Duke Public Water Authority
EPA ID: OK3003311 · 425 people served · 1 ZIP code
Duke Public Water Authority carries zero EPA violations in five years — a spotless record for a utility serving 425 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 8 (2024) to 7 (2025). The pattern suggests growing compliance challenges.
Service Area Map
Coverage area for Duke Public Water Authority Source: EPA SDWIS service area boundaries.
Service area boundary
Service Area Demographics
The Duke Public Water Authority serves a community with a median household income of $61,563 and an estimated 421 residents across its service area. Approximately 77% of housing stock was built before 1986, which increases the likelihood of lead service lines and older plumbing.
Environmental Justice Note: 63% 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?
Duke Public Water Authority's water is drawn from rivers, lakes, or reservoirs. Surface water sources are more exposed to agricultural runoff, stormwater, and upstream discharges, but they typically receive more intensive treatment before reaching your tap.
About 1% of homes in Jackson County, Oklahoma 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 Oklahoma
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
Duke Public Water Authority (EPA ID: OK3003311) is a community water system in Oklahoma that serves approximately 425 people from surface water sources.
This system serves ZIP code 73532 in Duke.
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
- 73532 — Duke
Data Sources
This report uses public data from the EPA Safe Drinking Water Information System (SDWIS). View the full compliance record for Duke Public Water Authority (OK3003311) on EPA.gov.
Frequently Asked Questions
Is Duke Public Water Authority water safe to drink?
Based on EPA records, Duke Public Water Authority has no recorded violations in the past 5 years — a positive indicator of water quality management.
How many people does Duke Public Water Authority serve?
Duke Public Water Authority serves approximately 425 people across 1 ZIP code in Oklahoma.
Where does Duke Public Water Authority get its water?
The primary water source is surface water.