City overview · Stephens County
PFAS in Duncan, OK
ModerateEPA UCMR 5 tested 3 public water systems serving the Duncan area across 2 ZIP codes. PFAS were detected in Duncan's water, but below EPA limits.
Plain English
01What this means for Duncan
Testing under EPA UCMR 5 found PFAS in the Duncan area at concentrations below the federal Maximum Contaminant Level. "Below the limit" is not the same as "none" — levels vary by utility. Check your specific ZIP code below for the system serving your home. A certified point-of-use filter is a low-cost way to reduce exposure further if you'd like.
By utility
02Water systems serving Duncan
By ZIP code
03Find your exact result
Contamination can differ block to block. Select your ZIP code for the precise reading at the utility that serves your address.
Source & Methodology
About this data
City-level figures aggregate the individual public water systems tested under EPA UCMR 5 whose service area falls within the Duncan area. Values reflect water quality at the treatment plant; your home's plumbing can affect what reaches your tap. Select your ZIP above for the utility-specific reading.