B72/100
Plaquemine Tap Water Quality: Is It Safe to Drink? (2026 Report)
Serving 32,715 residents · Louisiana
What's In Plaquemine's Tap Water?
66
Contaminants Tested
2
Exceed EPA Limits
1
Above EPA Goals
3 contaminants above EPA health goals
| Contaminant | Detected | Limit (MCL) | Status |
|---|---|---|---|
PFOA | 0.006 µg/L | 0.004 µg/L | Over Limit |
PFOS | 0.006 µg/L | 0.004 µg/L | Over Limit |
Lead (90th percentile) | 0.001 mg/L | 0.015 mg/L | Above Goal |
EPA Violation History
No violations in the past 5 years
Full EPA compliance since 2015.
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
INTRACOASTAL WATER SYSTEM WEST
Population Served
6,465
Water Source
Surface Water
System ID
LA1047002
CITY OF PLAQUEMINE WATER SYSTEM
Population Served
14,043
Water Source
Groundwater
System ID
LA1047005
EAST IBERVILLE WATER SYSTEM
Population Served
6,657
Water Source
Purchased Groundwater
System ID
LA1047007
NORTH IBERVILLE WATER SYSTEM
Population Served
1,524
Water Source
Groundwater
System ID
LA1047024
HIGHWAY 1148 WATER SYSTEM
Population Served
1,086
Water Source
Purchased Groundwater
System ID
LA1047026
INTRACOASTAL WATER SYSTEM EAST
Population Served
2,940
Water Source
Groundwater
System ID
LA1047030
Frequently Asked Questions About Plaquemine Water
Is Plaquemine tap water safe to drink?
Plaquemine, Louisiana tap water receives a grade of B (72/100), which is considered good. Out of 69 contaminants tested, 2 exceed EPA maximum contaminant levels (MCLs) and 3 exceed health guidelines (MCLGs). While the water meets federal standards, some residents may still choose to use a filter for additional peace of mind.
What contaminants are in Plaquemine's water?
Of the 69 contaminants tested in Plaquemine's water supply, the most notable include PFOA, PFOS, Lead (90th percentile). 2 contaminant(s) exceed EPA legal limits (MCLs). 3 contaminant(s) exceed EPA health goals (MCLGs), which are non-enforceable targets set at levels with no known health risk.
Does Plaquemine have any water quality violations?
Yes, Plaquemine has 38 EPA violation(s) on record, with the most recent in 2023. Violation types include TT, MCL, MR. 26 of these are health-based violations, which are the most serious category.
Do I need a water filter in Plaquemine?
Based on EPA data, using a water filter in Plaquemine is recommended. 2 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 Plaquemine's tap water come from?
Plaquemine's drinking water is sourced from surface water and supplied by INTRACOASTAL WATER SYSTEM WEST and 5 other water system(s). The system serves approximately 32,715 people. Surface water sources include rivers, lakes, and reservoirs.
How often is Plaquemine'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. Plaquemine'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 Plaquemine's water compare to other cities in Louisiana?
Plaquemine's water quality score of 72/100 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 Plaquemine's water quality?
If you have concerns about Plaquemine'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 (INTRACOASTAL WATER SYSTEM WEST) 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.