WaterQ
Massachusetts State Report All States
Official Status: March 2026

Is Sandwich tap water safe to drink?

✓ Generally Safe
A

Mostly yes — Sandwich scores 98/100.

Safety Score
98
out of 100

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Sandwich

Massachusetts

View Massachusetts state report Data updated: Mar 2026

Is Sandwich tap water safe to drink?

Mostly yes — Sandwich scores 98/100. This report aggregates EPA drinking water data across 2 local systems in Sandwich. We found 45 total violations (24 unresolved).

Real-Time Environment

Live: 05:45 PM
0mm Precipitation

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

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 Sandwich?

Requirement Status
Optional
🟢
💡

Expert Advice

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

Buying a Filter?

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

Baby Formula Safety

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

Homebuyer's Perspective

Water quality is easy to overlook when evaluating a move to Sandwich, but it can affect plumbing longevity and appliance lifespan. The high safety score (98/100) 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 Sandwich

45
Violations (5yr)
24
Unresolved
1
Contaminants Tracked
0
Exceeding EPA Limit

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

Frequently Asked Questions

Is Sandwich tap water safe to drink?

Mostly yes — Sandwich scores 98/100.

How many water systems serve Sandwich?

Sandwich is served by 2 public water systems in our latest EPA-backed dataset.

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

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

What is the water quality score for Sandwich?

The water quality score for Sandwich is 98 out of 100, based on EPA contaminant data, violation history, and testing results across the 2 systems serving the city.

What are the top contaminants in Sandwich?

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

Water Quality Score
98/100
Grade
A
Water Systems
2
Population
79,250

Sandwich Water Quality Summary

Sandwich, MA receives a water quality score of 98/100 (Grade A) based on EPA Safe Drinking Water Information System (SDWIS) compliance data for 2 public water systems serving the area.

Sandwich'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.

Sandwich's score of 98 is 24 points above the Massachusetts state average of 74, and above the nationwide average of roughly 78/100 across all U.S. states.

Homebuyers considering a move to this mid-size coastal city in Massachusetts will find reassurance in its outstanding water quality, which is managed across dual water systems. Even though the Northeast is generally characterized by dense, older urban infrastructure, Sandwich successfully mitigates these regional challenges to maintain exemplary safety standards. For residents, this means peace of mind when turning on the tap, as local systems consistently deliver clean water that bypasses the issues often plaguing older networks in the area.

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

Key Contaminants

Lead (90th percentile)
0.0017 / 0.015 mg/L
0 mg/L MCL: 0.015 mg/L

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Water Systems Serving Sandwich (2)

Related

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