A86/100
CITY OF CORSICANA — Water Quality Report 2026
Serving 25,885 people · Texas
Water Source
Surface Water
County
—
System ID
TX1750002
Violations
6
Contaminant Test Results
EPA Violation History
No violations in the past 5 years
Full EPA compliance since 2010.
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 CITY OF CORSICANA
Is CITY OF CORSICANA water safe to drink?
CITY OF CORSICANA water receives a grade of A (86/100), which is considered excellent. Out of 69 contaminants tested, none exceed EPA legal limits. The water meets federal safety standards.
What contaminants has CITY OF CORSICANA detected?
69 contaminants were tested in CITY OF CORSICANA's water. No contaminants exceed EPA legal limits or health goals, indicating good water quality management.
Does CITY OF CORSICANA have any EPA violations?
Yes, CITY OF CORSICANA has 6 EPA violation(s) on record, with the most recent in 2010. Violation types include MCL, Other, MR. 2 are health-based violations.
How many people does CITY OF CORSICANA serve?
CITY OF CORSICANA serves approximately 25,885 people, Texas.
What type of water does CITY OF CORSICANA provide?
CITY OF CORSICANA sources its water from surface water. Surface water comes from rivers, lakes, or reservoirs and typically requires more extensive treatment. The utility's system ID is TX1750002.
How does CITY OF CORSICANA compare to other utilities in Texas?
CITY OF CORSICANA scores 86/100 with a grade of A (excellent). This places it among the higher-performing utilities in the state. Visit our Texas state page for a full comparison of water systems.