Duncan
Is Duncan tap water safe to drink?
Use extra caution — Duncan scores 0/100. This report aggregates EPA drinking water data across 1 local system in Duncan. We found 849 total violations (158 unresolved).
Real-Time Environment
Live: 10:15 PM☀️ No active precipitation. Rainfall can impact surface water turbidity and pollutant runoff in Duncan.
Water Quality Impact
🛡️ Home Water Treatment Needs
Should you invest in filtration or softening for your home in Duncan?
Expert Advice
Given the safety margin, a Carbon Block or sediment filter is recommended to improve taste and remove trace particulates.
Buying a Filter?
Filter requirements and certified reduction benchmarks for Duncan tap water.
Baby Formula Safety
Infant formula preparation risks, nitrate levels, and lead pipe guidance in Duncan.
Homebuyer's Perspective
Evaluating water infrastructure in Duncan protects plumbing and helps estimate water heater longevity. With a score of 0/100, we recommend budgeting for high-quality point-of-entry filtration systems to protect your home's value.
Health & Family Safety
Current records show no major contaminant spikes, making Duncan a preferred choice for health-conscious families.
View Health Risk Glossary →Compliance Record for Duncan
Based on EPA SDWIS violation records and contaminant test results for all water systems serving Duncan.
Frequently Asked Questions
Is Duncan tap water safe to drink?
Use extra caution — Duncan scores 0/100.
How many water systems serve Duncan?
Duncan is served by 1 public water system in our latest EPA-backed dataset.
How can I check water quality for my exact address in Duncan?
Use the WaterQ search tool to look up your ZIP code and view nearby systems, contaminant levels, and recent violations for Duncan.
What is the water quality score for Duncan?
The water quality score for Duncan is 0 out of 100, based on EPA contaminant data, violation history, and testing results across the 1 system serving the city.
What are the top contaminants in Duncan?
Current contaminant data for Duncan is being updated. Check back soon or search your specific address for the latest results.
Duncan Water Quality Summary
Duncan, OK receives a water quality score of 0/100 (Grade F) based on EPA Safe Drinking Water Information System (SDWIS) compliance data for 1 public water system serving the area.
Duncan's water quality score is below the national average, indicating a history of EPA violations or elevated contaminant levels. Residents are encouraged to check their specific water system report and consider additional filtration.
Duncan's score of 0 is 38 points below the Oklahoma state average of 38, and below the nationwide average of roughly 78/100 across all U.S. states.
Water quality data is sourced from the U.S. EPA SDWIS database and updated quarterly. Learn about our scoring methodology → Read our Oklahoma water quality rankings report →
No contaminant-specific recommendation is available from the records shown here.
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Water Systems Serving Duncan (1)
Check Your Specific Address
Water quality can vary by neighborhood in Duncan.
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