WaterQ
GU State Report All States
Official Status: March 2026

Is Dededo tap water safe to drink?

✓ Generally Safe
A

Mostly yes — Dededo scores 97/100.

Safety Score
97
out of 100

Still not sure if you need a filter in Dededo?

Read Decision Guide →

Dededo

GU

View GU state report Verified: Apr 2026

Is Dededo tap water safe to drink?

Mostly yes — Dededo scores 97/100. This report aggregates EPA drinking water data across 0 local systems in Dededo. We found 0 total violations (0 unresolved).

Real-Time Environment

Live: 07:45 AM
0mm Precipitation

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

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 Dededo?

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 Dededo? See our analysis.

Baby Formula Safety

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

Homebuyer's Perspective

For those looking to relocate to Dededo, water quality is a key factor in long-term property maintenance. The high safety score (97/100) suggests lower risk for plumbing corrosion and appliance scaling.

Property Impact: Positive / Stable

Health & Family Safety

Current records show no major contaminant spikes, making Dededo a preferred choice for health-conscious families.

View Health Risk Glossary →

Score Breakdown for Dededo

EPA Compliance & Violations 85/100
Contaminant Safety Margin 97%

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

Frequently Asked Questions

Is Dededo tap water safe to drink?

Mostly yes — Dededo scores 97/100.

How many water systems serve Dededo?

Dededo is served by 0 public water systems in our latest EPA-backed dataset.

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

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

What is the water quality score for Dededo?

The water quality score for Dededo 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 Dededo?

Current contaminant data for Dededo is being updated. Check back soon or search your specific address for the latest results.

Water Quality Score
97/100
Grade
A
Water Systems
1
Population
1,100

Dededo Water Quality Summary

Dededo, GU receives a water quality score of 97/100 (Grade A) based on EPA Safe Drinking Water Information System (SDWIS) compliance data for 1 public water system serving the area.

Dededo'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 →

Water Systems Serving Dededo (0)

Water system data coming soon for Dededo.

Related

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