WaterQ
Louisiana State Report All States
Official Status: March 2026

Is Mandeville tap water safe to drink?

✓ Generally Safe
A

Mostly yes — Mandeville scores 92/100.

Safety Score
92
out of 100

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Mandeville

Louisiana

View Louisiana state report Data updated: Mar 2026

Is Mandeville tap water safe to drink?

Mostly yes — Mandeville scores 92/100. This report aggregates EPA drinking water data across 15 local systems in Mandeville. We found 270 total violations (147 unresolved).

Real-Time Environment

Live: 11:45 AM
0mm Precipitation

☀️ No active precipitation. Rainfall can impact surface water turbidity and pollutant runoff in Mandeville.

Water Quality Impact

✅ Minimal Impact Localized weather conditions may influence test result variability.

🛡️ Home Water Treatment Needs

Should you invest in filtration or softening for your home in Mandeville?

Requirement Status
Optional
🟢
💡

Expert Advice

Your water quality is excellent. Standard filtration is optional but can further enhance taste.

Buying a Filter?

Evaluation of municipal compliance and household filtration options in Mandeville.

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Baby Formula Safety

EPA compliance thresholds and pediatric water precautions for Mandeville.

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Homebuyer's Perspective

Water system history in Mandeville informs property maintenance and private filtration requirements. The high safety score (92/100) suggests lower risk for plumbing corrosion and appliance scaling.

Property Impact: Positive / Stable

Health & Family Safety

Residents should monitor Lead (90th percentile) levels. Pregnant women and families with young children should consult the specific EPA health goals listed below.

View Health Risk Glossary →

Compliance Record for Mandeville

270
Violations (5yr)
147
Unresolved
1
Contaminants Tracked
0
Exceeding EPA Limit

Based on EPA SDWIS violation records and contaminant test results for all water systems serving Mandeville.

Frequently Asked Questions

Is Mandeville tap water safe to drink?

Mostly yes — Mandeville scores 92/100.

How many water systems serve Mandeville?

Mandeville is served by 15 public water systems in our latest EPA-backed dataset.

How can I check water quality for my exact address in Mandeville?

Use the WaterQ search tool to look up your ZIP code and view nearby systems, contaminant levels, and recent violations for Mandeville.

What is the water quality score for Mandeville?

The water quality score for Mandeville is 92 out of 100, based on EPA contaminant data, violation history, and testing results across the 15 systems serving the city.

What are the top contaminants in Mandeville?

The top contaminants detected in Mandeville include Lead (90th percentile). View detailed information on our contaminants page.

Water Quality Score
92/100
Grade
A
Water Systems
15
Population
59,635

Mandeville Water Quality Summary

Mandeville, LA receives a water quality score of 92/100 (Grade A) based on EPA Safe Drinking Water Information System (SDWIS) compliance data for 15 public water systems serving the area.

Mandeville's water quality is above the national average, with strong compliance records and low contaminant levels. Residents generally receive clean, safe tap water that meets EPA standards.

Mandeville's score of 92 is 27 points above the Louisiana state average of 65, and above the nationwide average of roughly 78/100 across all U.S. states.

For residents and homebuyers looking at this mid-size city on Louisiana's Gulf Coast, the local drinking water achieves an outstanding quality rating, demonstrating strong safety standards. Even with the city's location in a river delta region known for wetlands and industrial petrochemical activity, its multiple water systems consistently deliver highly rated tap water. This top-tier performance across Mandeville's distribution networks provides reassurance for households relying on the municipal supply for their daily needs.

Water quality data is sourced from the U.S. EPA SDWIS database and updated quarterly. Learn about our scoring methodology → Read our Louisiana water quality rankings report →

Key Contaminants

Lead (90th percentile)
0.002 / 0.015 mg/L
0 mg/L MCL: 0.015 mg/L

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Water Systems Serving Mandeville (15)

City Of Mandeville Water Supply

B
LA1103023 Mandeville, LA
13,000 served 3 violations

Utilities Inc - French Settlement

A
LA1063019 Mandeville, LA
2,313 served 1 violation

Utilities Inc - North Park Water Supply

B
LA1103124 Mandeville, LA
11,298 served

Utilities Inc - Green Brier Water Supply

B
LA1103130 Mandeville, LA
2,250 served

Utilities Inc - Hammond Heights

A
LA1105010 Mandeville, LA
4,281 served

Utilities Inc - Velma

A
LA1105078 Mandeville, LA
1,302 served

Utilities Inc - Kingspoint Subdivision

A
LA1103055 Mandeville, LA
6,351 served 1 violation

Utilities Inc - Lake Village Sd

A
LA1103064 Mandeville, LA
2,724 served 4 violations

Utilities Inc - Huntwyck Village

A
LA1103073 Mandeville, LA
2,088 served

Utilities Inc - Quail Ridge Subdivision

B
LA1103074 Mandeville, LA
1,563 served 3 violations

Utilities Inc - Woodridge Subdivision

A
LA1103075 Mandeville, LA
1,590 served 3 violations

Utilities Inc- Springfield Area

A
LA1063024 Mandeville, LA
1,914 served

Utilities Inc- Whitehall/ Head Of Island

A
LA1063028 Mandeville, LA
2,676 served

Utilities Inc - Magnolia Forest Subd

A
LA1103054 Mandeville, LA
1,635 served 4 violations

Beau Chene Water System

A
LA1103006 Mandeville, LA
4,650 served 5 violations

Check Your Specific Address

Water quality can vary by neighborhood in Mandeville.

Search by City Find your city report and local water systems. See Top Contaminants Learn about health risks of common pollutants. View Louisiana Overview Compare with other cities in the state.

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Compare Mandeville water quality: View all states · Contaminant library · How we score water quality