Public Water Partners

SAN MARCOS, TX · Hays County

CITY OF SAN MARCOS Water System

Consumer Confidence Report status

CITY OF SAN MARCOS must publish a Consumer Confidence Report — the annual drinking water quality report covering calendar year 2026 — by July 1, 2027.

As of August 1, 2026, EPA's federal records show no open violations for CITY OF SAN MARCOS.

Data sourced from the EPA ECHO database (SDWA bulk download), last refreshed August 1, 2026. This is a record-keeping and public-information tool — it does not replace Texas’s official records. Always confirm current status with Texas before making decisions based on this information.

System facts

System ID (PWSID)
TX1050001
System type
Community Water System
Population served
72,970
Service connections
42,746
Ownership
local government
Water source
surface water (rivers, lakes, or reservoirs)

CITY OF SAN MARCOS is one of 385 community water systems in Texas in the 10,001 to 100,000 people size category, serving 72,970 people from surface water.

As of August 1, 2026, EPA's published records contain no violations for this system.

Violation history

No violations on record for this system.

Enforcement actions

No enforcement actions on record for this system.

Common questions

Is CITY OF SAN MARCOS required to publish a Consumer Confidence Report?

Yes. CITY OF SAN MARCOS is a community water system, and federal rules (40 CFR 141 Subpart O) require every community water system to publish a Consumer Confidence Report each year.

When is CITY OF SAN MARCOS’s next Consumer Confidence Report due?

CITY OF SAN MARCOS’s next Consumer Confidence Report is due by July 1, 2027. The report covers calendar year 2026.

Does CITY OF SAN MARCOS have any open drinking water violations on record?

As of August 1, 2026, EPA's federal records show no open violations for CITY OF SAN MARCOS.

What is a Consumer Confidence Report?

A Consumer Confidence Report (CCR) is the annual drinking water quality report that community water systems must provide to the people they serve. It lists the contaminants detected in the system’s water during the year, where the water comes from, and how the results compare with federal limits. EPA’s revised CCR rule takes effect January 1, 2027, and the first reports in the new format are due July 1, 2027.

Contact

REYES, STEPHANIE L,

512-393-8107

SAN MARCOS, TX 78666-6314