C48/100
Winnsboro Tap Water Quality: Is It Safe to Drink? (2026 Report)
Serving 9,120 residents · Louisiana
What's In Winnsboro's Tap Water?
31
Contaminants Tested
0
Exceed EPA Limits
0
Above EPA Goals
EPA Violation History
12
Violations (last 5yr)
5
Unresolved
10
Health-Related
TIER 3Unresolved
Disinfection byproduct treatment technique failure
TIER 2Unresolved
Violation related to Consumer Confidence Report
When: May 1, 2025Rule: Consumer Confidence RuleEnforcement: Informal — resolved cooperativelyVerify on EPA.gov
TIER 2Unresolved
Violation related to Consumer Confidence Report
When: May 1, 2025Rule: Consumer Confidence RuleEnforcement: Informal — resolved cooperativelyVerify on EPA.gov
TIER 2Unresolved
Violation related to Consumer Confidence Report
When: May 1, 2025Rule: Consumer Confidence RuleEnforcement: Informal — resolved cooperativelyVerify on EPA.gov
TIER 2Unresolved
Violation related to Consumer Confidence Report
When: May 1, 2025Rule: Consumer Confidence RuleEnforcement: Informal — resolved cooperativelyVerify on EPA.gov
TIER 3Resolved
Surface water treatment technique failure
When: July 1, 2024 – July 17, 2024Enforcement: Resolving — corrective action underway
TIER 2Resolved
Violation related to Consumer Confidence Report
When: September 6, 2022 – October 17, 2024Rule: Consumer Confidence RuleEnforcement: Resolving — corrective action underway
TIER 2Resolved
Violation related to Consumer Confidence Report
When: September 6, 2022 – October 17, 2024Rule: Consumer Confidence RuleEnforcement: Resolving — corrective action underway
TIER 2Resolved
Violation related to Consumer Confidence Report
When: September 6, 2022 – September 7, 2022Rule: Consumer Confidence RuleEnforcement: Resolving — corrective action underway
TIER 2Resolved
Violation related to Consumer Confidence Report
When: September 6, 2022 – October 17, 2024Rule: Consumer Confidence RuleEnforcement: Resolving — corrective action underway
TIER 2Resolved
Violation related to Consumer Confidence Report
When: September 6, 2022 – February 23, 2024Rule: Consumer Confidence RuleEnforcement: Resolving — corrective action underway
TIER 2Resolved
Violation related to Consumer Confidence Report
When: September 6, 2022 – February 22, 2024Rule: Consumer Confidence RuleEnforcement: Resolving — corrective action underway
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
WINNSBORO WATER SYSTEM
Population Served
7,518
Water Source
Groundwater
System ID
LA1041006
LIDDIEVILLE WATER SYSTEM
Population Served
1,602
Water Source
Groundwater
System ID
LA1041010
Frequently Asked Questions About Winnsboro Water
Is Winnsboro tap water safe to drink?
Winnsboro, Louisiana tap water receives a grade of C (48/100), which is considered fair. 1 contaminant(s) exceed EPA maximum contaminant levels and 31 violation(s) are on record. Residents should consider using an NSF-certified water filter to reduce contaminant exposure.
What contaminants are in Winnsboro's water?
Of the 32 contaminants tested in Winnsboro's water supply, the most notable include Copper (90th percentile). 1 contaminant(s) exceed EPA legal limits (MCLs). 1 contaminant(s) exceed EPA health goals (MCLGs), which are non-enforceable targets set at levels with no known health risk.
Does Winnsboro have any water quality violations?
Yes, Winnsboro has 31 EPA violation(s) on record, with the most recent in 2025. Violation types include Other, TT, MR. 16 of these are health-based violations, which are the most serious category.
Do I need a water filter in Winnsboro?
Based on EPA data, using a water filter in Winnsboro is recommended. 1 contaminant(s) exceed legal limits. An NSF-certified filter — such as a reverse osmosis or activated carbon system — can effectively reduce many common contaminants. Choose a filter certified to remove the specific contaminants found in your area.
Where does Winnsboro's tap water come from?
Winnsboro's drinking water is sourced from groundwater and supplied by WINNSBORO WATER SYSTEM and 1 other water system(s). The system serves approximately 9,120 people. Groundwater is pumped from underground aquifers, which often provides natural filtration.
How often is Winnsboro'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. Winnsboro'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 Winnsboro's water compare to other cities in Louisiana?
Winnsboro's water quality score of 48/100 earns a grade of C, which is considered fair. This is a below-average score that indicates room for improvement. Visit our Louisiana state page to see how all cities in the state compare.
What should I do if I'm concerned about Winnsboro's water quality?
If you have concerns about Winnsboro'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 (WINNSBORO WATER SYSTEM) 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.