Water Quality in Westville, OK (74965)

EPA violation data for public water systems serving ZIP code 74965.

Past Health-Based Violations

7 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 49 monitoring/reporting violations.

More violations than 92% of US ZIP codes.

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

4,793

Population

10

Water Systems

56

Violations (5yr)

7

Health-Based

Location

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Water Systems Serving This Area (10)

Adair Co Rwd #3

1 health-based
Purchased surface water 2,598 people served
2 violations (5yr) · 1 health-based · All resolved

Westville Utility Authority

Purchased surface water 1,596 people served
0 violations
Lead tested: 0 ppb (limit: 15 ppb)

Westville

Groundwater 1,596 people served
0 violations

Adair Co Rwd #5

6 health-based
Surface water 675 people served
54 violations (5yr) · 6 health-based · All resolved
Lead tested: 1.6 ppb (limit: 15 ppb)

Skelly School

Groundwater 72 people served
0 violations

Christie School

Groundwater 55 people served
0 violations

Roper Gas And Grocery

Groundwater 25 people served
0 violations

Hudson Foods

Groundwater 25 people served
0 violations

The Country Diner

Groundwater 25 people served
0 violations

Dunns Fruit Stand

Groundwater 25 people served
0 violations

Contaminants Found

Interim Enhanced Surface Water Treatment RuleHealth-Based
26 violations
All resolved
CARBON, TOTALHealth-Based
8 violations
All resolved
LEAD AND COPPER RULE REVISIONSHealth-Based
4 violations
All resolved
Total Haloacetic Acids (HAA5)Monitoring
2 violations
All resolved
TTHMMonitoring
2 violations
All resolved
ChlorineMonitoring

Used to disinfect water — generally safe at regulated levels.

2 violations
All resolved
Revised Total Coliform RuleMonitoring

Missed testing deadlines — not a detection of bacteria.

2 violations
All resolved
Lead and Copper RuleMonitoring

Lead and copper testing requirement. Lead exposure can cause developmental harm in children.

1 violation
All resolved
Public NoticeMonitoring
1 violation
All resolved
Consumer Confidence RuleMonitoring

Annual water quality report delivery requirement.

1 violation
All resolved
Nitrate-NitriteMonitoring
1 violation
All resolved

Lead & Copper Levels

Lead (Pb)

Within limit
1.6 ppb measured Action level: 15 ppb

Sampled: Jan 2025

How Does This Compare?

Westville (74965) has more violations than 92% of US ZIP codes. The national average is 18.87 violations per ZIP over 5 years. This ZIP has 56.

Fewer violations 92th 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.

Reverse Osmosis System

Highly effective at removing heavy metals, dissolved solids, and a wide range of contaminants. Recommended for homes with lead or arsenic concerns.

Targets:Lead, Copper, Arsenic, Mercury, Cadmium

Look for:NSF/ANSI 58 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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