Walnut Cove Water Supply Corporation
EPA ID: TX1700389 · 2,076 people served · 1 ZIP code
ZipCheckup's reading of EPA records for Walnut Cove Water Supply Corporation (TX1700389): no drinking-water violations recorded since 2021. Walnut Cove Water Supply Corporation's compliance file in EPA SDWIS lists no violations, whether health-based or monitoring and reporting, for a utility that supplies water to approximately 2,076 residents.
Data: EPA SDWIS
Service Area Map
Coverage area for Walnut Cove Water Supply Corporation Source: EPA SDWIS service area boundaries.
Service area boundary
Demographics of ZIP Codes Served
The ZIP codes associated with Walnut Cove Water Supply Corporation have a median household income of $90,246 and about 19,820 residents live in those ZIP codes (Census; not the number of people this system supplies).
💧 Where Does Your Water Come From?
Walnut Cove Water Supply Corporation'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
Walnut Cove Water Supply Corporation (EPA ID: TX1700389) is a community water system in Texas that serves approximately 2,076 people from groundwater sources.
This system serves ZIP code 77318 in Willis.
Violation History
Lead & Copper
EPA Lead and Copper Rule evidence attributed directly to this water system:
| Lead Level | Exceeds Action Level | Sample Date |
|---|---|---|
| 0.0026 mg/L | 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.
- 77318 - Willis
Data Sources
This report uses public data from the EPA Safe Drinking Water Information System (SDWIS). View available EPA compliance records for Walnut Cove Water Supply Corporation (TX1700389) on EPA.gov.
Frequently Asked Questions
Is Walnut Cove Water Supply Corporation water safe to drink?
The accepted 2026Q2 ECHO snapshot contains zero violation records for Walnut Cove Water Supply Corporation 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 Walnut Cove Water Supply Corporation serve?
Walnut Cove Water Supply Corporation serves approximately 2,076 people across 1 ZIP code in Texas.
Where does Walnut Cove Water Supply Corporation get its water?
The primary water source is groundwater.
Frequently Asked Questions
How to cite this page
ZipCheckup. (n.d.). Walnut Cove Water Supply Corporation Water Report, TX. https://zipcheckup.com/water-system/tx1700389/
@misc{zipcheckup-water-system-tx1700389,
author = {{ZipCheckup}},
title = {{Walnut Cove Water Supply Corporation Water Report, TX}},
year = {n.d.},
url = {https://zipcheckup.com/water-system/tx1700389/}
}