Water Quality in CHOCTAW, OK (73020)

EPA violation data for public water systems serving ZIP code 73020.

629

Total Violations

5

Health-Based

624

Monitoring / Reporting

607

Resolved

What does this mean?

607 of 629 violations have been resolved. 5 are health-based violations, meaning contaminant levels exceeded federal safety limits. The remaining 624 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: 76 Population served: 10,881

Violations Detail (629 total)

ContaminantCategoryMCL LimitMeasuredDateStatusHealth Effects
E. COLIMonitoring0N/AJul 10, 2025ActiveSevere gastrointestinal illness; may be fatal in vulnerable populations
E. COLIMonitoring0N/AJul 10, 2025ActiveSevere gastrointestinal illness; may be fatal in vulnerable populations
ChlorineMonitoringN/AN/AMay 31, 2025ResolvedEye and nose irritation; stomach discomfort
ChlorineMonitoringN/AN/AMay 31, 2025ResolvedEye and nose irritation; stomach discomfort
ChlorineMonitoringN/AN/AMay 31, 2025ResolvedEye and nose irritation; stomach discomfort
Revised Total Coliform RuleMonitoringN/AN/AMay 31, 2025ResolvedN/A
Revised Total Coliform RuleMonitoringN/AN/AMay 31, 2025ResolvedN/A
Revised Total Coliform RuleMonitoringN/AN/AMay 31, 2025ResolvedN/A
Revised Total Coliform RuleMonitoringN/AN/AApr 30, 2025ResolvedN/A
Revised Total Coliform RuleMonitoringN/AN/AApr 30, 2025ResolvedN/A

Lead & Copper Levels

Violation Timeline

2025(116)

E. COLI

34

Jul 10Active

E. COLI

34

Jul 10Active

Chlorine

27

May 31Resolved

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

Apr 30Resolved

Revised Total Coliform Rule

3A

Apr 30Resolved

Revised Total Coliform Rule

3A

Apr 30Resolved

Revised Total Coliform Rule

4C

Apr 1Resolved

Revised Total Coliform Rule

4C

Apr 1Resolved

Revised Total Coliform Rule

4C

Apr 1Resolved

Atrazine

03

Mar 31Resolved

Diquat

03

Mar 31Resolved

Picloram

03

Mar 31Resolved

Atrazine

03

Mar 31Resolved

Atrazine

03

Mar 31Resolved

ETHYLENE DIBROMIDE

03

Mar 31Resolved

ETHYLENE DIBROMIDE

03

Mar 31Resolved

Picloram

03

Mar 31Resolved

Methoxychlor

03

Mar 31Resolved

Methoxychlor

03

Mar 31Resolved

Methoxychlor

03

Mar 31Resolved

Di(2-ethylhexyl) adipate

03

Mar 31Resolved

Di(2-ethylhexyl) adipate

03

Mar 31Resolved

Di(2-ethylhexyl) adipate

03

Mar 31Resolved

Endrin

03

Mar 31Resolved

Picloram

03

Mar 31Resolved

Endrin

03

Mar 31Resolved

Endrin

03

Mar 31Resolved

ETHYLENE DIBROMIDE

03

Mar 31Resolved

Diquat

03

Mar 31Resolved

Diquat

03

Mar 31Resolved

1,2-DIBROMO-3-CHLOROPROPANE

03

Mar 31Resolved

1,2-DIBROMO-3-CHLOROPROPANE

03

Mar 31Resolved

1,2-DIBROMO-3-CHLOROPROPANE

03

Mar 31Resolved

Total Polychlorinated Biphenyls (PCB)

03

Mar 31Resolved

Total Polychlorinated Biphenyls (PCB)

03

Mar 31Resolved

Total Polychlorinated Biphenyls (PCB)

03

Mar 31Resolved

Pentachlorophenol

03

Mar 31Resolved

Pentachlorophenol

03

Mar 31Resolved

Pentachlorophenol

03

Mar 31Resolved

Benzo(a)pyrene

03

Mar 31Resolved

Benzo(a)pyrene

03

Mar 31Resolved

Benzo(a)pyrene

03

Mar 31Resolved

2,4,5-TP

03

Mar 31Resolved

2,4,5-TP

03

Mar 31Resolved

2,4,5-TP

03

Mar 31Resolved

2,4-D

03

Mar 31Resolved

2,4-D

03

Mar 31Resolved

2,4-D

03

Mar 31Resolved

Heptachlor epoxide

03

Mar 31Resolved

Heptachlor epoxide

03

Mar 31Resolved

Heptachlor epoxide

03

Mar 31Resolved

Heptachlor

03

Mar 31Resolved

Heptachlor

03

Mar 31Resolved

Heptachlor

03

Mar 31Resolved

LASSO

03

Mar 31Resolved

LASSO

03

Mar 31Resolved

LASSO

03

Mar 31Resolved

Carbofuran

03

Mar 31Resolved

Carbofuran

03

Mar 31Resolved

Carbofuran

03

Mar 31Resolved

Hexachlorocyclopentadiene

03

Mar 31Resolved

Hexachlorocyclopentadiene

03

Mar 31Resolved

Hexachlorocyclopentadiene

03

Mar 31Resolved

Dinoseb

03

Mar 31Resolved

Dinoseb

03

Mar 31Resolved

Dinoseb

03

Mar 31Resolved

Di(2-ethylhexyl) phthalate

03

Mar 31Resolved

Di(2-ethylhexyl) phthalate

03

Mar 31Resolved

Di(2-ethylhexyl) phthalate

03

Mar 31Resolved

Endothall

03

Mar 31Resolved

Endothall

03

Mar 31Resolved

Endothall

03

Mar 31Resolved

Dalapon

03

Mar 31Resolved

Dalapon

03

Mar 31Resolved

Dalapon

03

Mar 31Resolved

Toxaphene

03

Mar 31Resolved

Toxaphene

03

Mar 31Resolved

Toxaphene

03

Mar 31Resolved

BHC-GAMMA

03

Mar 31Resolved

BHC-GAMMA

03

Mar 31Resolved

BHC-GAMMA

03

Mar 31Resolved

Chlordane

03

Mar 31Resolved

HEXACHLOROBENZENE

03

Mar 31Resolved

Chlordane

03

Mar 31Resolved

Chlordane

03

Mar 31Resolved

Simazine

03

Mar 31Resolved

Simazine

03

Mar 31Resolved

Simazine

03

Mar 31Resolved

HEXACHLOROBENZENE

03

Mar 31Resolved

HEXACHLOROBENZENE

03

Mar 31Resolved

OXAMYL

03

Mar 31Resolved

OXAMYL

03

Mar 31Resolved

Glyphosate

03

Mar 31Resolved

Glyphosate

03

Mar 31Resolved

Glyphosate

03

Mar 31Resolved

OXAMYL

03

Mar 31Resolved

Revised Total Coliform Rule

3A

Mar 31Resolved

Revised Total Coliform Rule

3A

Mar 31Resolved

Revised Total Coliform Rule

3A

Mar 31Resolved

Revised Total Coliform Rule

3A

Mar 31Resolved

Revised Total Coliform Rule

3A

Mar 31Resolved

Revised Total Coliform Rule

3A

Mar 31Resolved

Revised Total Coliform Rule

3A

Mar 31Resolved

Revised Total Coliform Rule

3A

Mar 31Resolved

Revised Total Coliform Rule

3A

Mar 31Resolved

Revised Total Coliform Rule

3A

Mar 31Resolved

Revised Total Coliform Rule

3B

Jan 31Resolved

Revised Total Coliform Rule

3B

Jan 31Resolved

Revised Total Coliform Rule

3B

Jan 31Resolved

E. COLI

34

Jan 2Active

E. COLI

34

Jan 2Active

2024(235)

Revised Total Coliform Rule

3B

Dec 31Resolved

Revised Total Coliform Rule

3B

Dec 31Resolved

Revised Total Coliform Rule

3B

Dec 31Resolved

Revised Total Coliform Rule

3B

Dec 31Resolved

Revised Total Coliform Rule

3B

Dec 31Resolved

Revised Total Coliform Rule

3A

Dec 31Resolved

Revised Total Coliform Rule

3A

Dec 31Resolved

Revised Total Coliform Rule

3A

Dec 31Resolved

Revised Total Coliform Rule

3A

Dec 31Resolved

Revised Total Coliform Rule

3A

Dec 31Resolved

Revised Total Coliform Rule

3B

Dec 31Resolved

Revised Total Coliform Rule

3B

Dec 31Resolved

Revised Total Coliform Rule

3B

Dec 31Resolved

Revised Total Coliform Rule

3B

Dec 31Resolved

Revised Total Coliform Rule

3B

Dec 31Resolved

E. COLI

34

Dec 30Active

E. COLI

34

Dec 30Active

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

E. COLI

34

Oct 14Active

E. COLI

34

Oct 14Active

HEXACHLOROBENZENE

03

Sep 30Resolved

Heptachlor epoxide

03

Sep 30Resolved

HEXACHLOROBENZENE

03

Sep 30Resolved

Heptachlor epoxide

03

Sep 30Resolved

Heptachlor epoxide

03

Sep 30Resolved

Heptachlor epoxide

03

Sep 30Resolved

Heptachlor

03

Sep 30Resolved

HEXACHLOROBENZENE

03

Sep 30Resolved

Methoxychlor

03

Sep 30Resolved

Methoxychlor

03

Sep 30Resolved

Methoxychlor

03

Sep 30Resolved

Methoxychlor

03

Sep 30Resolved

HEXACHLOROBENZENE

03

Sep 30Resolved

Heptachlor

03

Sep 30Resolved

Heptachlor

03

Sep 30Resolved

Heptachlor

03

Sep 30Resolved

BHC-GAMMA

03

Sep 30Resolved

BHC-GAMMA

03

Sep 30Resolved

BHC-GAMMA

03

Sep 30Resolved

BHC-GAMMA

03

Sep 30Resolved

Endrin

03

Sep 30Resolved

Endrin

03

Sep 30Resolved

Endrin

03

Sep 30Resolved

Endrin

03

Sep 30Resolved

Hexachlorocyclopentadiene

03

Sep 30Resolved

Hexachlorocyclopentadiene

03

Sep 30Resolved

Hexachlorocyclopentadiene

03

Sep 30Resolved

Hexachlorocyclopentadiene

03

Sep 30Resolved

Revised Total Coliform Rule

3A

Sep 30Resolved

Revised Total Coliform Rule

3A

Sep 30Resolved

Revised Total Coliform Rule

3B

Sep 30Resolved

Revised Total Coliform Rule

3B

Sep 30Resolved

Revised Total Coliform Rule

3B

Sep 30Resolved

Revised Total Coliform Rule

3A

Sep 30Resolved

Revised Total Coliform Rule

3A

Sep 30Resolved

Revised Total Coliform Rule

3A

Sep 30Resolved

Revised Total Coliform Rule

3A

Sep 30Resolved

Revised Total Coliform Rule

3A

Sep 30Resolved

Revised Total Coliform Rule

3A

Sep 30Resolved

E. COLI

34

Sep 17Active

E. COLI

34

Sep 17Active

E. COLI

34

Sep 17Active

Revised Total Coliform Rule

3A

Aug 31Resolved

Revised Total Coliform Rule

3A

Aug 31Resolved

Revised Total Coliform Rule

3A

Aug 31Resolved

Chlorine

27

Aug 31Resolved

Chlorine

27

Aug 31Resolved

Chlorine

27

Aug 31Resolved

Chlorine

27

Aug 31Resolved

Revised Total Coliform Rule

3A

Aug 31Resolved

Revised Total Coliform Rule

3A

Aug 31Resolved

Revised Total Coliform Rule

3A

Aug 31Resolved

Revised Total Coliform Rule

3A

Jul 31Resolved

Revised Total Coliform Rule

3A

Jul 31Resolved

Revised Total Coliform Rule

3A

Jul 31Resolved

E. COLI

34

Jul 12Active

E. COLI

34

Jul 12Active

Heptachlor epoxide

03

Jun 30Resolved

Heptachlor epoxide

03

Jun 30Resolved

Heptachlor epoxide

03

Jun 30Resolved

Heptachlor epoxide

03

Jun 30Resolved

HEXACHLOROBENZENE

03

Jun 30Resolved

HEXACHLOROBENZENE

03

Jun 30Resolved

HEXACHLOROBENZENE

03

Jun 30Resolved

HEXACHLOROBENZENE

03

Jun 30Resolved

Heptachlor

03

Jun 30Resolved

Heptachlor

03

Jun 30Resolved

Heptachlor

03

Jun 30Resolved

Heptachlor

03

Jun 30Resolved

BHC-GAMMA

03

Jun 30Resolved

BHC-GAMMA

03

Jun 30Resolved

BHC-GAMMA

03

Jun 30Resolved

BHC-GAMMA

03

Jun 30Resolved

Endrin

03

Jun 30Resolved

Endrin

03

Jun 30Resolved

Endrin

03

Jun 30Resolved

Endrin

03

Jun 30Resolved

Methoxychlor

03

Jun 30Resolved

Methoxychlor

03

Jun 30Resolved

Methoxychlor

03

Jun 30Resolved

Methoxychlor

03

Jun 30Resolved

Revised Total Coliform Rule

3A

Jun 30Resolved

Revised Total Coliform Rule

3A

Jun 30Resolved

Revised Total Coliform Rule

3A

Jun 30Resolved

Revised Total Coliform Rule

3A

Jun 30Resolved

Revised Total Coliform Rule

3A

Jun 30Resolved

Revised Total Coliform Rule

3A

Jun 30Resolved

Revised Total Coliform Rule

3A

Jun 30Resolved

Revised Total Coliform Rule

3A

Jun 30Resolved

Revised Total Coliform Rule

3B

Jun 30Resolved

Revised Total Coliform Rule

3B

Jun 30Resolved

Revised Total Coliform Rule

3B

Jun 30Resolved

Atrazine

03

Jun 30Resolved

LASSO

03

Jun 30Resolved

Atrazine

03

Jun 30Resolved

Pentachlorophenol

03

Jun 30Resolved

Pentachlorophenol

03

Jun 30Resolved

Pentachlorophenol

03

Jun 30Resolved

BHC-GAMMA

03

Jun 30Resolved

BHC-GAMMA

03

Jun 30Resolved

BHC-GAMMA

03

Jun 30Resolved

Endothall

03

Jun 30Resolved

Endothall

03

Jun 30Resolved

Endothall

03

Jun 30Resolved

1,2-DIBROMO-3-CHLOROPROPANE

03

Jun 30Resolved

1,2-DIBROMO-3-CHLOROPROPANE

03

Jun 30Resolved

1,2-DIBROMO-3-CHLOROPROPANE

03

Jun 30Resolved

Endrin

03

Jun 30Resolved

Endrin

03

Jun 30Resolved

Endrin

03

Jun 30Resolved

Methoxychlor

03

Jun 30Resolved

Methoxychlor

03

Jun 30Resolved

Methoxychlor

03

Jun 30Resolved

Toxaphene

03

Jun 30Resolved

Atrazine

03

Jun 30Resolved

Toxaphene

03

Jun 30Resolved

Glyphosate

03

Jun 30Resolved

Glyphosate

03

Jun 30Resolved

Glyphosate

03

Jun 30Resolved

Di(2-ethylhexyl) adipate

03

Jun 30Resolved

Di(2-ethylhexyl) adipate

03

Jun 30Resolved

Di(2-ethylhexyl) adipate

03

Jun 30Resolved

OXAMYL

03

Jun 30Resolved

OXAMYL

03

Jun 30Resolved

OXAMYL

03

Jun 30Resolved

Di(2-ethylhexyl) phthalate

03

Jun 30Resolved

Di(2-ethylhexyl) phthalate

03

Jun 30Resolved

Di(2-ethylhexyl) phthalate

03

Jun 30Resolved

Picloram

03

Jun 30Resolved

Picloram

03

Jun 30Resolved

Picloram

03

Jun 30Resolved

Dinoseb

03

Jun 30Resolved

Dinoseb

03

Jun 30Resolved

Dinoseb

03

Jun 30Resolved

Carbofuran

03

Jun 30Resolved

Carbofuran

03

Jun 30Resolved

Carbofuran

03

Jun 30Resolved

Heptachlor epoxide

03

Jun 30Resolved

Heptachlor epoxide

03

Jun 30Resolved

Heptachlor epoxide

03

Jun 30Resolved

2,4,5-TP

03

Jun 30Resolved

2,4,5-TP

03

Jun 30Resolved

2,4,5-TP

03

Jun 30Resolved

HEXACHLOROBENZENE

03

Jun 30Resolved

HEXACHLOROBENZENE

03

Jun 30Resolved

HEXACHLOROBENZENE

03

Jun 30Resolved

Total Polychlorinated Biphenyls (PCB)

03

Jun 30Resolved

Total Polychlorinated Biphenyls (PCB)

03

Jun 30Resolved

Total Polychlorinated Biphenyls (PCB)

03

Jun 30Resolved

ETHYLENE DIBROMIDE

03

Jun 30Resolved

ETHYLENE DIBROMIDE

03

Jun 30Resolved

ETHYLENE DIBROMIDE

03

Jun 30Resolved

Chlordane

03

Jun 30Resolved

Chlordane

03

Jun 30Resolved

Chlordane

03

Jun 30Resolved

2,4-D

03

Jun 30Resolved

2,4-D

03

Jun 30Resolved

2,4-D

03

Jun 30Resolved

Dalapon

03

Jun 30Resolved

LASSO

03

Jun 30Resolved

LASSO

03

Jun 30Resolved

Benzo(a)pyrene

03

Jun 30Resolved

Benzo(a)pyrene

03

Jun 30Resolved

Benzo(a)pyrene

03

Jun 30Resolved

Simazine

03

Jun 30Resolved

Simazine

03

Jun 30Resolved

Simazine

03

Jun 30Resolved

Diquat

03

Jun 30Resolved

Diquat

03

Jun 30Resolved

Diquat

03

Jun 30Resolved

Heptachlor

03

Jun 30Resolved

Heptachlor

03

Jun 30Resolved

Heptachlor

03

Jun 30Resolved

Hexachlorocyclopentadiene

03

Jun 30Resolved

Hexachlorocyclopentadiene

03

Jun 30Resolved

Hexachlorocyclopentadiene

03

Jun 30Resolved

Dalapon

03

Jun 30Resolved

Dalapon

03

Jun 30Resolved

Toxaphene

03

Jun 30Resolved

E. COLI

34

Jun 19Active

E. COLI

34

Jun 19Active

E. COLI

34

Jun 19Active

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

2D

Apr 1Resolved

Revised Total Coliform Rule

2D

Apr 1Resolved

Revised Total Coliform Rule

2D

Apr 1Resolved

Carbofuran

03

Mar 31Resolved

Carbofuran

03

Mar 31Resolved

Carbofuran

03

Mar 31Resolved

Carbofuran

03

Mar 31Resolved

Glyphosate

03

Mar 31Resolved

Glyphosate

03

Mar 31Resolved

Glyphosate

03

Mar 31Resolved

Glyphosate

03

Mar 31Resolved

OXAMYL

03

Mar 31Resolved

OXAMYL

03

Mar 31Resolved

OXAMYL

03

Mar 31Resolved

OXAMYL

03

Mar 31Resolved

Revised Total Coliform Rule

3A

Mar 31Resolved

Revised Total Coliform Rule

3A

Mar 31Resolved

Revised Total Coliform Rule

3A

Mar 31Resolved

Revised Total Coliform Rule

3A

Mar 31Resolved

Revised Total Coliform Rule

3A

Mar 31Resolved

Revised Total Coliform Rule

3A

Mar 31Resolved

Revised Total Coliform Rule

3A

Mar 31Resolved

Revised Total Coliform Rule

3A

Mar 31Resolved

Revised Total Coliform Rule

3A

Mar 31Resolved

Revised Total Coliform Rule

3A

Mar 31Resolved

Revised Total Coliform Rule

3A

Mar 31Resolved

Revised Total Coliform Rule

3A

Mar 31Resolved

How Does This Compare?

CHOCTAW (73020) has 629 recorded violations, including 5 health-based. 22 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 →

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

Check Another ZIP Code