Water Quality in San Antonio, TX (78209)

EPA violation data for public water systems serving ZIP code 78209.

Based on EPA compliance data. Not a substitute for an official water quality report from your utility.

43,400

Population

29

Water Systems

35

Violations (5yr)

4

Health-Based

Location

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Water Systems Serving This Area (29)

San Antonio Water System

Purchased surface water 2,113,151 people served
0 violations
Lead tested: 1.6 ppb (limit: 15 ppb)

City Of Alamo Heights

1 health-based
Groundwater 7,357 people served
3 violations (5yr) · 1 health-based · All resolved

Gallagher Utility Joint Ventrues

Groundwater 3,600 people served
0 violations

Eucino Park Mud No. 1

Groundwater 1,750 people served
0 violations

Camp Capers

Groundwater 550 people served
0 violations

Mc Nay Art Museum

Groundwater 500 people served
0 violations

San Antonio Mud No 1 San Antonio

Purchased groundwater 345 people served
0 violations

Vos Water Company

Groundwater 339 people served
0 violations

B B R Water

All resolved
Groundwater 260 people served
1 violation (5yr) · All resolved

Canyon Lake Acres

Groundwater 255 people served
0 violations

Saint Anthony Catholic High School

1 health-based
Groundwater 250 people served
6 violations (5yr) · 1 health-based
Lead tested: 0 ppb (limit: 15 ppb)

Borden'S Incorporated

Groundwater 200 people served
0 violations

Vintage Air

Groundwater 185 people served
0 violations
Lead tested: 0.4 ppb (limit: 15 ppb)

Cozy Cove Trailer Park

Groundwater 160 people served
0 violations

Century Regional Health Care

1 health-based
Groundwater 100 people served
7 violations (5yr) · 1 health-based

North Freeway Center

Groundwater 100 people served
0 violations

City Water Company

Groundwater 81 people served
0 violations

Potranco Rd. Serv. Oper. Cente

Groundwater 50 people served
0 violations

Alamo Cement Company

Groundwater 50 people served
0 violations

Frieden Commercial 1

Groundwater 50 people served
0 violations

Oak Island Ice House

Groundwater 40 people served
0 violations

Ceco Corporation

Groundwater 32 people served
0 violations

Rosies Bar-B-Que Cafe

Groundwater 26 people served
0 violations

Infiniti Of Boerne

Groundwater 25 people served
14 violations (5yr)

Bishop Elliott Conference Center

Groundwater 25 people served
0 violations

Prairie Creek Estates

Purchased surface water 12 people served
0 violations

Taw Properties

All resolved
Groundwater 9 people served
2 violations (5yr) · All resolved

Oliver Ranch

1 health-based
Groundwater 0
2 violations (5yr) · 1 health-based · All resolved

Sheridan Water System

Groundwater 0
0 violations

Contaminants Found

Revised Total Coliform RuleHealth-Based

Missed testing deadlines — not a detection of bacteria.

16 violations
All resolved
LEAD AND COPPER RULE REVISIONSHealth-Based
6 violations
All resolved
Public NoticeMonitoring
8 violations
Has active
Lead and Copper RuleMonitoring

Lead and copper testing requirement. Lead exposure can cause developmental harm in children.

4 violations
Has active
E. COLIMonitoring
1 violation
All resolved

Lead & Copper Levels

Lead (Pb)

Within limit
0 ppb measured Action level: 15 ppb

Sampled: Jan 2025

How Does This Compare?

San Antonio (78209) has more violations than 86% of US ZIP codes. The national average is 18.87 violations per ZIP over 5 years. This ZIP has 35.

Fewer violations 86th percentile More violations

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

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.

Nearby ZIP Codes

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