WaterQ
Maryland State Report All States
Official Status: March 2026

Is Westminster tap water safe to drink?

✓ Generally Safe
A

Mostly yes — Westminster scores 92/100.

Safety Score
92
out of 100

Still not sure if you need a filter in Westminster?

Read Decision Guide →

Westminster

Maryland

View Maryland state report Data updated: Mar 2026

Is Westminster tap water safe to drink?

Mostly yes — Westminster scores 92/100. This report aggregates EPA drinking water data across 4 local systems in Westminster. We found 279 total violations (35 unresolved).

Real-Time Environment

Live: 04:15 PM
0mm Precipitation

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

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 Westminster?

Requirement Status
Optional
🟢
💡

Expert Advice

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

Buying a Filter?

Wondering if Westminster tap water needs filtering? We break it down.

Baby Formula Safety

Mixing baby formula with Westminster tap water? Read this first.

Homebuyer's Perspective

If you're house-hunting in Westminster, water quality belongs on your due-diligence checklist alongside schools and crime data. The high safety score (92/100) suggests lower risk for plumbing corrosion and appliance scaling.

Property Impact: Positive / Stable

Health & Family Safety

Residents should monitor Copper (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 Westminster

279
Violations (5yr)
35
Unresolved
2
Contaminants Tracked
1
Exceeding EPA Limit

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

Frequently Asked Questions

Is Westminster tap water safe to drink?

Mostly yes — Westminster scores 92/100.

How many water systems serve Westminster?

Westminster is served by 4 public water systems in our latest EPA-backed dataset.

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

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

What is the water quality score for Westminster?

The water quality score for Westminster is 92 out of 100, based on EPA contaminant data, violation history, and testing results across the 4 systems serving the city.

What are the top contaminants in Westminster?

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

Water Quality Score
92/100
Grade
A
Water Systems
4
Population
63,809

Westminster Water Quality Summary

Westminster, MD receives a water quality score of 92/100 (Grade A) based on EPA Safe Drinking Water Information System (SDWIS) compliance data for 4 public water systems serving the area.

Westminster'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.

Westminster's score of 92 is 2 points above the Maryland state average of 90, and above the nationwide average of roughly 78/100 across all U.S. states.

Homebuyers and residents in this mid-size Maryland city can feel confident in the local tap supply, which earns outstanding marks for safety and quality. Located in the dense Baltimore/DC urban corridor near the Chesapeake Bay, Westminster distributes its water through a small network of local systems. This top-tier performance shows that despite the environmental pressures of the Mid-Atlantic region, the city's infrastructure successfully maintains high standards for its public drinking water.

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

Key Contaminants

Copper (90th percentile) Violation
1.7 / 1.3 mg/L
0 mg/L MCL: 1.3 mg/L
Lead (90th percentile)
0.005 / 0.015 mg/L
0 mg/L MCL: 0.015 mg/L

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Water Systems Serving Westminster (4)

Related

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