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CITY OF SAN MARCOS

Serving 1 city in TX

Action Needed
17 above health guidelines
67K
People Served
1
City
1
Water Sources
0
MCL Violations

Official CITY OF SAN MARCOS Resources

CITY OF SAN MARCOS Service Area

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Service Area

This map shows the approximate service area for CITY OF SAN MARCOS. Actual coverage may vary. Contact the utility directly to confirm service availability at your address.

CITY OF SAN MARCOS Water Quality Grade

F
Failing

Significant water quality issues. Filter recommended.

Quality Score0/100
17
Above Health Guidelines
0
EPA Violations

Grade is calculated based on contaminants exceeding health guidelines (MCLG) and EPA Maximum Contaminant Level violations. A = Excellent (90-100), B = Good (80-89), C = Fair (70-79), D = Poor (60-69), F = Failing (<60).

Is CITY OF SAN MARCOS Water Safe to Drink?

CITY OF SAN MARCOS has reported 17 contaminants above EPA health-based guidelines (MCLGs) in at least one city served. We recommend reviewing individual city reports below for specific water quality details.

This utility serves 67,468 people across 1 city in TX. Water quality can vary by location within the service area. Check individual city pages below for detailed contaminant data specific to your area.

CITY OF SAN MARCOS Service Area

CITY OF SAN MARCOS Contact & Information

Emergency Line

https://sanmarcostx.gov/1472/9-1-1-What-to-do

24/7 After-Hours

Mailing Address

630 E HOPKINS ST San Marcos, TX 78666

Water Sources & Treatment

Water Sources

Surface water

Treatment Methods

conventionaldisinfection

Disinfectant Used

chlorine, hypochlorite

CITY OF SAN MARCOS Annual Water Quality Reports

2026 Water Quality Report
Latest Consumer Confidence Report (CCR)
View Report

Historical reports are being compiled. Check back soon for archived water quality data.

What is a CCR? The Consumer Confidence Report (CCR) is an annual water quality report that water utilities are required by the EPA to provide to customers. It contains information about your water source, detected contaminants, and compliance status.

Recommended Water Filters for CITY OF SAN MARCOS

Based on water quality data from cities served by CITY OF SAN MARCOS, we recommend NSF-certified filters that can remove contaminants above health guidelines.

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