Water Quality in ENID, OK (73703)

EPA violation data for public water systems serving ZIP code 73703.

299

Total Violations

3

Health-Based

296

Monitoring / Reporting

295

Resolved

What does this mean?

295 of 299 violations have been resolved. 3 are health-based violations, meaning contaminant levels exceeded federal safety limits. The remaining 296 are monitoring or reporting violations (missed testing deadlines or late paperwork — not necessarily a water quality issue). Not all violations mean your water is unsafe. The EPA requires reporting even for minor administrative issues.

Water systems: 10 Population served: 1,456

Violations Detail (299 total)

ContaminantCategoryMCL LimitMeasuredDateStatusHealth Effects
Consumer Confidence RuleMonitoringN/AN/AJun 30, 2025ActiveN/A
LEAD AND COPPER RULE REVISIONSMonitoringN/AN/AOct 16, 2024ResolvedN/A
LEAD AND COPPER RULE REVISIONSMonitoringN/AN/AOct 16, 2024ResolvedN/A
LEAD AND COPPER RULE REVISIONSHealth-BasedN/AN/AOct 16, 2024ResolvedN/A
LEAD AND COPPER RULE REVISIONSHealth-BasedN/AN/AOct 16, 2024ResolvedN/A
LEAD AND COPPER RULE REVISIONSHealth-BasedN/AN/AOct 16, 2024ActiveN/A
LEAD AND COPPER RULE REVISIONSMonitoringN/AN/AOct 16, 2024ActiveN/A
Consumer Confidence RuleMonitoringN/AN/AJun 30, 2024ResolvedN/A
Consumer Confidence RuleMonitoringN/AN/AJun 30, 2024ResolvedN/A
Consumer Confidence RuleMonitoringN/AN/AJun 30, 2024ActiveN/A

Lead & Copper Levels

Violation Timeline

2025(1)

Consumer Confidence Rule

71

Jun 30Active

2024(9)

LEAD AND COPPER RULE REVISIONS

4G

Oct 16Resolved

LEAD AND COPPER RULE REVISIONS

4G

Oct 16Resolved

LEAD AND COPPER RULE REVISIONS

2E

Oct 16Resolved

LEAD AND COPPER RULE REVISIONS

2E

Oct 16Resolved

LEAD AND COPPER RULE REVISIONS

2E

Oct 16Active

LEAD AND COPPER RULE REVISIONS

4G

Oct 16Active

Consumer Confidence Rule

71

Jun 30Resolved

Consumer Confidence Rule

71

Jun 30Resolved

Consumer Confidence Rule

71

Jun 30Active

How Does This Compare?

ENID (73703) has 299 recorded violations, including 3 health-based. 4 remain unresolved. Consider testing your tap water independently for added peace of mind.

Recommended Water Filters

Based on the contaminants detected in your area, these filter types may help improve your water quality.

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

NSF Certified Products → EPA Safe Drinking Water Guide →

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

NSF Certified Products → EPA Safe Drinking Water Guide →

UV Water Purifier

Uses ultraviolet light to neutralize bacteria, viruses, and parasites without chemicals. Ideal for homes with microbial contamination concerns.

Targets:E. coli, Coliform, Giardia, Cryptosporidium

Look for:NSF/ANSI 55 (Class A) certified

NSF Certified Products → EPA Safe Drinking Water Guide →

Always look for filters certified by NSF International for the specific contaminants you want to remove.

Nearby ZIP Codes

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