F0/100
Winnfield Tap Water Quality: Is It Safe to Drink? (2026 Report)
Serving 11,190 residents · Louisiana
What's In Winnfield's Tap Water?
31
Contaminants Tested
0
Exceed EPA Limits
1
Above EPA Goals
1 contaminant above EPA health goals
| Contaminant | Detected | Limit (MCL) | Status |
|---|---|---|---|
Lead (90th percentile) | 0.001 mg/L | 0.015 mg/L | Above Goal |
EPA Violation History
8
Violations (last 5yr)
0
Unresolved
4
Health-Related
TIER 2Resolved
Treatment technique violation
When: October 17, 2024 – January 15, 2025Rule: Ground Water RuleEnforcement: Resolving — corrective action underway
TIER 3Resolved
Surface water treatment technique failure
When: July 1, 2024Enforcement: Formal — state order issued
TIER 3Resolved
Disinfection byproduct treatment technique failure
When: February 28, 2023Rule: Ground Water RuleEnforcement: Formal — state order issued
TIER 2Resolved
Violation related to Consumer Confidence Report
When: January 20, 2023Rule: Consumer Confidence RuleEnforcement: Formal — state order issued
TIER 2Resolved
Violation related to Consumer Confidence Report
When: January 20, 2023Rule: Consumer Confidence RuleEnforcement: Formal — state order issued
TIER 3Resolved
Disinfection byproduct treatment technique failure
When: November 3, 2022Rule: Ground Water RuleEnforcement: Formal — state order issued
TIER 2Resolved
Violation related to Consumer Confidence Report
When: September 17, 2022Rule: Consumer Confidence RuleEnforcement: Formal — state order issued
TIER 3Resolved
Surface water treatment technique failure
When: July 1, 2022 – December 13, 2023Enforcement: Formal — state order issued
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
WEST WINN WATER SYSTEM INC
Population Served
2,064
Water Source
Groundwater
System ID
LA1127011
CITY OF WINNFIELD WATER SYSTEM
Population Served
7,194
Water Source
Groundwater
System ID
LA1127012
TANNEHILL WATER SYSTEM
Population Served
1,932
Water Source
Groundwater
System ID
LA1127017
Frequently Asked Questions About Winnfield Water
Is Winnfield tap water safe to drink?
Winnfield, Louisiana tap water receives a grade of F (0/100), which is considered failing. 0 contaminant(s) exceed EPA maximum contaminant levels and 164 violation(s) are on record. Residents should consider using an NSF-certified water filter to reduce contaminant exposure.
What contaminants are in Winnfield's water?
Of the 31 contaminants tested in Winnfield'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 Winnfield have any water quality violations?
Yes, Winnfield has 164 EPA violation(s) on record, with the most recent in 2025. Violation types include MCL, TT, Other. 135 of these are health-based violations, which are the most serious category.
Do I need a water filter in Winnfield?
Winnfield 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 Winnfield's tap water come from?
Winnfield's drinking water is sourced from groundwater and supplied by WEST WINN WATER SYSTEM INC and 2 other water system(s). The system serves approximately 11,190 people. Groundwater is pumped from underground aquifers, which often provides natural filtration.
How often is Winnfield'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. Winnfield'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 Winnfield's water compare to other cities in Louisiana?
Winnfield's water quality score of 0/100 earns a grade of F, which is considered failing. This is a concerning score that suggests significant water quality issues. Visit our Louisiana state page to see how all cities in the state compare.
What should I do if I'm concerned about Winnfield's water quality?
If you have concerns about Winnfield'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 (WEST WINN WATER SYSTEM INC) 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.