncompliance for Lake Medina Shores; its 1 accepted 2021-2026 record are resolved or archived. Historical compliance status does not establish conditions at a specific tap.
How many people does Lake Medina Shores serve?
Lake Medina Shores serves approximately 3,660 people across 2 ZIP codes in Texas.
Where does Lake Medina Shores get its water?
The primary water source is groundwater.
Frequently Asked Questions
How to cite this page
ZipCheckup. (n.d.). Lake Medina Shores (TX): 1 EPA Violation. https://zipcheckup.com/water-system/tx0100037/
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author = {{ZipCheckup}},
title = {{Lake Medina Shores (TX): 1 EPA Violation}},
year = {n.d.},
url = {https://zipcheckup.com/water-system/tx0100037/}
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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
Lake Medina Shores (EPA ID: TX0100037) - request the latest Consumer Confidence Report or ask about specific contaminants.