B77/100
Mer Rouge Tap Water Quality: Is It Safe to Drink? (2026 Report)
Serving 2,754 residents · Louisiana
What's In Mer Rouge's Tap Water?
1
Contaminants Tested
0
Exceed EPA Limits
0
Above EPA Goals
EPA Violation History
No violations in the past 5 years
Full EPA compliance since 2019.
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 BONNE IDEE WS
Population Served
1,656
Water Source
Groundwater
System ID
LA1067002
MER ROUGE WATER SYSTEM
Population Served
1,098
Water Source
Groundwater
System ID
LA1067009
Frequently Asked Questions About Mer Rouge Water
Is Mer Rouge tap water safe to drink?
Mer Rouge, Louisiana tap water receives a grade of B (77/100), which is considered good. Out of 1 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 Mer Rouge's water?
1 contaminants were tested in Mer Rouge's water supply. No contaminants exceed EPA legal limits (MCLs) or health goals (MCLGs), which is a positive indicator of water quality.
Does Mer Rouge have any water quality violations?
Yes, Mer Rouge has 17 EPA violation(s) on record, with the most recent in 2024. Violation types include Other, MR, MCL. 7 of these are health-based violations, which are the most serious category.
Do I need a water filter in Mer Rouge?
Mer Rouge 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 Mer Rouge's tap water come from?
Mer Rouge's drinking water is sourced from groundwater and supplied by BAYOU BONNE IDEE WS and 1 other water system(s). The system serves approximately 2,754 people. Groundwater is pumped from underground aquifers, which often provides natural filtration.
How often is Mer Rouge'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. Mer Rouge'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 Mer Rouge's water compare to other cities in Louisiana?
Mer Rouge's water quality score of 77/100 earns a grade of B, which is considered good. This is an above-average score compared to many cities nationwide. Visit our Louisiana state page to see how all cities in the state compare.
What should I do if I'm concerned about Mer Rouge's water quality?
If you have concerns about Mer Rouge'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 BONNE IDEE WS) 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.