Water Quality in Enid, OK (73753)

EPA violation data for public water systems serving ZIP code 73753.

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

378

Population

4

Water Systems

66

Violations (5yr)

10

Health-Based

Location

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Water Systems Serving This Area (4)

Enid

1 health-based
Groundwater 49,347 people served
9 violations (5yr) · 1 health-based · All resolved
Lead tested: 5.1 ppb (limit: 15 ppb)

Kremlin-Hillsdale Rural Water District 1

7 health-based
Groundwater 320 people served
14 violations (5yr) · 7 health-based · All resolved
Lead tested: 2.2 ppb (limit: 15 ppb)

Hunter

1 health-based
Purchased groundwater 300 people served
40 violations (5yr) · 1 health-based
Lead tested: 1.2 ppb (limit: 15 ppb)

Kremlin

1 health-based
Purchased groundwater 300 people served
3 violations (5yr) · 1 health-based
Lead tested: 9 ppb (limit: 15 ppb) Copper tested: 1980 ppb (limit: 1300 ppb)

Contaminants Found

Nitrate-NitriteHealth-Based
9 violations
All resolved
LEAD AND COPPER RULE REVISIONSHealth-Based
6 violations
Has active
Revised Total Coliform RuleMonitoring

Missed testing deadlines — not a detection of bacteria.

14 violations
All resolved
ChlorineMonitoring

Used to disinfect water — generally safe at regulated levels.

13 violations
All resolved
TTHMMonitoring
5 violations
All resolved
Total Haloacetic Acids (HAA5)Monitoring
5 violations
All resolved
Lead and Copper RuleMonitoring

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

5 violations
All resolved
AsbestosMonitoring
3 violations
All resolved
Consumer Confidence RuleMonitoring

Annual water quality report delivery requirement.

2 violations
Has active

Lead & Copper Levels

Lead (Pb)

Within limit
1.2 ppb measured Action level: 15 ppb

Sampled: Jul 2025

Copper (Cu)

Exceeds limit
1980 ppb measured Action level: 1300 ppb

Sampled: Jul 2025

How Does This Compare?

Enid (73753) has more violations than 93% of US ZIP codes. The national average is 18.87 violations per ZIP over 5 years. This ZIP has 66.

Fewer violations 93th 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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