Water Quality in Houston, TX (77546)
EPA violation data for public water systems serving ZIP code 77546.
Active Health Violations
3 health-based violations found in the past 5 years, with at least one still unresolved. Contaminant levels have exceeded federal safety limits. Consider testing your tap water independently.
More violations than 86% of US ZIP codes.
Based on EPA compliance data. Not a substitute for an official water quality report from your utility.
54,789
Population
28
Water Systems
35
Violations (5yr)
3
Health-Based
Location
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Water Systems Serving This Area (28)
City Of Houston
1 health-basedCity Of Pasadena
City Of League City
City Of Pearland
City Of Texas City
1 health-basedCity Of Galveston
All resolvedBrazoria County Mud 18
City Of Friendswood
Galveston County Wcid 1
All resolvedCity Of Angleton
All resolvedCity Of Lake Jackson
City Of Alvin
All resolvedBolivar Peninsula Sud
All resolvedFriendswood Clear Woods
Hco Wcid No 108
Jellystone Park Of Estes Park
All resolvedChuckwagon The
South Hatfield Trailer Court
Crazy Horse Water System
Tomball Rv Park
La Casita Restaurant
Roosters Orange Bar
Friendswood-Tower Estates
Long Term Rv Park
All resolvedHaunted House
Garza Commercial Corner
1 health-basedKyle Cort Water System
Montessori School/Dcc Of Pearland
Contaminants Found
Missed testing deadlines — not a detection of bacteria.
Lead and copper testing requirement. Lead exposure can cause developmental harm in children.
Used to disinfect water — generally safe at regulated levels.
Lead & Copper Levels
Lead (Pb)
Within limitSampled: Jul 2025
Copper (Cu)
Exceeds limitSampled: Jan 2025
How Does This Compare?
Houston (77546) has more violations than 86% of US ZIP codes. The national average is 18.87 violations per ZIP over 5 years. This ZIP has 35.
Recommended Water Filters
Based on health-based violations detected in your area, these filter types are commonly used to address similar contaminants. Consult your water utility's Consumer Confidence Report for the most current data.
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
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. This is general educational information, not an endorsement of any specific product.