Water Quality in San Antonio, TX (78220)
EPA violation data for public water systems serving ZIP code 78220.
No Health-Based Violations
None of the 4 water systems serving this ZIP have any violations in the past 5 years.
Based on EPA compliance data. Not a substitute for an official water quality report from your utility.
19,423
Population
4
Water Systems
0
Violations (5yr)
0
Health-Based
Location
Loading map...
Water Systems Serving This Area (4)
San Antonio Water System
Purchased surface water 2,113,151 people served
0 violations
Lead tested: 1.6 ppb (limit: 15 ppb) ✓
Sjwtx E V I A N 2
Groundwater 210 people served
0 violations
Swiss Chalet Restaurant
Groundwater 50 people served
0 violations
Sjwtx E V I A N
Groundwater 0
0 violations
Lead & Copper Levels
Lead (Pb)
Within limit1.6 ppb measured
Action level: 15 ppb
Sampled: Jan 2022
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.