A89/100
Duson Tap Water Quality: Is It Safe to Drink? (2026 Report)
Serving 18,798 residents · Louisiana
What's In Duson's Tap Water?
51
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
TOWN OF DUSON WATER SYSTEM
Population Served
2,190
Water Source
Groundwater
System ID
LA1055011
LPWD SOUTH
Population Served
15,132
Water Source
Purchased Groundwater
System ID
LA1055156
ILE DES CANNES WATER SYSTEM
Population Served
1,476
Water Source
Purchased Groundwater
System ID
LA1055201
Frequently Asked Questions About Duson Water
Is Duson tap water safe to drink?
Duson, Louisiana tap water receives a grade of A (89/100), which is considered excellent. Out of 51 contaminants tested, none exceed EPA maximum contaminant levels (MCLs). While the water meets federal standards, some residents may still choose to use a filter for additional peace of mind.
What contaminants are in Duson's water?
51 contaminants were tested in Duson's water supply. No contaminants exceed EPA legal limits (MCLs) or health goals (MCLGs), which is a positive indicator of water quality.
Does Duson have any water quality violations?
Yes, Duson has 16 EPA violation(s) on record, with the most recent in 2024. Violation types include MR, Other, MCL. 4 of these are health-based violations, which are the most serious category.
Do I need a water filter in Duson?
Duson 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. All contaminants are within health goals.
Where does Duson's tap water come from?
Duson's drinking water is sourced from groundwater and supplied by TOWN OF DUSON WATER SYSTEM and 2 other water system(s). The system serves approximately 18,798 people. Groundwater is pumped from underground aquifers, which often provides natural filtration.
How often is Duson'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. Duson'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 Duson's water compare to other cities in Louisiana?
Duson's water quality score of 89/100 earns a grade of A, which is considered excellent. This places Duson among the better-performing water systems in Louisiana. Visit our Louisiana state page to see how all cities in the state compare.
What should I do if I'm concerned about Duson's water quality?
If you have concerns about Duson'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 (TOWN OF DUSON 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.