Sheffield Water Supply Corporation
EPA ID: TX1860004 · 350 people served · 1 ZIP code
Federal monitoring spanning five full years has produced zero violations at Sheffield Water Supply Corporation — a clean record across every reporting cycle for a utility serving approximately 350 residents.
Data: EPA SDWIS Last verified: 2026-04-02
Compliance Trajectory
Worsening · Risk tier: High · 95% chance of violation in next 12 months
Violations went from 1 (2022) to 1 (2025). The pattern suggests growing compliance challenges.
Service Area Map
Coverage area for Sheffield Water Supply Corporation Source: EPA SDWIS service area boundaries.
Service area boundary
Service Area Demographics
The Sheffield Water Supply Corporation serves a community with a median household income of $41,972 and an estimated 1,630 residents across its service area. Approximately 72% of housing stock was built before 1986, which increases the likelihood of lead service lines and older plumbing.
Environmental Justice Note: 50% of the population in this service area is classified as disadvantaged under EPA's EJScreen criteria. Communities with higher disadvantaged populations often face disproportionate environmental and health burdens, including aging water infrastructure and limited resources for remediation.
💧 Where Does Your Water Come From?
Sheffield Water Supply Corporation'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.
About 0% of homes in Pecos County, Texas rely on private wells rather than public water systems. Private well owners are responsible for their own water testing and treatment.
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
Sheffield Water Supply Corporation (EPA ID: TX1860004) is a community water system in Texas that serves approximately 350 people from groundwater sources.
This system serves ZIP code 79744 in Iraan.
Violation History
Lead & Copper
No Lead and Copper Rule sampling data available for this water system.
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
- 79744 — Iraan
Data Sources
This report uses public data from the EPA Safe Drinking Water Information System (SDWIS). View the full compliance record for Sheffield Water Supply Corporation (TX1860004) on EPA.gov.
Frequently Asked Questions
Is Sheffield Water Supply Corporation water safe to drink?
Based on EPA records, Sheffield Water Supply Corporation has no recorded violations in the past 5 years — a positive indicator of water quality management.
How many people does Sheffield Water Supply Corporation serve?
Sheffield Water Supply Corporation serves approximately 350 people across 1 ZIP code in Texas.
Where does Sheffield Water Supply Corporation get its water?
The primary water source is groundwater.