Population Served
73.0K
Service Connections
42.7K
Total Violations
35
Health-Based Violations
26
Lead & Copper Data
Lead Level
Caution1.63 ppb
Action Level: 15 ppb (EPA) · Sampled: 2024-12-31
015 ppb action level
Copper Level
No copper sampling data available
System Details
- Water Source
- Surface Water
- System Type
- Community Water System
- City
- SAN MARCOS
- ZIP Code
- 78666-6314
- Counties Served
- Hays
- Cities Served
- San Marcos
- Open Violations
- 0
- State
- Texas
Violation Summary
35
Total Violations
26
Health-Based
0
Open Now
Most recent violation: 2021-02-01
Explore Texas Water Quality
See all water systems, lead data, and violation trends for Texas.
Data source: EPA ECHO SDWIS Bulk Download (Jan 2026). PWSID: TX1050001.SafeWater Home