Chappell Hill Water Supply Corporation
EPA ID: TX2390003 · 645 people served · 4 ZIP codes
In every reporting cycle over the past five years, Chappell Hill Water Supply Corporation has come through without a single EPA violation — a consistent performance across the full service population of approximately 645 residents that reflects both well-maintained infrastructure and reliable operational oversight.
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 (2021) to 2 (2025). The pattern suggests growing compliance challenges.
Service Area Map
Coverage area for Chappell Hill Water Supply Corporation Source: EPA SDWIS service area boundaries.
Service area boundary — Grade C
Service Area Demographics
The Chappell Hill Water Supply Corporation serves a community with a median household income of $83,901 and an estimated 54,005 residents across its service area.
💧 Where Does Your Water Come From?
Chappell Hill 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 2% of homes in Washington 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
PFAS Detected in Service Area
PFAS ("forever chemicals") have been detected in water serving this system's area. 3 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
Chappell Hill Water Supply Corporation (EPA ID: TX2390003) is a community water system in Texas that serves approximately 645 people from groundwater sources.
This system provides water to 4 ZIP codes across 4 communities.
Average Home Safety Score: C (66/100)
Based on water quality violations, lead levels, and radon risk across all ZIP codes served by this system.
Violation History
Lead & Copper
No Lead and Copper Rule sampling data available for this water system.
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: 3 ZIP codes confirmed via EPA Community Water System Service Area Boundaries v3 plus 1 additional ZIP inferred from SDWIS registry data. The EPA-confirmed set is the most reliable; SDWIS-inferred entries may be narrower than the real deployment area.
Data Sources
This report uses public data from the EPA Safe Drinking Water Information System (SDWIS). View the full compliance record for Chappell Hill Water Supply Corporation (TX2390003) on EPA.gov.
Frequently Asked Questions
Is Chappell Hill Water Supply Corporation water safe to drink?
Based on EPA records, Chappell Hill Water Supply Corporation has no recorded violations in the past 5 years — a positive indicator of water quality management.
How many people does Chappell Hill Water Supply Corporation serve?
Chappell Hill Water Supply Corporation serves approximately 645 people across 4 ZIP codes in Texas.
Where does Chappell Hill Water Supply Corporation get its water?
The primary water source is groundwater.
Lead Service Line Inventory
Service line breakdown reported under the federal Lead and Copper Rule Improvements (LCRI) inventory requirement:
This system reports zero confirmed lead service lines in its inventory. Unknown-material counts may still warrant verification.
Federal LCRI rule (effective October 2024) requires every public water system to inventory its service lines and complete lead-line replacement within 10 years.
Source: EPA SDWIS Federal Service Line Inventory (Phase 2) · Submitted 2026
ZipCheckup is not affiliated with the utility or state agency. Inventory figures render verbatim from the public LCRI submission cited above; ZipCheckup does not perform inspections or replacements.
Frequently Asked Questions
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
Chappell Hill Water Supply Corporation (EPA ID: TX2390003) — request the latest Consumer Confidence Report or ask about specific contaminants.