Water Quality in Duncan, OK (73573)

EPA violation data for public water systems serving ZIP code 73573.

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

2,416

Population

3

Water Systems

71

Violations (5yr)

63

Health-Based

Location

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Water Systems Serving This Area (3)

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)

Jefferson Co Cons Rwd #1

8 health-based
Purchased surface water 8,398 people served
8 violations (5yr) · 8 health-based · All resolved
Lead tested: 0 ppb (limit: 15 ppb)

Waurika Public Works Authority

50 health-based
Surface water 2,100 people served
54 violations (5yr) · 50 health-based

Contaminants Found

TTHMHealth-Based
27 violations
All resolved
Interim Enhanced Surface Water Treatment RuleHealth-Based
6 violations
All resolved
CARBON, TOTALHealth-Based
5 violations
All resolved
Total Haloacetic Acids (HAA5)Health-Based
4 violations
All resolved
Surface Water Treatment RuleHealth-Based
1 violation
All resolved
ChloramineMonitoring
1 violation
All resolved
Revised Total Coliform RuleMonitoring

Missed testing deadlines — not a detection of bacteria.

1 violation
All resolved
Consumer Confidence RuleMonitoring

Annual water quality report delivery requirement.

1 violation
Has active
Di(2-ethylhexyl) phthalateMonitoring
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 (73573) has more violations than 94% of US ZIP codes. The national average is 18.87 violations per ZIP over 5 years. This ZIP has 71.

Fewer violations 94th 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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