Water Quality in BARNSDALL, OK (74002)

EPA violation data for public water systems serving ZIP code 74002.

719

Total Violations

573

Health-Based

146

Monitoring / Reporting

708

Resolved

What does this mean?

708 of 719 violations have been resolved. 573 are health-based violations, meaning contaminant levels exceeded federal safety limits. The remaining 146 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: 5 Population served: 2,254

Violations Detail (719 total)

ContaminantCategoryMCL LimitMeasuredDateStatusHealth Effects
TTHMMonitoringN/AN/ASep 28, 2025ActiveN/A
Total Haloacetic Acids (HAA5)MonitoringN/AN/ASep 28, 2025ActiveN/A
Interim Enhanced Surface Water Treatment RuleHealth-BasedN/AN/AMay 31, 2025ResolvedN/A
Interim Enhanced Surface Water Treatment RuleHealth-BasedN/AN/AMay 31, 2025ResolvedN/A
Interim Enhanced Surface Water Treatment RuleHealth-BasedN/AN/AMay 31, 2025ResolvedN/A
Interim Enhanced Surface Water Treatment RuleHealth-BasedN/AN/AMay 31, 2025ResolvedN/A
Interim Enhanced Surface Water Treatment RuleHealth-BasedN/AN/AMay 31, 2025ResolvedN/A
Interim Enhanced Surface Water Treatment RuleHealth-BasedN/AN/AMay 31, 2025ResolvedN/A
Interim Enhanced Surface Water Treatment RuleHealth-BasedN/AN/AMay 31, 2025ResolvedN/A
Interim Enhanced Surface Water Treatment RuleHealth-BasedN/AN/AMay 31, 2025ResolvedN/A

Lead & Copper Levels

Violation Timeline

2025(48)

TTHM

35

Sep 28Active

Total Haloacetic Acids (HAA5)

35

Sep 28Active

Interim Enhanced Surface Water Treatment Rule

44

May 31Resolved

Interim Enhanced Surface Water Treatment Rule

44

May 31Resolved

Interim Enhanced Surface Water Treatment Rule

44

May 31Resolved

Interim Enhanced Surface Water Treatment Rule

44

May 31Resolved

Interim Enhanced Surface Water Treatment Rule

43

May 31Resolved

Interim Enhanced Surface Water Treatment Rule

43

May 31Resolved

Interim Enhanced Surface Water Treatment Rule

43

May 31Resolved

Interim Enhanced Surface Water Treatment Rule

43

May 31Resolved

Surface Water Treatment Rule

41

May 31Resolved

Surface Water Treatment Rule

41

May 31Resolved

Surface Water Treatment Rule

41

May 31Resolved

Surface Water Treatment Rule

41

May 31Resolved

Surface Water Treatment Rule

41

May 31Resolved

Surface Water Treatment Rule

41

May 31Resolved

Surface Water Treatment Rule

41

May 31Resolved

Surface Water Treatment Rule

41

May 31Resolved

Interim Enhanced Surface Water Treatment Rule

44

Apr 30Resolved

Interim Enhanced Surface Water Treatment Rule

44

Apr 30Resolved

Interim Enhanced Surface Water Treatment Rule

44

Apr 30Resolved

Surface Water Treatment Rule

41

Apr 30Resolved

Surface Water Treatment Rule

41

Apr 30Resolved

TTHM

02

Mar 31Resolved

CARBON, TOTAL

46

Mar 31Resolved

CARBON, TOTAL

46

Mar 31Resolved

CARBON, TOTAL

46

Mar 31Resolved

TTHM

02

Mar 31Resolved

TTHM

02

Mar 31Resolved

TTHM

02

Mar 31Resolved

TTHM

02

Mar 31Resolved

TTHM

02

Mar 31Resolved

TTHM

35

Mar 31Active

Total Haloacetic Acids (HAA5)

02

Mar 31Resolved

TTHM

35

Mar 31Active

TTHM

02

Mar 31Resolved

TTHM

02

Mar 31Resolved

TTHM

02

Mar 31Resolved

TTHM

02

Mar 31Resolved

Total Haloacetic Acids (HAA5)

02

Mar 31Resolved

TTHM

02

Mar 31Resolved

TTHM

02

Mar 31Resolved

TTHM

02

Mar 31Resolved

TTHM

02

Mar 31Resolved

Total Haloacetic Acids (HAA5)

02

Mar 31Resolved

Total Haloacetic Acids (HAA5)

35

Mar 31Active

Total Haloacetic Acids (HAA5)

35

Mar 31Active

Total Haloacetic Acids (HAA5)

02

Mar 31Resolved

2024(157)

CARBON, TOTAL

46

Dec 31Resolved

CARBON, TOTAL

46

Dec 31Resolved

CARBON, TOTAL

46

Dec 31Resolved

CARBON, TOTAL

46

Dec 31Resolved

CARBON, TOTAL

46

Dec 31Resolved

CARBON, TOTAL

46

Dec 31Resolved

CARBON, TOTAL

46

Dec 31Resolved

TTHM

02

Dec 31Resolved

Total Haloacetic Acids (HAA5)

02

Dec 31Resolved

Total Haloacetic Acids (HAA5)

02

Dec 31Resolved

Total Haloacetic Acids (HAA5)

02

Dec 31Resolved

Total Haloacetic Acids (HAA5)

02

Dec 31Resolved

TTHM

02

Dec 31Resolved

TTHM

02

Dec 31Resolved

TTHM

02

Dec 31Resolved

Total Haloacetic Acids (HAA5)

35

Dec 29Resolved

TTHM

35

Dec 29Resolved

TTHM

35

Dec 29Resolved

Total Haloacetic Acids (HAA5)

35

Dec 29Resolved

Interim Enhanced Surface Water Treatment Rule

43

Nov 30Resolved

Interim Enhanced Surface Water Treatment Rule

43

Nov 30Resolved

Interim Enhanced Surface Water Treatment Rule

44

Nov 30Resolved

Interim Enhanced Surface Water Treatment Rule

44

Nov 30Resolved

Interim Enhanced Surface Water Treatment Rule

44

Nov 30Resolved

Interim Enhanced Surface Water Treatment Rule

44

Nov 30Resolved

Interim Enhanced Surface Water Treatment Rule

44

Nov 30Resolved

Interim Enhanced Surface Water Treatment Rule

43

Nov 30Resolved

Interim Enhanced Surface Water Treatment Rule

43

Nov 30Resolved

Interim Enhanced Surface Water Treatment Rule

43

Nov 30Resolved

Interim Enhanced Surface Water Treatment Rule

43

Nov 30Resolved

Interim Enhanced Surface Water Treatment Rule

44

Nov 30Resolved

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

4G

Oct 16Active

LEAD AND COPPER RULE REVISIONS

2E

Oct 16Active

TTHM

02

Sep 30Resolved

TTHM

02

Sep 30Resolved

TTHM

02

Sep 30Resolved

TTHM

02

Sep 30Resolved

CARBON, TOTAL

46

Sep 30Resolved

TTHM

02

Sep 30Resolved

Lead and Copper Rule

52

Sep 30Active

Lead and Copper Rule

52

Sep 30Active

Lead and Copper Rule

52

Sep 30Active

TTHM

02

Sep 30Resolved

TTHM

02

Sep 30Resolved

CARBON, TOTAL

46

Sep 30Resolved

CARBON, TOTAL

46

Sep 30Resolved

CARBON, TOTAL

46

Sep 30Resolved

CARBON, TOTAL

46

Sep 30Resolved

CARBON, TOTAL

46

Sep 30Resolved

CARBON, TOTAL

46

Sep 30Resolved

TTHM

27

Sep 30Resolved

TTHM

02

Sep 30Resolved

TTHM

27

Sep 30Resolved

TTHM

27

Sep 30Resolved

Total Haloacetic Acids (HAA5)

02

Sep 30Resolved

TTHM

02

Sep 30Resolved

Total Haloacetic Acids (HAA5)

02

Sep 30Resolved

Total Haloacetic Acids (HAA5)

27

Sep 30Resolved

Total Haloacetic Acids (HAA5)

27

Sep 30Resolved

Total Haloacetic Acids (HAA5)

27

Sep 30Resolved

Total Haloacetic Acids (HAA5)

02

Sep 30Resolved

Total Haloacetic Acids (HAA5)

02

Sep 30Resolved

TTHM

02

Sep 30Resolved

TTHM

02

Sep 30Resolved

TTHM

35

Sep 28Resolved

TTHM

35

Sep 28Resolved

Surface Water Treatment Rule

41

Aug 31Resolved

Surface Water Treatment Rule

41

Aug 31Resolved

Surface Water Treatment Rule

41

Aug 31Resolved

Surface Water Treatment Rule

41

Jul 31Resolved

Surface Water Treatment Rule

41

Jul 31Resolved

Surface Water Treatment Rule

41

Jun 30Resolved

CARBON, TOTAL

46

Jun 30Resolved

CARBON, TOTAL

46

Jun 30Resolved

CARBON, TOTAL

46

Jun 30Resolved

TTHM

02

Jun 30Resolved

TTHM

02

Jun 30Resolved

TTHM

02

Jun 30Resolved

TTHM

02

Jun 30Resolved

TTHM

02

Jun 30Resolved

TTHM

02

Jun 30Resolved

TTHM

02

Jun 30Resolved

CARBON, TOTAL

46

Jun 30Resolved

Surface Water Treatment Rule

41

Jun 30Resolved

Surface Water Treatment Rule

41

Jun 30Resolved

Surface Water Treatment Rule

41

Jun 30Resolved

CARBON, TOTAL

46

Jun 30Resolved

CARBON, TOTAL

46

Jun 30Resolved

CARBON, TOTAL

46

Jun 30Resolved

Surface Water Treatment Rule

41

Jun 30Resolved

Surface Water Treatment Rule

41

Jun 30Resolved

Surface Water Treatment Rule

41

Jun 30Resolved

Total Haloacetic Acids (HAA5)

27

Jun 30Resolved

Total Haloacetic Acids (HAA5)

27

Jun 30Resolved

TTHM

02

Jun 30Resolved

TTHM

02

Jun 30Resolved

TTHM

02

Jun 30Resolved

Total Haloacetic Acids (HAA5)

27

Jun 30Resolved

Total Haloacetic Acids (HAA5)

27

Jun 30Resolved

Total Haloacetic Acids (HAA5)

02

Jun 30Resolved

Total Haloacetic Acids (HAA5)

02

Jun 30Resolved

Total Haloacetic Acids (HAA5)

02

Jun 30Resolved

TTHM

02

Jun 30Resolved

Total Haloacetic Acids (HAA5)

02

Jun 30Resolved

TTHM

27

Jun 30Resolved

TTHM

27

Jun 30Resolved

TTHM

27

Jun 30Resolved

TTHM

27

Jun 30Resolved

Chlorine

27

May 31Resolved

Chlorine

27

May 31Resolved

Revised Total Coliform Rule

3A

May 31Resolved

Revised Total Coliform Rule

3A

May 31Resolved

Revised Total Coliform Rule

3A

May 31Resolved

Revised Total Coliform Rule

3A

May 31Resolved

Chlorine

27

May 31Resolved

Chlorine

27

May 31Resolved

Interim Enhanced Surface Water Treatment Rule

38

Apr 30Resolved

Interim Enhanced Surface Water Treatment Rule

38

Apr 30Resolved

Interim Enhanced Surface Water Treatment Rule

38

Apr 30Resolved

Interim Enhanced Surface Water Treatment Rule

38

Apr 30Resolved

CARBON, TOTAL

46

Mar 31Resolved

CARBON, TOTAL

46

Mar 31Resolved

CARBON, TOTAL

46

Mar 31Resolved

CARBON, TOTAL

46

Mar 31Resolved

CARBON, TOTAL

46

Mar 31Resolved

CARBON, TOTAL

46

Mar 31Resolved

CARBON, TOTAL

46

Mar 31Resolved

TTHM

02

Mar 31Resolved

TTHM

02

Mar 31Resolved

TTHM

02

Mar 31Resolved

TTHM

02

Mar 31Resolved

TTHM

35

Mar 30Resolved

TTHM

35

Mar 30Resolved

TTHM

27

Feb 28Resolved

Total Haloacetic Acids (HAA5)

27

Feb 28Resolved

Total Haloacetic Acids (HAA5)

27

Feb 28Resolved

Total Haloacetic Acids (HAA5)

27

Feb 28Resolved

Total Haloacetic Acids (HAA5)

27

Feb 28Resolved

TTHM

27

Feb 28Resolved

TTHM

27

Feb 28Resolved

TTHM

27

Feb 28Resolved

Total Haloacetic Acids (HAA5)

27

Jan 31Resolved

Total Haloacetic Acids (HAA5)

27

Jan 31Resolved

Total Haloacetic Acids (HAA5)

27

Jan 31Resolved

TTHM

27

Jan 31Resolved

TTHM

27

Jan 31Resolved

TTHM

27

Jan 31Resolved

TTHM

27

Jan 31Resolved

Revised Total Coliform Rule

3A

Jan 31Resolved

Revised Total Coliform Rule

3A

Jan 31Resolved

Total Haloacetic Acids (HAA5)

27

Jan 31Resolved

Revised Total Coliform Rule

3A

Jan 31Resolved

Revised Total Coliform Rule

3A

Jan 31Resolved

How Does This Compare?

BARNSDALL (74002) has 719 recorded violations, including 573 health-based. 11 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

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

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

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

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