Water Quality in Duncan, OK (73442)
EPA violation data for public water systems serving ZIP code 73442.
Past Health-Based Violations
13 health-based violations were found in the past 5 years, meaning contaminant levels exceeded federal safety limits. All have since been resolved. There are also 27 monitoring/reporting violations.
More violations than 88% of US ZIP codes.
Based on EPA compliance data. Not a substitute for an official water quality report from your utility.
275
Population
3
Water Systems
40
Violations (5yr)
13
Health-Based
Location
Loading map...
Water Systems Serving This Area (3)
Duncan Public Utilities Authority
5 health-basedJefferson Co Cons Rwd #1
8 health-basedStephens Co Rwd #4 (Loco)
All resolvedContaminants Found
Missed testing deadlines — not a detection of bacteria.
Used to disinfect water — generally safe at regulated levels.
Annual water quality report delivery requirement.
Lead and copper testing requirement. Lead exposure can cause developmental harm in children.
Lead & Copper Levels
Lead (Pb)
Within limitSampled: Jan 2023
How Does This Compare?
Duncan (73442) has more violations than 88% of US ZIP codes. The national average is 18.87 violations per ZIP over 5 years. This ZIP has 40.
Recommended Water Filters
Based on health-based violations detected in your area, these filter types are commonly used to address similar contaminants. Consult your water utility's Consumer Confidence Report for the most current data.
Activated Carbon Filter
Excellent for removing chlorine, chloramine, and disinfection byproducts like THMs and HAAs. Available as pitcher filters, countertop, or under-sink units.
Targets:THMs, HAAs, Chlorine, Chloramine, Taste & Odor
Look for:NSF/ANSI 42 & 53 certified
Always look for filters certified by NSF International for the specific contaminants you want to remove. This is general educational information, not an endorsement of any specific product.