WaterQ
Idaho State Report All States
Official Status: March 2026

Is St Maries tap water safe to drink?

✓ Generally Safe
A

Mostly yes — St Maries scores 98/100.

Safety Score
98
out of 100

Still not sure if you need a filter in St Maries?

Read Decision Guide →

St Maries

Idaho

View Idaho state report Verified: Apr 2026

Is St Maries tap water safe to drink?

Mostly yes — St Maries scores 98/100. This report aggregates EPA drinking water data across 0 local systems in St Maries. We found 0 total violations (0 unresolved).

Real-Time Environment

Live: 08:00 PM
0mm Precipitation

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

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 St Maries?

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 St Maries? See our analysis.

Baby Formula Safety

Is St Maries tap water safe for infants? Critical safety guide.

Homebuyer's Perspective

For those looking to relocate to St Maries, water quality is a key factor in long-term property maintenance. The high safety score (98/100) suggests lower risk for plumbing corrosion and appliance scaling.

Property Impact: Positive / Stable

Health & Family Safety

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

View Health Risk Glossary →

Score Breakdown for St Maries

EPA Compliance & Violations 85/100
Contaminant Safety Margin 98%

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

Frequently Asked Questions

Is St Maries tap water safe to drink?

Mostly yes — St Maries scores 98/100.

How many water systems serve St Maries?

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

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

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

What is the water quality score for St Maries?

The water quality score for St Maries 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 St Maries?

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

Water Quality Score
98/100
Grade
A
Water Systems
1
Population
4,173

St Maries Water Quality Summary

St Maries, ID receives a water quality score of 98/100 (Grade A) based on EPA Safe Drinking Water Information System (SDWIS) compliance data for 1 public water system serving the area.

St Maries'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 St Maries (0)

Water system data coming soon for St Maries.

Related

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