TX1050001
TX
1 open health violation(s)

City of San Marcos

Surface water · Local · 630 E HOPKINS ST

Overall Risk Level

High Concern

No Concern
Low
Moderate
High
Critical

Elevated contaminant levels detected. Filtration recommended.

Utility Overview

Population Served

72,970

Source Type

Surface water

Ownership

Local

PWSID

TX1050001

Detected Contaminants

CCR data ingestion in progress

Contaminant detection levels from Consumer Confidence Reports are being parsed and linked to utilities. Check back soon, or view the official report directly from the EPA links below.

View on EPA ECHO

Violation History

Sourced from EPA SDWIS. Health-based violations mean a contaminant exceeded the legal limit. Monitoring/Reporting violations mean required test results were not submitted to EPA — not necessarily that the water is unsafe.

MCL Violation — Haloacetic Acids (HAA5)

Open
Oct 2025Health-based

MR

Resolved
Feb 2021 – May 2021Monitoring/Reporting failureCode 1009

Other

Resolved
May 2016Monitoring/Reporting failureCode 7500

MCL Violation — Haloacetic Acids (HAA5)

Resolved
Jan 2016 – Jun 2016Health-based

MR — Lead

Resolved
Dec 2015 – Feb 2016Monitoring/Reporting failure

Other

Resolved
Mar 2014 – Jun 2014Monitoring/Reporting failureCode 7500

Related Pages

Texas State Overview

All utilities in TX

Data Sources & Provenance

All data on this page is sourced from official U.S. government or public datasets.

EPA ECHO — Water System & Compliance Report— PWSID TX1050001View source
EPA CCR — Consumer Confidence ReportsView source
Last updated: 2026-04-15
High Confidence
Annual refresh cycle

At a Glance

PWSIDTX1050001
StateTexas
Risk Levelhigh
Population Served72,970
Open Health Violations1

Service area match is likely but not guaranteed. Your water bill is the most reliable way to confirm your provider.

Data Sources

EPA ECHO Facility Report EPA CCR Search