WaterQ
Massachusetts State Report All States
Official Status: March 2026

Is Cambridge tap water safe to drink?

✓ Generally Safe
A

Mostly yes — Cambridge scores 94/100.

Safety Score
94
out of 100

Still not sure if you need a filter in Cambridge?

Read Decision Guide →

Cambridge

Massachusetts

View Massachusetts state report Verified: Apr 2026

Is Cambridge tap water safe to drink?

Mostly yes — Cambridge scores 94/100. This report aggregates EPA drinking water data across 1 local system in Cambridge. We found 0 total violations (0 unresolved).

Real-Time Environment

Live: 02:45 PM
0mm Precipitation

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

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 Cambridge?

Requirement Status
Optional
🟢
💡

Expert Advice

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

Buying a Filter?

Should you buy a water purifier in Cambridge? See our analysis.

Baby Formula Safety

Is Cambridge tap water safe for infants? Critical safety guide.

Homebuyer's Perspective

For those looking to relocate to Cambridge, water quality is a key factor in long-term property maintenance. The high safety score (94/100) 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 →

Score Breakdown for Cambridge

EPA Compliance & Violations 85/100
Contaminant Safety Margin 94%

*Scores are calculated using weighted EPA monitoring data from the past 5 years.

Frequently Asked Questions

Is Cambridge tap water safe to drink?

Mostly yes — Cambridge scores 94/100.

How many water systems serve Cambridge?

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

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

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

What is the water quality score for Cambridge?

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

What are the top contaminants in Cambridge?

The top contaminants detected in Cambridge include Total Trihalomethanes, Haloacetic Acids (HAA5), Chloramine. View detailed information on our contaminants page.

Water Quality Score
94/100
Grade
A
Water Systems
1
Population
118,214

Cambridge Water Quality Summary

Cambridge, MA receives a water quality score of 94/100 (Grade A) based on EPA Safe Drinking Water Information System (SDWIS) compliance data for 1 public water system serving the area.

Cambridge'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.

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

Key Contaminants

Total Trihalomethanes
69.5028 / 80 μg/L
0 μg/L MCL: 80 μg/L
Haloacetic Acids (HAA5)
39.5356 / 60 μg/L
0 μg/L MCL: 60 μg/L
Chloramine
1.8244 / 4 mg/L
0 mg/L MCL: 4 mg/L
Benzene
2.2616 / 5 μg/L
0 μg/L MCL: 5 μg/L
Arsenic
4.5014 / 10 μg/L
0 μg/L MCL: 10 μg/L
Chlorine
1.2609 / 4 mg/L
0 mg/L MCL: 4 mg/L
Turbidity
0.3124 / 1 NTU
0 NTU MCL: 1 NTU
PFAS (Per- and Polyfluoroalkyl Substances)
0.0003 / 0.004 μg/L
0 μg/L MCL: 0.004 μg/L

Water Systems Serving Cambridge (1)

Related

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