Water Quality in HOUSTON, TX (77077)

EPA violation data for public water systems serving ZIP code 77077.

100

Total Violations

0

Health-Based

100

Monitoring / Reporting

100

Resolved

What does this mean?

100 of 100 violations have been resolved. None of these are health-based violations — no contaminant levels exceeded federal safety limits. The remaining 100 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: 50,670

Violations Detail (100 total)

ContaminantCategoryMCL LimitMeasuredDateStatusHealth Effects
Consumer Confidence RuleMonitoringN/AN/AJul 1, 2024ResolvedN/A
Consumer Confidence RuleMonitoringN/AN/AJul 1, 2024ResolvedN/A
Consumer Confidence RuleMonitoringN/AN/AJul 1, 2024ResolvedN/A
Consumer Confidence RuleMonitoringN/AN/AJul 1, 2024ResolvedN/A
Public NoticeMonitoringN/AN/AMar 21, 2024ResolvedN/A
Public NoticeMonitoringN/AN/AMar 21, 2024ResolvedN/A
Revised Total Coliform RuleMonitoringN/AN/AMay 31, 2023ResolvedN/A
Revised Total Coliform RuleMonitoringN/AN/AMay 31, 2023ResolvedN/A
Revised Total Coliform RuleMonitoringN/AN/AMay 31, 2023ResolvedN/A
Revised Total Coliform RuleMonitoringN/AN/AMay 31, 2023ResolvedN/A

Lead & Copper Levels

Violation Timeline

2024(6)

Consumer Confidence Rule

72

Jul 1Resolved

Consumer Confidence Rule

72

Jul 1Resolved

Consumer Confidence Rule

72

Jul 1Resolved

Consumer Confidence Rule

72

Jul 1Resolved

Public Notice

75

Mar 21Resolved

Public Notice

75

Mar 21Resolved

2023(4)

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

How Does This Compare?

HOUSTON (77077) has 100 recorded violations, none of which are health-based. All violations have been resolved, which is a positive sign for current water quality. 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

One of the few filtration methods effective at removing nitrates and nitrites. Essential for households with infants.

Targets:Nitrate, Nitrite, Dissolved Solids

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

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