Water Quality in San Antonio, TX (78221)
EPA violation data for public water systems serving ZIP code 78221.
No Health-Based Violations
None of the 11 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.
42,178
Population
11
Water Systems
0
Violations (5yr)
0
Health-Based
Location
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Water Systems Serving This Area (11)
San Antonio Water System
Purchased surface water 2,113,151 people served
0 violations
Lead tested: 1.6 ppb (limit: 15 ppb) ✓
Bexar Co. Wcip No. 18
Groundwater 300 people served
0 violations
Oakland Utility Company
Groundwater 144 people served
0 violations
Kountry Store
Groundwater 120 people served
0 violations
Hickory Water Works
Groundwater 117 people served
0 violations
Ruiz Store
Groundwater 95 people served
0 violations
Windy'S Water Works - Unit 1
Groundwater 70 people served
0 violations
G & G Mobile Home Park
Groundwater 40 people served
0 violations
Pax Fish & Game Farm
Groundwater 26 people served
0 violations
Sandy Hills Community W S
Groundwater 20 people served
0 violations
A & P Grocery
Groundwater 12 people served
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.