Water Quality in SUGAR LAND, TX (77479)

EPA violation data for public water systems serving ZIP code 77479.

736

Total Violations

20

Health-Based

716

Monitoring / Reporting

690

Resolved

What does this mean?

690 of 736 violations have been resolved. 20 are health-based violations, meaning contaminant levels exceeded federal safety limits. The remaining 716 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: 40 Population served: 8,575

Violations Detail (736 total)

ContaminantCategoryMCL LimitMeasuredDateStatusHealth Effects
Public NoticeMonitoringN/AN/ASep 12, 2025ActiveN/A
Public NoticeMonitoringN/AN/ASep 6, 2025ActiveN/A
Public NoticeMonitoringN/AN/ASep 6, 2025ActiveN/A
Public NoticeMonitoringN/AN/ASep 6, 2025ActiveN/A
Revised Total Coliform RuleMonitoringN/AN/AAug 31, 2025ResolvedN/A
Revised Total Coliform RuleMonitoringN/AN/AAug 31, 2025ResolvedN/A
Revised Total Coliform RuleMonitoringN/AN/AAug 31, 2025ResolvedN/A
Public NoticeMonitoringN/AN/AAug 2, 2025ActiveN/A
Public NoticeMonitoringN/AN/AAug 2, 2025ActiveN/A
Public NoticeMonitoringN/AN/AAug 2, 2025ActiveN/A

Lead & Copper Levels

Violation Timeline

2025(94)

Public Notice

75

Sep 12Active

Public Notice

75

Sep 6Active

Public Notice

75

Sep 6Active

Public Notice

75

Sep 6Active

Revised Total Coliform Rule

3A

Aug 31Resolved

Revised Total Coliform Rule

3A

Aug 31Resolved

Revised Total Coliform Rule

3A

Aug 31Resolved

Public Notice

75

Aug 2Active

Public Notice

75

Aug 2Active

Public Notice

75

Aug 2Active

Revised Total Coliform Rule

3A

Jul 31Resolved

Revised Total Coliform Rule

3A

Jul 31Resolved

Revised Total Coliform Rule

3A

Jul 31Resolved

Revised Total Coliform Rule

3A

Jul 31Resolved

Revised Total Coliform Rule

3A

Jul 31Resolved

Public Notice

75

Jul 23Active

Public Notice

75

Jul 2Active

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

Lead and Copper Rule

51

Jun 30Active

Lead and Copper Rule

51

Jun 30Active

E. COLI

34

Jun 24Resolved

E. COLI

34

Jun 23Resolved

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

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

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

Public Notice

75

May 29Active

Public Notice

75

May 29Active

Public Notice

75

Apr 30Active

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

3A

Apr 30Resolved

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

3A

Apr 30Resolved

Revised Total Coliform Rule

3A

Apr 30Resolved

Revised Total Coliform Rule

3A

Apr 30Resolved

Public Notice

75

Apr 27Resolved

Public Notice

75

Apr 27Resolved

Public Notice

75

Apr 27Active

Public Notice

76

Apr 27Active

Public Notice

75

Apr 27Active

Public Notice

75

Apr 26Active

Public Notice

75

Apr 2Active

Chlorine

27

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

Public Notice

75

Mar 5Active

Public Notice

75

Mar 5Active

Public Notice

75

Mar 5Resolved

Public Notice

75

Mar 5Resolved

Revised Total Coliform Rule

3A

Feb 28Resolved

Revised Total Coliform Rule

3A

Feb 28Resolved

Revised Total Coliform Rule

3A

Feb 28Resolved

Revised Total Coliform Rule

3A

Feb 28Resolved

Revised Total Coliform Rule

3A

Feb 28Resolved

Revised Total Coliform Rule

3A

Feb 28Resolved

Revised Total Coliform Rule

3A

Feb 28Resolved

Revised Total Coliform Rule

3A

Feb 28Resolved

Revised Total Coliform Rule

3A

Feb 28Resolved

Public Notice

75

Feb 5Active

Public Notice

75

Feb 5Resolved

Public Notice

75

Feb 5Resolved

Revised Total Coliform Rule

3A

Jan 31Resolved

Revised Total Coliform Rule

3A

Jan 31Resolved

Revised Total Coliform Rule

3A

Jan 31Resolved

Revised Total Coliform Rule

3A

Jan 31Resolved

Revised Total Coliform Rule

3A

Jan 31Resolved

Revised Total Coliform Rule

3A

Jan 31Resolved

Revised Total Coliform Rule

3A

Jan 31Resolved

Revised Total Coliform Rule

3A

Jan 31Resolved

Revised Total Coliform Rule

3A

Jan 31Resolved

Revised Total Coliform Rule

3A

Jan 31Resolved

Public Notice

75

Jan 29Resolved

Public Notice

75

Jan 29Resolved

2024(261)

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

3A

Dec 31Resolved

Revised Total Coliform Rule

3A

Dec 31Resolved

Revised Total Coliform Rule

3A

Dec 31Resolved

Revised Total Coliform Rule

3A

Dec 31Resolved

Lead and Copper Rule

66

Dec 29Resolved

Lead and Copper Rule

66

Dec 29Resolved

Revised Total Coliform Rule

3A

Nov 30Resolved

Revised Total Coliform Rule

3A

Nov 30Resolved

Revised Total Coliform Rule

3A

Nov 30Resolved

Revised Total Coliform Rule

3A

Nov 30Resolved

Revised Total Coliform Rule

3A

Nov 30Resolved

Revised Total Coliform Rule

3A

Nov 30Resolved

Public Notice

75

Nov 30Active

Revised Total Coliform Rule

3A

Nov 30Resolved

Revised Total Coliform Rule

3A

Nov 30Resolved

Revised Total Coliform Rule

3A

Nov 30Resolved

Public Notice

75

Nov 18Active

Revised Total Coliform Rule

2A

Nov 15Active

Revised Total Coliform Rule

2A

Nov 15Active

Revised Total Coliform Rule

2A

Nov 15Active

Revised Total Coliform Rule

3A

Oct 31Resolved

Revised Total Coliform Rule

3A

Oct 31Resolved

Revised Total Coliform Rule

3A

Oct 31Resolved

Public Notice

75

Oct 31Active

Revised Total Coliform Rule

3A

Oct 31Resolved

Revised Total Coliform Rule

3A

Oct 31Resolved

Revised Total Coliform Rule

3A

Oct 31Resolved

Revised Total Coliform Rule

3A

Oct 31Resolved

Revised Total Coliform Rule

3A

Oct 31Resolved

Revised Total Coliform Rule

3A

Oct 31Resolved

LEAD AND COPPER RULE REVISIONS

4G

Oct 16Active

LEAD AND COPPER RULE REVISIONS

2E

Oct 16Active

LEAD AND COPPER RULE REVISIONS

2E

Oct 16Active

LEAD AND COPPER RULE REVISIONS

4G

Oct 16Active

CHLOROBENZENE

03

Sep 30Resolved

CHLOROBENZENE

03

Sep 30Resolved

CHLOROBENZENE

03

Sep 30Resolved

Carbon tetrachloride

03

Sep 30Resolved

Carbon tetrachloride

03

Sep 30Resolved

Carbon tetrachloride

03

Sep 30Resolved

Trichloroethylene

03

Sep 30Resolved

Trichloroethylene

03

Sep 30Resolved

Trichloroethylene

03

Sep 30Resolved

Tetrachloroethylene

03

Sep 30Resolved

Tetrachloroethylene

03

Sep 30Resolved

Tetrachloroethylene

03

Sep 30Resolved

cis-1,2-Dichloroethylene

03

Sep 30Resolved

cis-1,2-Dichloroethylene

03

Sep 30Resolved

cis-1,2-Dichloroethylene

03

Sep 30Resolved

o-Dichlorobenzene

03

Sep 30Resolved

o-Dichlorobenzene

03

Sep 30Resolved

o-Dichlorobenzene

03

Sep 30Resolved

1,1-Dichloroethylene

03

Sep 30Resolved

1,1-Dichloroethylene

03

Sep 30Resolved

1,1-Dichloroethylene

03

Sep 30Resolved

trans-1,2-Dichloroethylene

03

Sep 30Resolved

trans-1,2-Dichloroethylene

03

Sep 30Resolved

trans-1,2-Dichloroethylene

03

Sep 30Resolved

1,1,1-Trichloroethane

03

Sep 30Resolved

1,1,1-Trichloroethane

03

Sep 30Resolved

1,1,1-Trichloroethane

03

Sep 30Resolved

1,1,2-Trichloroethane

03

Sep 30Resolved

1,1,2-Trichloroethane

03

Sep 30Resolved

1,1,2-Trichloroethane

03

Sep 30Resolved

Ethylbenzene

03

Sep 30Resolved

Ethylbenzene

03

Sep 30Resolved

Ethylbenzene

03

Sep 30Resolved

Styrene

03

Sep 30Resolved

Styrene

03

Sep 30Resolved

Styrene

03

Sep 30Resolved

Benzene

03

Sep 30Resolved

1,2-Dichloroethane

03

Sep 30Resolved

1,2,4-Trichlorobenzene

03

Sep 30Resolved

1,2,4-Trichlorobenzene

03

Sep 30Resolved

Xylenes, Total

03

Sep 30Resolved

Xylenes, Total

03

Sep 30Resolved

Xylenes, Total

03

Sep 30Resolved

Benzene

03

Sep 30Resolved

Vinyl chloride

03

Sep 30Resolved

Revised Total Coliform Rule

3A

Sep 30Resolved

Revised Total Coliform Rule

3A

Sep 30Resolved

1,2-Dichloropropane

03

Sep 30Resolved

1,2-Dichloropropane

03

Sep 30Resolved

Toluene

03

Sep 30Resolved

Toluene

03

Sep 30Resolved

Toluene

03

Sep 30Resolved

1,2,4-Trichlorobenzene

03

Sep 30Resolved

1,2-Dichloropropane

03

Sep 30Resolved

DICHLOROMETHANE

03

Sep 30Resolved

DICHLOROMETHANE

03

Sep 30Resolved

DICHLOROMETHANE

03

Sep 30Resolved

Revised Total Coliform Rule

3A

Sep 30Resolved

1,2-Dichloroethane

03

Sep 30Resolved

Vinyl chloride

03

Sep 30Resolved

1,2-Dichloroethane

03

Sep 30Resolved

p-Dichlorobenzene

03

Sep 30Resolved

p-Dichlorobenzene

03

Sep 30Resolved

p-Dichlorobenzene

03

Sep 30Resolved

Vinyl chloride

03

Sep 30Resolved

Benzene

03

Sep 30Resolved

Revised Total Coliform Rule

3A

Sep 30Resolved

Revised Total Coliform Rule

3A

Sep 30Resolved

Revised Total Coliform Rule

3A

Sep 30Resolved

Nitrate

03

Sep 30Resolved

Nitrate

03

Sep 30Resolved

Nitrate

03

Sep 30Resolved

Revised Total Coliform Rule

3A

Sep 30Resolved

Revised Total Coliform Rule

3A

Sep 30Resolved

Public Notice

75

Sep 30Active

Revised Total Coliform Rule

3A

Sep 30Resolved

Revised Total Coliform Rule

3A

Aug 31Resolved

Revised Total Coliform Rule

3A

Aug 31Resolved

Revised Total Coliform Rule

3A

Aug 31Resolved

Public Notice

75

Aug 31Active

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

Revised Total Coliform Rule

3A

Jul 31Resolved

Revised Total Coliform Rule

3A

Jul 31Resolved

Revised Total Coliform Rule

3A

Jul 31Resolved

Revised Total Coliform Rule

3A

Jul 31Resolved

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

cis-1,2-Dichloroethylene

03

Jun 30Resolved

cis-1,2-Dichloroethylene

03

Jun 30Resolved

cis-1,2-Dichloroethylene

03

Jun 30Resolved

Xylenes, Total

03

Jun 30Resolved

Xylenes, Total

03

Jun 30Resolved

Xylenes, Total

03

Jun 30Resolved

DICHLOROMETHANE

03

Jun 30Resolved

DICHLOROMETHANE

03

Jun 30Resolved

DICHLOROMETHANE

03

Jun 30Resolved

o-Dichlorobenzene

03

Jun 30Resolved

o-Dichlorobenzene

03

Jun 30Resolved

o-Dichlorobenzene

03

Jun 30Resolved

p-Dichlorobenzene

03

Jun 30Resolved

p-Dichlorobenzene

03

Jun 30Resolved

p-Dichlorobenzene

03

Jun 30Resolved

1,1-Dichloroethylene

03

Jun 30Resolved

1,1-Dichloroethylene

03

Jun 30Resolved

1,1-Dichloroethylene

03

Jun 30Resolved

trans-1,2-Dichloroethylene

03

Jun 30Resolved

trans-1,2-Dichloroethylene

03

Jun 30Resolved

trans-1,2-Dichloroethylene

03

Jun 30Resolved

1,2-Dichloroethane

03

Jun 30Resolved

1,2-Dichloroethane

03

Jun 30Resolved

1,2-Dichloroethane

03

Jun 30Resolved

1,1,1-Trichloroethane

03

Jun 30Resolved

1,1,1-Trichloroethane

03

Jun 30Resolved

1,1,1-Trichloroethane

03

Jun 30Resolved

1,2-Dichloropropane

03

Jun 30Resolved

1,2-Dichloropropane

03

Jun 30Resolved

1,2-Dichloropropane

03

Jun 30Resolved

CHLOROBENZENE

03

Jun 30Resolved

CHLOROBENZENE

03

Jun 30Resolved

CHLOROBENZENE

03

Jun 30Resolved

Benzene

03

Jun 30Resolved

Carbon tetrachloride

03

Jun 30Resolved

1,2,4-Trichlorobenzene

03

Jun 30Resolved

1,2,4-Trichlorobenzene

03

Jun 30Resolved

Toluene

03

Jun 30Resolved

Toluene

03

Jun 30Resolved

Toluene

03

Jun 30Resolved

Ethylbenzene

03

Jun 30Resolved

Ethylbenzene

03

Jun 30Resolved

Ethylbenzene

03

Jun 30Resolved

Styrene

03

Jun 30Resolved

Styrene

03

Jun 30Resolved

1,1,2-Trichloroethane

03

Jun 30Resolved

Carbon tetrachloride

03

Jun 30Resolved

Carbon tetrachloride

03

Jun 30Resolved

Styrene

03

Jun 30Resolved

1,1,2-Trichloroethane

03

Jun 30Resolved

1,1,2-Trichloroethane

03

Jun 30Resolved

Benzene

03

Jun 30Resolved

Benzene

03

Jun 30Resolved

Vinyl chloride

03

Jun 30Resolved

Vinyl chloride

03

Jun 30Resolved

Vinyl chloride

03

Jun 30Resolved

Trichloroethylene

03

Jun 30Resolved

Tetrachloroethylene

03

Jun 30Resolved

Tetrachloroethylene

03

Jun 30Resolved

Tetrachloroethylene

03

Jun 30Resolved

Trichloroethylene

03

Jun 30Resolved

Trichloroethylene

03

Jun 30Resolved

1,2,4-Trichlorobenzene

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

Nitrate

03

Jun 30Resolved

Nitrate

03

Jun 30Resolved

Nitrate

03

Jun 30Resolved

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

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

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

3A

Mar 31Resolved

Revised Total Coliform Rule

3A

Mar 31Resolved

Revised Total Coliform Rule

3A

Mar 31Resolved

Nitrate

01

Mar 31Resolved

Revised Total Coliform Rule

3A

Mar 31Resolved

Nitrate

03

Mar 31Resolved

Nitrate

03

Mar 31Resolved

Nitrate

01

Mar 31Resolved

Nitrate

01

Mar 31Resolved

Revised Total Coliform Rule

3A

Mar 31Resolved

Revised Total Coliform Rule

3A

Mar 31Resolved

Revised Total Coliform Rule

3A

Mar 31Resolved

Nitrate

03

Mar 31Resolved

Public Notice

75

Mar 30Resolved

Public Notice

75

Mar 30Resolved

Public Notice

75

Mar 23Active

Public Notice

75

Mar 23Active

Public Notice

75

Mar 23Active

Public Notice

76

Mar 21Active

Public Notice

75

Mar 21Active

Public Notice

75

Mar 21Resolved

Public Notice

75

Mar 21Resolved

Revised Total Coliform Rule

3A

Feb 29Resolved

Revised Total Coliform Rule

3A

Feb 29Resolved

Revised Total Coliform Rule

3A

Feb 29Resolved

Revised Total Coliform Rule

3A

Feb 29Resolved

Revised Total Coliform Rule

3A

Feb 29Resolved

Revised Total Coliform Rule

3A

Feb 29Resolved

Revised Total Coliform Rule

3A

Feb 29Resolved

Revised Total Coliform Rule

3A

Feb 29Resolved

Public Notice

75

Feb 28Resolved

Public Notice

75

Feb 28Resolved

Public Notice

75

Jan 31Resolved

Revised Total Coliform Rule

3A

Jan 31Resolved

Revised Total Coliform Rule

3A

Jan 31Resolved

Revised Total Coliform Rule

3A

Jan 31Resolved

Revised Total Coliform Rule

3A

Jan 31Resolved

Public Notice

75

Jan 31Resolved

Revised Total Coliform Rule

3A

Jan 31Resolved

Revised Total Coliform Rule

3A

Jan 31Resolved

Revised Total Coliform Rule

3A

Jan 31Resolved

Revised Total Coliform Rule

3A

Jan 31Resolved

Public Notice

75

Jan 4Resolved

Public Notice

75

Jan 4Resolved

How Does This Compare?

SUGAR LAND (77479) has 736 recorded violations, including 20 health-based. 46 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.

Nearby ZIP Codes

Check Another ZIP Code