Yancey Water Supply Corporation
EPA ID: TX1630021 · 12,186 people served · 9 ZIP codes
ZipCheckup's reading of EPA records for Yancey Water Supply Corporation (TX1630021): no drinking-water violations recorded since 2021. Although compliance varies widely among water utilities nationally, the SDWIS file for Yancey Water Supply Corporation lists no EPA violations for this supplier, whose service area covers 12,186 residents.
Data: EPA SDWIS
Service Area Map
Coverage area for Yancey Water Supply Corporation Source: EPA SDWIS service area boundaries.
Service area boundary
Demographics of ZIP Codes Served
The ZIP codes associated with Yancey Water Supply Corporation have a median household income of $102,724 and about 134,500 residents live in those ZIP codes (Census; not the number of people this system supplies).
💧 Where Does Your Water Come From?
Yancey 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
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. 9 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
Yancey Water Supply Corporation (EPA ID: TX1630021) is a community water system in Texas that serves approximately 12,186 people from groundwater sources.
This system provides water to 9 ZIP codes across 9 communities.
Violation History
Lead & Copper
EPA Lead and Copper Rule evidence attributed directly to this water system:
| Lead Level | Exceeds Action Level | Sample Date |
|---|---|---|
| 0.0035 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.
Radon Risk in Service Area
9 of 9 ZIP records with known zones are in EPA Radon Zone 3.
The EPA recommends testing all homes regardless of radon zone. County radon zones cannot replace an in-home radon test.
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.
- 78009 - Castroville
- 78016 - Devine
- 78023 - Helotes
- 78056 - Mico
- 78057 - Moore
- 78066 - Rio Medina
- 78253 - San Antonio
- 78861 - Hondo
- 78886 - Yancey
Data Sources
This report uses public data from the EPA Safe Drinking Water Information System (SDWIS). View available EPA compliance records for Yancey Water Supply Corporation (TX1630021) on EPA.gov.
Frequently Asked Questions
Is Yancey Water Supply Corporation water safe to drink?
The accepted 2026Q2 ECHO snapshot contains zero violation records for Yancey 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 Yancey Water Supply Corporation serve?
Yancey Water Supply Corporation serves approximately 12,186 people across 9 ZIP codes in Texas.
Where does Yancey Water Supply Corporation get its water?
The primary water source is groundwater.
Federal UCMR5 PFAS Monitoring: No PFAS Reported Above Reporting Levels
This water system was tested under the federal EPA Unregulated Contaminant Monitoring Rule (UCMR5). No PFAS compounds were reported above UCMR5 minimum reporting levels.
EPA's April 2024 PFAS rule sets MCLs of 4 ppt for PFOA and PFOS and 10 ppt for PFHxS, PFNA and HFPO-DA (GenX); water systems must comply from 2029. Other PFAS compounds have no individual federal MCL. A state standard is shown only where this system's state has its own enforceable PFAS limit. Detection results are EPA UCMR5 samples, not a measurement at your tap.
Source: U.S. EPA UCMR5 (Unregulated Contaminant Monitoring Rule, 5th cycle) — per-system federal sampling, 2023–2025. EPA UCMR5 monitoring program →
Frequently Asked Questions
How to cite this page
ZipCheckup. (n.d.). Yancey Water Supply Corporation, TX: Serves 12K People. https://zipcheckup.com/water-system/tx1630021/
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