B69/100
TEXAS STATE UNIVERSITY - SAN MARCOS — Water Quality Report 2026
Serving 43,552 people · Texas
Water Source
Groundwater
County
—
System ID
TX1050003
Violations
16
Contaminant Test Results
2 contaminants above EPA health goals
| Contaminant | Detected | Limit (MCL) | Status |
|---|---|---|---|
Copper (90th percentile) | 1.80 mg/L | 1.30 mg/L | Over Limit |
Lead (90th percentile) | 0.001 mg/L | 0.015 mg/L | Above Goal |
EPA Violation History
No violations in the past 5 years
Full EPA compliance since 2018.
Understanding violation severity
Tier 1Urgent health risk. Utility must notify all customers within 24 hours.Tier 2Important health or treatment issue. Customers notified within 30 days.Tier 3Administrative or monitoring issue. Reported in the annual water quality report.
Source: EPA Safe Drinking Water Information System (SDWIS) · Updated quarterly
Frequently Asked Questions About TEXAS STATE UNIVERSITY - SAN MARCOS
Is TEXAS STATE UNIVERSITY - SAN MARCOS water safe to drink?
TEXAS STATE UNIVERSITY - SAN MARCOS water receives a grade of B (69/100), which is considered good. Out of 67 contaminants tested, 1 exceed EPA legal limits. 2 contaminant(s) exceed non-enforceable health goals. The water meets federal safety standards.
What contaminants has TEXAS STATE UNIVERSITY - SAN MARCOS detected?
67 contaminants were tested in TEXAS STATE UNIVERSITY - SAN MARCOS's water. Notable contaminants include Copper (90th percentile), Lead (90th percentile). 1 exceed EPA legal limits (MCLs). 2 exceed EPA health goals (MCLGs).
Does TEXAS STATE UNIVERSITY - SAN MARCOS have any EPA violations?
Yes, TEXAS STATE UNIVERSITY - SAN MARCOS has 16 EPA violation(s) on record, with the most recent in 2018. Violation types include MON, MR, Other. 1 are health-based violations.
How many people does TEXAS STATE UNIVERSITY - SAN MARCOS serve?
TEXAS STATE UNIVERSITY - SAN MARCOS serves approximately 43,552 people, Texas.
What type of water does TEXAS STATE UNIVERSITY - SAN MARCOS provide?
TEXAS STATE UNIVERSITY - SAN MARCOS sources its water from groundwater. Groundwater is pumped from underground aquifers, which often provides natural filtration. The utility's system ID is TX1050003.
How does TEXAS STATE UNIVERSITY - SAN MARCOS compare to other utilities in Texas?
TEXAS STATE UNIVERSITY - SAN MARCOS scores 69/100 with a grade of B (good). This is an above-average performance for utilities statewide. Visit our Texas state page for a full comparison of water systems.