Water Quality in Houston, TX (77523)
EPA violation data for public water systems serving ZIP code 77523.
Active Health Violations
9 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 76% of US ZIP codes.
Based on EPA compliance data. Not a substitute for an official water quality report from your utility.
30,186
Population
13
Water Systems
19
Violations (5yr)
9
Health-Based
Location
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Water Systems Serving This Area (13)
City Of Houston
1 health-basedCity Of Pasadena
City Of Mont Belvieu
3 health-basedJsw Steel Usa Plate Division
1 health-basedSnappy Mart 4
Enterprise Products Operating
All resolvedBay Place Subdivision The
3 health-basedEagles Landing
West Texas Drum Company
1 health-basedEnterprise Products Laboratory
All resolvedThe Barn
Shady Oaks Rv Park
Taylor-Wharton America Baytown
Contaminants Found
Lead and copper testing requirement. Lead exposure can cause developmental harm in children.
Missed testing deadlines — not a detection of bacteria.
Lead & Copper Levels
Lead (Pb)
Within limitSampled: Jan 2025
Copper (Cu)
Exceeds limitSampled: Jul 2022
How Does This Compare?
Houston (77523) has more violations than 76% of US ZIP codes. The national average is 18.87 violations per ZIP over 5 years. This ZIP has 19.
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
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
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.