Water Quality in San Antonio, TX (78258)
EPA violation data for public water systems serving ZIP code 78258.
Active Health Violations
6 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 85% of US ZIP codes.
Based on EPA compliance data. Not a substitute for an official water quality report from your utility.
52,448
Population
11
Water Systems
32
Violations (5yr)
6
Health-Based
Location
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Water Systems Serving This Area (11)
San Antonio Water System
Fuel America Truck Stop
All resolvedTelferner Grocery & Market
Cornerstone Church Conference And Retrea
All resolvedKuntry Korner
All resolvedVista Ridge
1 health-basedLakehills Ice House
Shady Acres Trailer Park
The Olde Tymer
North Central Baptist Hospital
5 health-basedFloores Country Store
Contaminants Found
Missed testing deadlines — not a detection of bacteria.
At high levels, nitrate can cause blue baby syndrome in infants.
Lead & Copper Levels
Lead (Pb)
Within limitSampled: Jan 2022
How Does This Compare?
San Antonio (78258) has more violations than 85% of US ZIP codes. The national average is 18.87 violations per ZIP over 5 years. This ZIP has 32.
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.
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.