B70/100
Corsicana Tap Water Quality: Is It Safe to Drink? (2026 Report)
Serving 39,576 residents · Texas
What's In Corsicana's Tap Water?
69
Contaminants Tested
0
Exceed EPA Limits
0
Above EPA Goals
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
Water Utility Details
CITY OF CORSICANA
Population Served
25,885
Water Source
Surface Water
System ID
TX1750002
ANGUS WSC
Population Served
1,206
Water Source
Purchased Surface Water
System ID
TX1750010
CORBET WSC
Population Served
3,234
Water Source
Purchased Surface Water
System ID
TX1750013
EMHOUSE WATER SYSTEM
Population Served
1,146
Water Source
Purchased Surface Water
System ID
TX1750014
M E N WSC
Population Served
4,040
Water Source
Purchased Surface Water
System ID
TX1750015
B & B WSC
Population Served
3,027
Water Source
Purchased Surface Water
System ID
TX1750028
COMMUNITY WATER CO MONTGOMERY GARDEN
Population Served
1,038
Water Source
Purchased Surface Water
System ID
TX2120008
Frequently Asked Questions About Corsicana Water
Is Corsicana tap water safe to drink?
Corsicana, Texas tap water receives a grade of B (70/100), which is considered good. Out of 69 contaminants tested, none exceed EPA maximum contaminant levels (MCLs) and 1 exceed health guidelines (MCLGs). While the water meets federal standards, some residents may still choose to use a filter for additional peace of mind.
What contaminants are in Corsicana's water?
Of the 69 contaminants tested in Corsicana's water supply, the most notable include Lead (90th percentile). No contaminants exceed EPA legal limits. 1 contaminant(s) exceed EPA health goals (MCLGs), which are non-enforceable targets set at levels with no known health risk.
Does Corsicana have any water quality violations?
Yes, Corsicana has 111 EPA violation(s) on record, with the most recent in 2025. Violation types include MR, Other, MON. 22 of these are health-based violations, which are the most serious category.
Do I need a water filter in Corsicana?
Corsicana water meets EPA standards, so a filter is not strictly necessary. However, some residents prefer the added security of a water filter. EPA health goals (MCLGs) are stricter than legal limits and are set at levels with zero expected health risk. 1 contaminant(s) exceed these stricter goals.
Where does Corsicana's tap water come from?
Corsicana's drinking water is sourced from surface water and supplied by CITY OF CORSICANA and 6 other water system(s). The system serves approximately 39,576 people. Surface water sources include rivers, lakes, and reservoirs.
How often is Corsicana's water tested?
Under the Safe Drinking Water Act (SDWA), water utilities are required to regularly test for over 90 contaminants. Testing frequency varies by contaminant — some are tested monthly, others quarterly or annually. Corsicana's water systems must report results to the EPA and publish an annual Consumer Confidence Report (CCR). The data on this page reflects the latest available EPA testing data.
How does Corsicana's water compare to other cities in Texas?
Corsicana's water quality score of 70/100 earns a grade of B, which is considered good. This is an above-average score compared to many cities nationwide. Visit our Texas state page to see how all cities in the state compare.
What should I do if I'm concerned about Corsicana's water quality?
If you have concerns about Corsicana's tap water, consider these steps: (1) Request your utility's annual Consumer Confidence Report for detailed local data. (2) Get your water independently tested through a state-certified laboratory. (3) Consider an NSF-certified water filter rated for the contaminants found in your area. (4) Contact your water utility (CITY OF CORSICANA) with specific questions. (5) Report water quality issues to your state drinking water program or the EPA Safe Drinking Water Hotline at 800-426-4791.