WaterQ
Mississippi State Report All States
Official Status: March 2026

Is Hattiesburg tap water safe to drink?

⚠ Caution Advised
C

Use extra caution — Hattiesburg scores 59/100.

Safety Score
59
out of 100

Still not sure if you need a filter in Hattiesburg?

Read Decision Guide →

Hattiesburg

Mississippi

View Mississippi state report Data updated: Mar 2026

Is Hattiesburg tap water safe to drink?

Use extra caution — Hattiesburg scores 59/100. This report aggregates EPA drinking water data across 8 local systems in Hattiesburg. We found 6584 total violations (208 unresolved).

Real-Time Environment

Live: 04:15 PM
0mm Precipitation

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

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 Hattiesburg?

Requirement Status
Recommended
🟡
💡

Expert Advice

Given the safety margin, a Carbon Block or sediment filter is recommended to improve taste and remove trace particulates.

Buying a Filter?

Filter or no filter for Hattiesburg water? Here's what the data says.

Baby Formula Safety

What new parents in Hattiesburg should know about tap water safety.

Homebuyer's Perspective

Water quality is easy to overlook when evaluating a move to Hattiesburg, but it can affect plumbing longevity and appliance lifespan. With a score of 59/100, we recommend budgeting for high-quality point-of-entry filtration systems to protect your home's value.

Property Impact: Requires Mitigation

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 Hattiesburg

6584
Violations (5yr)
208
Unresolved
1
Contaminants Tracked
0
Exceeding EPA Limit

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

Frequently Asked Questions

Is Hattiesburg tap water safe to drink?

Use extra caution — Hattiesburg scores 59/100.

How many water systems serve Hattiesburg?

Hattiesburg is served by 8 public water systems in our latest EPA-backed dataset.

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

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

What is the water quality score for Hattiesburg?

The water quality score for Hattiesburg is 59 out of 100, based on EPA contaminant data, violation history, and testing results across the 8 systems serving the city.

What are the top contaminants in Hattiesburg?

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

Water Quality Score
59/100
Grade
D
Water Systems
8
Population
102,517

Hattiesburg Water Quality Summary

Hattiesburg, MS receives a water quality score of 59/100 (Grade D) based on EPA Safe Drinking Water Information System (SDWIS) compliance data for 8 public water systems serving the area.

Hattiesburg's water quality score is below the national average, indicating a history of EPA violations or elevated contaminant levels. Residents are encouraged to check their specific water system report and consider additional filtration.

Hattiesburg's score of 59 is 16 points below the Mississippi state average of 75, and below the nationwide average of roughly 78/100 across all U.S. states.

Prospective homebuyers looking at this mid-size Mississippi city should be aware of the localized challenges facing its water quality, which rates poorly. Hattiesburg relies on eight water systems that operate within the Deep South's rural Delta agricultural region, where aging small-system infrastructure remains a persistent issue. For households in the area, these regional factors contribute to subpar municipal water performance, highlighting the vulnerability of the local distribution networks.

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

Key Contaminants

Lead (90th percentile)
0.0104 / 0.015 mg/L
0 mg/L MCL: 0.015 mg/L

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Water Systems Serving Hattiesburg (8)

Related

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