Water Quality in LEAGUE CITY, TX (77573)

EPA violation data for public water systems serving ZIP code 77573.

278

Total Violations

53

Health-Based

225

Monitoring / Reporting

277

Resolved

What does this mean?

277 of 278 violations have been resolved. 53 are health-based violations, meaning contaminant levels exceeded federal safety limits. The remaining 225 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: 17 Population served: 132,997

Violations Detail (278 total)

ContaminantCategoryMCL LimitMeasuredDateStatusHealth Effects
ArsenicHealth-BasedN/A0.011Jun 30, 2025ResolvedSkin damage; circulatory system problems; increased risk of cancer
Public NoticeMonitoringN/AN/AMay 14, 2025ActiveN/A
Public NoticeMonitoringN/AN/AApr 30, 2025ResolvedN/A
Public NoticeMonitoringN/AN/AApr 30, 2025ResolvedN/A
Lead and Copper RuleMonitoringN/AN/AMar 31, 2025ResolvedN/A
Lead and Copper RuleMonitoringN/AN/AMar 31, 2025ResolvedN/A
Lead and Copper RuleMonitoringN/AN/AMar 31, 2025ResolvedN/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, 2024ResolvedN/A

Lead & Copper Levels

Violation Timeline

2025(7)

Arsenic

02

Jun 30Resolved

Public Notice

75

May 14Active

Public Notice

75

Apr 30Resolved

Public Notice

75

Apr 30Resolved

Lead and Copper Rule

66

Mar 31Resolved

Lead and Copper Rule

66

Mar 31Resolved

Lead and Copper Rule

66

Mar 31Resolved

2024(96)

LEAD AND COPPER RULE REVISIONS

2E

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 16Resolved

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 16Resolved

LEAD AND COPPER RULE REVISIONS

2E

Oct 16Resolved

LEAD AND COPPER RULE REVISIONS

2E

Oct 16Resolved

LEAD AND COPPER RULE REVISIONS

4G

Oct 16Resolved

LEAD AND COPPER RULE REVISIONS

4G

Oct 16Resolved

LEAD AND COPPER RULE REVISIONS

4G

Oct 16Resolved

LEAD AND COPPER RULE REVISIONS

4G

Oct 16Resolved

LEAD AND COPPER RULE REVISIONS

4G

Oct 16Resolved

TTHM

27

Sep 30Resolved

Total Haloacetic Acids (HAA5)

27

Sep 30Resolved

Total Haloacetic Acids (HAA5)

27

Sep 30Resolved

Total Haloacetic Acids (HAA5)

27

Sep 30Resolved

TTHM

27

Sep 30Resolved

TTHM

27

Sep 30Resolved

Arsenic

03

Sep 30Resolved

Arsenic

03

Sep 30Resolved

Arsenic

03

Sep 30Resolved

LASSO

03

Sep 30Resolved

LASSO

03

Sep 30Resolved

BHC-GAMMA

03

Sep 30Resolved

BHC-GAMMA

03

Sep 30Resolved

Chlordane

03

Sep 30Resolved

Heptachlor epoxide

03

Sep 30Resolved

Heptachlor

03

Sep 30Resolved

Heptachlor

03

Sep 30Resolved

HEXACHLOROBENZENE

03

Sep 30Resolved

HEXACHLOROBENZENE

03

Sep 30Resolved

Benzo(a)pyrene

03

Sep 30Resolved

Atrazine

03

Sep 30Resolved

Endrin

03

Sep 30Resolved

Endrin

03

Sep 30Resolved

Methoxychlor

03

Sep 30Resolved

Methoxychlor

03

Sep 30Resolved

Toxaphene

03

Sep 30Resolved

Toxaphene

03

Sep 30Resolved

Di(2-ethylhexyl) adipate

03

Sep 30Resolved

Di(2-ethylhexyl) adipate

03

Sep 30Resolved

Simazine

03

Sep 30Resolved

Simazine

03

Sep 30Resolved

Di(2-ethylhexyl) phthalate

03

Sep 30Resolved

Di(2-ethylhexyl) phthalate

03

Sep 30Resolved

Hexachlorocyclopentadiene

03

Sep 30Resolved

Hexachlorocyclopentadiene

03

Sep 30Resolved

Atrazine

03

Sep 30Resolved

Heptachlor epoxide

03

Sep 30Resolved

Pentachlorophenol

03

Sep 30Resolved

Pentachlorophenol

03

Sep 30Resolved

Chlordane

03

Sep 30Resolved

Benzo(a)pyrene

03

Sep 30Resolved

E. COLI

34

Jul 31Resolved

E. COLI

34

Jul 31Resolved

E. COLI

34

Jul 31Resolved

Consumer Confidence Rule

72

Jul 1Resolved

Consumer Confidence Rule

72

Jul 1Resolved

Hexachlorocyclopentadiene

03

Jun 30Resolved

Hexachlorocyclopentadiene

03

Jun 30Resolved

Pentachlorophenol

03

Jun 30Resolved

Pentachlorophenol

03

Jun 30Resolved

Endrin

03

Jun 30Resolved

Endrin

03

Jun 30Resolved

Simazine

03

Jun 30Resolved

Simazine

03

Jun 30Resolved

Heptachlor

03

Jun 30Resolved

Heptachlor

03

Jun 30Resolved

Methoxychlor

03

Jun 30Resolved

Methoxychlor

03

Jun 30Resolved

Atrazine

03

Jun 30Resolved

Atrazine

03

Jun 30Resolved

HEXACHLOROBENZENE

03

Jun 30Resolved

Heptachlor epoxide

03

Jun 30Resolved

BHC-GAMMA

03

Jun 30Resolved

Toxaphene

03

Jun 30Resolved

Di(2-ethylhexyl) phthalate

03

Jun 30Resolved

LASSO

03

Jun 30Resolved

HEXACHLOROBENZENE

03

Jun 30Resolved

Chlordane

03

Jun 30Resolved

Chlordane

03

Jun 30Resolved

Benzo(a)pyrene

03

Jun 30Resolved

Benzo(a)pyrene

03

Jun 30Resolved

Heptachlor epoxide

03

Jun 30Resolved

LASSO

03

Jun 30Resolved

Di(2-ethylhexyl) adipate

03

Jun 30Resolved

Toxaphene

03

Jun 30Resolved

Di(2-ethylhexyl) adipate

03

Jun 30Resolved

Di(2-ethylhexyl) phthalate

03

Jun 30Resolved

BHC-GAMMA

03

Jun 30Resolved

Public Notice

75

Feb 16Resolved

Public Notice

75

Feb 16Resolved

How Does This Compare?

LEAGUE CITY (77573) has 278 recorded violations, including 53 health-based. 1 remains 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.

Nearby ZIP Codes

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