D33/100
Slidell Tap Water Quality: Is It Safe to Drink? (2026 Report)
Serving 46,338 residents · Louisiana
What's In Slidell's Tap Water?
63
Contaminants Tested
0
Exceed EPA Limits
0
Above EPA Goals
EPA Violation History
1
Violation (last 5yr)
0
Unresolved
1
Health-Related
TIER 1 — URGENTResolved
Maximum Contaminant Level Violation
When: September 1, 2022 – September 12, 2022Rule: Total Coliform 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
BAYOU LIBERTY WATER ASSOCIATION
Population Served
10,791
Water Source
Groundwater
System ID
LA1103005
SLIDELL WATER SUPPLY
Population Served
35,547
Water Source
Groundwater
System ID
LA1103041
Frequently Asked Questions About Slidell Water
Is Slidell tap water safe to drink?
Slidell, Louisiana tap water receives a grade of D (33/100), which is considered poor. 0 contaminant(s) exceed EPA maximum contaminant levels and 35 violation(s) are on record. Residents should consider using an NSF-certified water filter to reduce contaminant exposure.
What contaminants are in Slidell's water?
Of the 66 contaminants tested in Slidell'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 Slidell have any water quality violations?
Yes, Slidell has 35 EPA violation(s) on record, with the most recent in 2022. Violation types include MCL, MR, Other. 24 of these are health-based violations, which are the most serious category.
Do I need a water filter in Slidell?
Slidell 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 Slidell's tap water come from?
Slidell's drinking water is sourced from groundwater and supplied by BAYOU LIBERTY WATER ASSOCIATION and 1 other water system(s). The system serves approximately 46,338 people. Groundwater is pumped from underground aquifers, which often provides natural filtration.
How often is Slidell'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. Slidell'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 Slidell's water compare to other cities in Louisiana?
Slidell's water quality score of 33/100 earns a grade of D, which is considered poor. 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 Slidell's water quality?
If you have concerns about Slidell'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 (BAYOU LIBERTY WATER ASSOCIATION) 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.