WaterQ
New Hampshire State Report All States
Official Status: March 2026

Is Manchester tap water safe to drink?

✓ Generally Safe
A

Mostly yes — Manchester scores 100/100.

Safety Score
100
out of 100

Still not sure if you need a filter in Manchester?

Read Decision Guide →

Manchester

New Hampshire

View New Hampshire state report Data updated: Mar 2026

Is Manchester tap water safe to drink?

Mostly yes — Manchester scores 100/100. This report aggregates EPA drinking water data across 1 local system in Manchester. We found 0 total violations (0 unresolved).

Real-Time Environment

Live: 02:30 PM
0mm Precipitation

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

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 Manchester?

Requirement Status
Optional
🟢
💡

Expert Advice

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

Buying a Filter?

Wondering if Manchester tap water needs filtering? We break it down.

Baby Formula Safety

Mixing baby formula with Manchester tap water? Read this first.

Homebuyer's Perspective

If you're house-hunting in Manchester, water quality belongs on your due-diligence checklist alongside schools and crime data. The high safety score (100/100) suggests lower risk for plumbing corrosion and appliance scaling.

Property Impact: Positive / Stable

Health & Family Safety

Residents should monitor Total Trihalomethanes levels. Pregnant women and families with young children should consult the specific EPA health goals listed below.

View Health Risk Glossary →

Compliance Record for Manchester

0
Violations (5yr)
0
Unresolved
4
Contaminants Tracked
0
Exceeding EPA Limit

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

Frequently Asked Questions

Is Manchester tap water safe to drink?

Mostly yes — Manchester scores 100/100.

How many water systems serve Manchester?

Manchester is served by 1 public water system in our latest EPA-backed dataset.

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

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

What is the water quality score for Manchester?

The water quality score for Manchester is 100 out of 100, based on EPA contaminant data, violation history, and testing results for all serving water systems.

What are the top contaminants in Manchester?

The top contaminants detected in Manchester include Total Trihalomethanes, Trichloroethylene (TCE), Lead. View detailed information on our contaminants page.

Water Quality Score
100/100
Grade
A
Water Systems
1
Population
123,500

Manchester Water Quality Summary

Manchester, NH receives a water quality score of 100/100 (Grade A) based on EPA Safe Drinking Water Information System (SDWIS) compliance data for 1 public water system serving the area.

Manchester'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.

Manchester's score of 100 is 12 points above the New Hampshire state average of 88, and above the nationwide average of roughly 78/100 across all U.S. states.

For residents and prospective homebuyers in Manchester, New Hampshire, this mid-size city's water needs are managed by a single system, presenting a streamlined approach compared to the small rural water systems that dot the surrounding forested New England landscape. This consolidated setup successfully navigates the region's characteristic granite bedrock geology, securing the highest possible grade and a perfect quality score. Such exemplary performance indicates that local households receive highly reliable, top-rated municipal water, making the city an attractive choice for those prioritizing excellent utility infrastructure.

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

Key Contaminants

Total Trihalomethanes
78.4355 / 80 μg/L
0 μg/L MCL: 80 μg/L
Trichloroethylene (TCE)
4.725 / 5 μg/L
0 μg/L MCL: 5 μg/L
Lead
10.2028 / 15 μg/L
0 μg/L MCL: 15 μg/L
Chlorine
0.1801 / 4 mg/L
0 mg/L MCL: 4 mg/L

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Water Systems Serving Manchester (1)

Related

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