Water Quality in MCALESTER, OK (74502)

EPA violation data for public water systems serving ZIP code 74502.

202

Total Violations

56

Health-Based

146

Monitoring / Reporting

193

Resolved

What does this mean?

193 of 202 violations have been resolved. 56 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: 5,770

Violations Detail (202 total)

ContaminantCategoryMCL LimitMeasuredDateStatusHealth Effects
Total Haloacetic Acids (HAA5)Health-BasedN/A0.067Jun 30, 2025ResolvedN/A
Total Haloacetic Acids (HAA5)Health-BasedN/A0.061Jun 30, 2025ResolvedN/A
Consumer Confidence RuleMonitoringN/AN/AJun 30, 2025ActiveN/A
Total Haloacetic Acids (HAA5)MonitoringN/AN/AJun 29, 2025ResolvedN/A
Total Haloacetic Acids (HAA5)MonitoringN/AN/AJun 29, 2025ResolvedN/A
Interim Enhanced Surface Water Treatment RuleMonitoringN/AN/AMay 31, 2025ResolvedN/A
Interim Enhanced Surface Water Treatment RuleMonitoringN/AN/AMay 31, 2025ResolvedN/A
TTHMMonitoringN/AN/AMar 31, 2025ActiveN/A
Total Haloacetic Acids (HAA5)Health-BasedN/A0.066Mar 31, 2025ResolvedN/A
Total Haloacetic Acids (HAA5)Health-BasedN/A0.066Mar 31, 2025ResolvedN/A

Lead & Copper Levels

Violation Timeline

2025(16)

Total Haloacetic Acids (HAA5)

02

Jun 30Resolved

Total Haloacetic Acids (HAA5)

02

Jun 30Resolved

Consumer Confidence Rule

71

Jun 30Active

Total Haloacetic Acids (HAA5)

35

Jun 29Resolved

Total Haloacetic Acids (HAA5)

35

Jun 29Resolved

Interim Enhanced Surface Water Treatment Rule

38

May 31Resolved

Interim Enhanced Surface Water Treatment Rule

38

May 31Resolved

TTHM

35

Mar 31Active

Total Haloacetic Acids (HAA5)

02

Mar 31Resolved

Total Haloacetic Acids (HAA5)

02

Mar 31Resolved

TTHM

35

Mar 31Active

TTHM

35

Mar 31Active

Interim Enhanced Surface Water Treatment Rule

38

Mar 31Resolved

Interim Enhanced Surface Water Treatment Rule

38

Mar 31Resolved

Interim Enhanced Surface Water Treatment Rule

38

Feb 28Resolved

Interim Enhanced Surface Water Treatment Rule

38

Feb 28Resolved

2024(98)

TTHM

02

Dec 31Resolved

TTHM

02

Dec 31Resolved

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

Lead and Copper Rule

52

Sep 30Active

Lead and Copper Rule

52

Sep 30Active

Lead and Copper Rule

52

Sep 30Active

Hexachlorocyclopentadiene

03

Jun 30Resolved

Atrazine

03

Jun 30Resolved

Hexachlorocyclopentadiene

03

Jun 30Resolved

Total Polychlorinated Biphenyls (PCB)

03

Jun 30Resolved

Total Polychlorinated Biphenyls (PCB)

03

Jun 30Resolved

Total Polychlorinated Biphenyls (PCB)

03

Jun 30Resolved

Heptachlor

03

Jun 30Resolved

Heptachlor

03

Jun 30Resolved

Hexachlorocyclopentadiene

03

Jun 30Resolved

Heptachlor

03

Jun 30Resolved

Atrazine

03

Jun 30Resolved

Atrazine

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

Dalapon

03

Jun 30Resolved

Dalapon

03

Jun 30Resolved

Dalapon

03

Jun 30Resolved

Diquat

03

Jun 30Resolved

Diquat

03

Jun 30Resolved

Diquat

03

Jun 30Resolved

OXAMYL

03

Jun 30Resolved

OXAMYL

03

Jun 30Resolved

OXAMYL

03

Jun 30Resolved

Simazine

03

Jun 30Resolved

Simazine

03

Jun 30Resolved

Simazine

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

2,4-D

03

Jun 30Resolved

2,4-D

03

Jun 30Resolved

2,4-D

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

Benzo(a)pyrene

03

Jun 30Resolved

Benzo(a)pyrene

03

Jun 30Resolved

Benzo(a)pyrene

03

Jun 30Resolved

ETHYLENE DIBROMIDE

03

Jun 30Resolved

ETHYLENE DIBROMIDE

03

Jun 30Resolved

ETHYLENE DIBROMIDE

03

Jun 30Resolved

Heptachlor epoxide

03

Jun 30Resolved

BHC-GAMMA

03

Jun 30Resolved

Chlordane

03

Jun 30Resolved

Chlordane

03

Jun 30Resolved

Toxaphene

03

Jun 30Resolved

Pentachlorophenol

03

Jun 30Resolved

Pentachlorophenol

03

Jun 30Resolved

Pentachlorophenol

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

Endothall

03

Jun 30Resolved

Endothall

03

Jun 30Resolved

Endothall

03

Jun 30Resolved

Toxaphene

03

Jun 30Resolved

Toxaphene

03

Jun 30Resolved

LASSO

03

Jun 30Resolved

LASSO

03

Jun 30Resolved

LASSO

03

Jun 30Resolved

Carbofuran

03

Jun 30Resolved

Carbofuran

03

Jun 30Resolved

Carbofuran

03

Jun 30Resolved

BHC-GAMMA

03

Jun 30Resolved

Heptachlor epoxide

03

Jun 30Resolved

Heptachlor epoxide

03

Jun 30Resolved

Glyphosate

03

Jun 30Resolved

Glyphosate

03

Jun 30Resolved

Chlordane

03

Jun 30Resolved

Di(2-ethylhexyl) adipate

03

Jun 30Resolved

Di(2-ethylhexyl) adipate

03

Jun 30Resolved

Di(2-ethylhexyl) adipate

03

Jun 30Resolved

BHC-GAMMA

03

Jun 30Resolved

Glyphosate

03

Jun 30Resolved

How Does This Compare?

MCALESTER (74502) has 202 recorded violations, including 56 health-based. 9 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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