F
29

Failing Water Quality

Plaquemine, LA 70765

Iberville County · Population served: 24,534 · Data updated March 2026

Water Systems Serving This Area

🏔
INTRACOASTAL WATER SYSTEM WEST
Surface water · Pop. 6,465
PWSID: LA1047002
🌊
CITY OF PLAQUEMINE WATER SYSTEM
Groundwater · Pop. 14,043
PWSID: LA1047005
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HIGHWAY 1148 WATER SYSTEM
Groundwater · Pop. 1,086
PWSID: LA1047026
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INTRACOASTAL WATER SYSTEM EAST
Groundwater · Pop. 2,940
PWSID: LA1047030

Contaminants Detected

ContaminantDetected LevelEPA MCLHealth GuidelineStatus
Lead
10.0
15 ppb 1 ppb Warning

PFAS / Forever Chemicals

6 detected 2 above EPA limits
CompoundLevelEPA MCLHealth GuidelineStatus
PFBA14.2 pptNo standard500 pptUnregulated
PFOA6.2 ppt4 ppt4 pptExceeded
PFOS6.0 ppt4 ppt4 pptExceeded
PFBA5.7 pptNo standard500 pptUnregulated
PFPeA3.2 pptNo standardUnregulated
PFBS3.0 ppt2000 ppt100 pptBelow limit

Violation History (Last 5 Years)

68Total (5yr)
62Health-Based
6Major

Water Quality Summary

Understanding Your Water in Plaquemine

Tap water quality in Plaquemine, Louisiana (70765) receives an overall grade of F (Failing) with a score of 29 out of 100, based on analysis of EPA compliance data, contaminant testing, and violation history. This is 49 points below the Louisiana state average of 78. Compared to the national average (75), this area scores significantly lower. The area is served by 4 water systems providing water to approximately 24,534 people, using surface water and groundwater sources. Testing has found elevated levels of Lead that warrant attention. Notably, 2 PFAS compounds exceed EPA limits — a significant concern given the persistent nature of these chemicals. Over the past 5 years, water systems here have accumulated 68 violations, including 62 health-based violations.

Your Score 29/100 F
vs State 49 pts below Louisiana avg (78)
vs National 46 pts below national avg (75)

What a Grade F Means

A score of 29/100 indicates serious water quality failures in Plaquemine, LA. The water system has significant violations, contaminant exceedances, or enforcement actions. Residents should strongly consider using a certified water filtration system for drinking and cooking water, requesting their utility's latest test results, and potentially having their water independently tested.

Surface water: sourced from rivers, lakes, or reservoirs
Groundwater: drawn from underground aquifers via wells

Health Information

What These Contaminants Mean for You

⚠️

Lead in Your Water

Lead is a toxic metal that can leach from aging pipes and plumbing fixtures.

Health Effects

Even low levels of lead exposure can cause developmental delays in children, kidney damage, and cardiovascular effects in adults. The EPA action level is 15 ppb, but health experts recommend no safe level of lead in drinking water.

Common Sources

Lead enters water primarily through corrosion of lead service lines, lead solder, and brass fixtures — especially in homes built before 1986.

What You Can Do

If lead is detected above 1 ppb, consider using a certified lead-removal filter (NSF/ANSI 53) for drinking and cooking water. Run cold water for 30 seconds before use if water has been sitting in pipes.

Common Questions

Frequently Asked Questions

Tap water in Plaquemine, Louisiana receives a grade of F (Failing) with a score of 29/100. This indicates significant water quality concerns based on violation history, contaminant levels, or enforcement actions. We recommend reviewing the specific contaminants detected below and considering a certified water filter.

ZIP code 70765 is served by 4 water systems using surface water, groundwater sources, providing water to approximately 24,534 people. Multiple source types mean your water may come from a blend of surface and underground sources.

Lead was detected at 10.0 ppb in Plaquemine, Louisiana. While this is below the EPA action level of 15 ppb, it exceeds the health guideline of 1 ppb recommended by health organizations. Consider a certified lead filter, especially if you have young children.

Yes — 6 PFAS compounds were detected in water serving Plaquemine, Louisiana, and 2 exceed EPA maximum contaminant levels. PFAS are persistent chemicals linked to cancer, immune system effects, and developmental issues. A reverse osmosis or activated carbon filter certified for PFAS removal is recommended.

Water systems serving Plaquemine, Louisiana have received 68 violations in the last 5 years, including 62 health-based violations. Violations can range from paperwork issues (monitoring & reporting) to serious health-based violations where contaminant levels exceeded safe limits. Review the violation details above for specifics.

Based on detected contaminants (lead, PFAS), residents in Plaquemine, Louisiana should consider: Reverse osmosis (RO) system — most effective for PFAS, lead, and other contaminants. Always look for filters with NSF/ANSI certification for the specific contaminants you want to remove.

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