Water Quality in San Antonio, TX (78240)
EPA violation data for public water systems serving ZIP code 78240.
No Health-Based Violations
None of the 10 water systems serving this ZIP have exceeded federal contaminant limits in the past 5 years. There are11 monitoring/reporting violations (missed testing deadlines), all resolved.
Better than 68% of US ZIP codes.
Based on EPA compliance data. Not a substitute for an official water quality report from your utility.
57,921
Population
10
Water Systems
11
Violations (5yr)
0
Health-Based
Location
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Water Systems Serving This Area (10)
San Antonio Water System
Ez Mart 4383
All resolvedMother Earth Early Child Develpmt
Oak Hills R V Park
Oakland Estates Mobile Home Pa
Springer Mobile Home Community
Methodist Mission Home
Around The Bend Lounge
John Marshall Trailer Park
Country Squire Mobile Home Park
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 (78240) has more violations than 68% of US ZIP codes. The national average is 18.87 violations per ZIP over 5 years. This ZIP has 11, most of which are monitoring/reporting issues.
Water Filter Recommendations
No contaminant issues detected. For general protection, a basic carbon filter removes common impurities like chlorine and sediment. Look for NSF/ANSI 42 certified products.