Health Violations Found

Water Quality in 21157 — Westminster, MD

EPA data for CITY OF WESTMINSTER

Data source: U.S. Environmental Protection Agency (EPA) SDWIS Last verified: March 16, 2026

6
Water Systems
35,256
People Served
1
Health Violations (5yr)
Surface water
Water Source
No data
Lead Level

Your Water System

ZIP code 21157 in Westminster, Maryland is served by CITY OF WESTMINSTER (EPA ID: MD0060015). This system provides water to approximately 35,256 people from surface water sources.

There are 6 community water systems serving this area.

Lead & Copper in Your Water

No Lead & Copper Rule sampling data available for systems serving this ZIP code.

Violation Summary

1 health-based violation recorded in the past 5 years. 3 violations remain unresolved.

Recent Violations

DateContaminantTypeStatus
July 2, 2025Stage 2 DBP RuleMonitoringUnresolved
October 17, 2024Stage 2 DBP RuleHealth-basedResolved
October 17, 2024Stage 2 DBP RuleMonitoringResolved

Contaminants Detected

The following contaminants have been flagged in EPA records for water systems serving this ZIP code:

ContaminantCategoryViolationsHealth-Based
E. coliMicrobiological3No
Stage 2 DBP RuleTreatment Technique3Yes
NickelInorganic2No

Need help with your water quality?

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Water Systems Serving This Area

System NameEPA IDPopulationSource
CITY OF WESTMINSTERMD006001535,256Surface water
FREEDOM DISTRICTMD006000224,867Surface water
WAKEFIELD VALLEYMD00600172,436Surface water
BARK HILLMD0060019163Groundwater
PLEASANT VALLEYMD0060009139Groundwater

What You Can Do

  1. Request your water system’s Consumer Confidence Report (CCR) — Your utility is required to publish this annually
  2. Consider a home water test — Independent testing can reveal issues in your specific plumbing
  3. Install a certified water filter — NSF-certified filters can address specific contaminants
  4. Contact your water provider — Ask about current treatment and any ongoing remediation

Need help with water testing or filtration?

Call to get connected with a local professional in your area.

Call (855) 384-4856

This is a free service. You will be connected with an independent service provider.

Other Water Quality Reports in Maryland

Nearby Water Quality Reports

Data Sources

This report uses public data from the EPA Safe Drinking Water Information System (SDWIS). View the full compliance record for CITY OF WESTMINSTER (MD0060015) on EPA.gov.

Frequently Asked Questions

Is the tap water in 21157 safe to drink?

Westminster’s water system has recorded 1 health-based violation in the past 5 years. While the system is required to treat water to meet federal standards, you may want to consider additional precautions such as a certified water filter.

Where does 21157’s water come from?

The primary water source for this area is surface water. CITY OF WESTMINSTER serves approximately 35,256 people.

How can I get my water tested?

Contact your local water utility for a free water quality report, or hire a certified lab for independent home water testing. The EPA recommends testing annually if you use a private well.

Does 21157 have lead in the water?

No Lead and Copper Rule sampling data is currently available in EPA records for water systems serving ZIP code 21157. If you are concerned about lead, contact your water utility or have your tap water independently tested.

What is the radon risk in 21157?

Radon zone data is not available for ZIP code 21157. The EPA recommends testing all homes for radon regardless of location, as radon levels can vary significantly even within the same neighborhood.

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