Water Quality in Duncan, OK (73533)

EPA violation data for public water systems serving ZIP code 73533.

Past Health-Based Violations

5 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 9 monitoring/reporting violations.

More violations than 73% of US ZIP codes.

Based on EPA compliance data. Not a substitute for an official water quality report from your utility.

27,618

Population

25

Water Systems

14

Violations (5yr)

5

Health-Based

Location

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Water Systems Serving This Area (25)

Duncan Public Utilities Authority

5 health-based
Surface water 23,000 people served
9 violations (5yr) · 5 health-based · All resolved
Lead tested: 0 ppb (limit: 15 ppb)

Clear Creek Lake Conc

All resolved
Groundwater 100 people served
3 violations (5yr) · All resolved

Mcgills Donuts

Groundwater 75 people served
0 violations

Delta Child Development

Groundwater 69 people served
0 violations

Duncan Mobile Village

Purchased surface water 68 people served
0 violations

Lake Humphrey Concession

All resolved
Groundwater 50 people served
2 violations (5yr) · All resolved

Brass Rail

Groundwater 50 people served
0 violations

Edgewood Kwik Mart

Groundwater 35 people served
0 violations

Bobs Corner

Groundwater 30 people served
0 violations

Kens Mart

Groundwater 26 people served
0 violations

Marges Country Kitchen

Groundwater 25 people served
0 violations

Lake Fuqua Concession

Groundwater 25 people served
0 violations

Camp Wau-Hay-Hi

Groundwater 24 people served
0 violations

Country Side Mhp

Groundwater 20 people served
0 violations

The Country Store (Harrison)

Groundwater 20 people served
0 violations

Timber Oaks

Groundwater 20 people served
0 violations

Pewitt Tp East

Groundwater 18 people served
0 violations

Southern Hills Apts (S)

Groundwater 15 people served
0 violations

Bill Pewitt Trailer Park

Groundwater 15 people served
0 violations

Southern Hills Apts (N)

Groundwater 15 people served
0 violations

Northwood Club

Groundwater 10 people served
0 violations

Merrell Station

Groundwater 10 people served
0 violations

Whittens Family Day Care Cent

Groundwater 10 people served
0 violations

Bill Pewitt Pecan Grove Tp

Groundwater 10 people served
0 violations

Renfrow Trailer Park

Groundwater 4 people served
0 violations

Contaminants Found

CARBON, TOTALHealth-Based
5 violations
All resolved
TTHMHealth-Based
1 violation
All resolved
Revised Total Coliform RuleMonitoring

Missed testing deadlines — not a detection of bacteria.

6 violations
All resolved
ChloramineMonitoring
1 violation
All resolved

Lead & Copper Levels

Lead (Pb)

Within limit
0 ppb measured Action level: 15 ppb

Sampled: Jan 2022

How Does This Compare?

Duncan (73533) has more violations than 73% of US ZIP codes. The national average is 18.87 violations per ZIP over 5 years. This ZIP has 14.

Fewer violations 73th percentile More violations

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.

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