Water Quality in San Antonio, TX (78006)
EPA violation data for public water systems serving ZIP code 78006.
Active Health Violations
20 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 98% of US ZIP codes.
Based on EPA compliance data. Not a substitute for an official water quality report from your utility.
44,560
Population
48
Water Systems
241
Violations (5yr)
20
Health-Based
Location
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Water Systems Serving This Area (48)
San Antonio Water System
New Braunfels Utilities
All resolvedClwsc Canyon Lake Shores
3 health-basedSjwtx Triple Peak Plant
All resolvedCity Of Boerne
3 health-basedPilot Travel Center 485
All resolvedTapatio Springs Resort
Joshua Springs Park
Memorial Shopping Center
Po Po Family Restaurant
All resolvedKendall Point
Guadalupe River Ranch
Foothills Mobile Home Ranch
6 health-basedHarvest Fields
Cielo Rio Ranch Water System
1 health-basedHill Country Montessori School
1 health-basedThrive Early Learning Academy
1 health-basedBoerne Medical Complex
1 health-basedBerry Oaks Water Company
1 health-basedCascade Caverns Park
Blue Sage Properties
1 health-basedTrinity Oaks
Michels Properties
Obriens Restaurant
The Container Retreat At 290 Wine Trail
Hillbillyz Of Texas
Marvelously Made School
Cibolo Heights Community
Westwood Retail Facility
Bel-Aire Mobile Home Park
Cardinal Motor Home Park
All resolvedYoung Earth Savers Youth Camp
Boerne Flags
Kendall County Maintenance Facility
Fair Oaks Ranch Center
1 health-basedBoerne Stage Airfield
Hill Country Center
Buie Forest Products
Foothills Mobile Home Ranch Annex
All resolvedMuller Water Well
Flagstop
Dym Tract Water System
Nineteen Ten Church
Water Exploration Stein Roger Well Field
1 health-basedPlaza Mobile Home Park
Camp Covenant Ministries
Cordoba Apartment Homes
South Comal Wsc
Contaminants Found
Missed testing deadlines — not a detection of bacteria.
Used to disinfect water — generally safe at regulated levels.
Lead and copper testing requirement. Lead exposure can cause developmental harm in children.
Annual water quality report delivery requirement.
At high levels, nitrate can cause blue baby syndrome in infants.
A naturally occurring element that can cause cancer and other health effects at high levels.
Lead & Copper Levels
Lead (Pb)
Within limitSampled: Jul 2025
How Does This Compare?
San Antonio (78006) has more violations than 98% of US ZIP codes. The national average is 18.87 violations per ZIP over 5 years. This ZIP has 241.
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.