Knob Hill Water System Denton
EPA ID: TX0610068 · 234 people served · 1 ZIP code
EPA data: Knob Hill Water System Denton — zero violations, five years, 234 served.
Data: EPA SDWIS Last verified: 2026-04-02
Service Area Map
Coverage area for Knob Hill Water System Denton Source: EPA SDWIS service area boundaries.
Service area boundary
Service Area Demographics
The Knob Hill Water System Denton serves a community with a median household income of $126,341 and an estimated 70,562 residents across its service area.
💧 Where Does Your Water Come From?
Knob Hill Water System Denton'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 1% of homes in Denton 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. 4 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
Knob Hill Water System Denton (EPA ID: TX0610068) is a community water system in Texas that serves approximately 234 people from groundwater sources.
This system serves ZIP code 75068 in Little Elm.
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
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.
- 75068 — Little Elm
Data Sources
This report uses public data from the EPA Safe Drinking Water Information System (SDWIS). View the full compliance record for Knob Hill Water System Denton (TX0610068) on EPA.gov.
Frequently Asked Questions
Is Knob Hill Water System Denton water safe to drink?
Based on EPA records, Knob Hill Water System Denton has no recorded violations in the past 5 years — a positive indicator of water quality management.
How many people does Knob Hill Water System Denton serve?
Knob Hill Water System Denton serves approximately 234 people across 1 ZIP code in Texas.
Where does Knob Hill Water System Denton get its water?
The primary water source is groundwater.