Water Quality in San Antonio, TX (77465)
EPA violation data for public water systems serving ZIP code 77465.
Active Health Violations
21 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.
7,681
Population
17
Water Systems
35
Violations (5yr)
21
Health-Based
Location
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Water Systems Serving This Area (17)
Valley-Hi
City Of Bay City
7 health-basedGreat Northwest Utility Co
City Of Port Lavaca
13 health-basedSouthwest Utiltiy Co-Westwood
Valencia Water Company
City Of Palacios
1 health-basedCape Carancahua Wsc
All resolvedOld Oaks Resort
All resolvedBowers Shrimp Farm
Leo'S Trailer Park
Palacios Golf Course
Circle R Park
Turtle Creek Rv Park
Matagorda County T P
Texas State Marine Education Center
Bowers Shrimp
Contaminants Found
Missed testing deadlines — not a detection of bacteria.
A naturally occurring element that can cause cancer and other health effects at high levels.
Lead and copper testing requirement. Lead exposure can cause developmental harm in children.
Lead & Copper Levels
Lead (Pb)
Within limitSampled: Jan 2024
How Does This Compare?
San Antonio (77465) 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
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. This is general educational information, not an endorsement of any specific product.