WaterQ
Pennsylvania State Report All States
Official Status: March 2026

Is Saint Marys tap water safe to drink?

⚠ Caution Advised
C

Use extra caution — Saint Marys scores 59/100.

Safety Score
59
out of 100

Still not sure if you need a filter in Saint Marys?

Read Decision Guide →

Saint Marys

Pennsylvania

View Pennsylvania state report Verified: Apr 2026

Is Saint Marys tap water safe to drink?

Use extra caution — Saint Marys scores 59/100. This report aggregates EPA drinking water data across 0 local systems in Saint Marys. We found 0 total violations (0 unresolved).

🛡️ Home Water Treatment Needs

Should you invest in filtration or softening for your home in Saint Marys?

Requirement Status
Recommended
🟡
💡

Expert Advice

Given the safety margin, a Carbon Block or sediment filter is recommended to improve taste and remove trace particulates.

Buying a Filter?

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

Baby Formula Safety

Is Saint Marys tap water safe for infants? Critical safety guide.

Homebuyer's Perspective

For those looking to relocate to Saint Marys, water quality is a key factor in long-term property maintenance. With a score of 59/100, we recommend budgeting for high-quality point-of-entry filtration systems to protect your home's value.

Property Impact: Requires Mitigation

Health & Family Safety

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

View Health Risk Glossary →

Score Breakdown for Saint Marys

EPA Compliance & Violations 60/100
Contaminant Safety Margin 59%

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

Frequently Asked Questions

Is Saint Marys tap water safe to drink?

Use extra caution — Saint Marys scores 59/100.

How many water systems serve Saint Marys?

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

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

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

What is the water quality score for Saint Marys?

The water quality score for Saint Marys 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 Saint Marys?

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

Water Quality Score
59/100
Grade
D
Water Systems
1
Population
19,588

Saint Marys Water Quality Summary

Saint Marys, PA receives a water quality score of 59/100 (Grade D) based on EPA Safe Drinking Water Information System (SDWIS) compliance data for 1 public water system serving the area.

Saint Marys's water quality score is below the national average, indicating a history of EPA violations or elevated contaminant levels. Residents are encouraged to check their specific water system report and consider additional filtration.

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

Water Systems Serving Saint Marys (0)

Water system data coming soon for Saint Marys.

Related

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