A
93

Excellent Water Quality

Brunswick, MD 21716

Frederick County · Population served: 7,312 · Data updated March 2026

Water Systems Serving This Area

🏔
CITY OF BRUNSWICK
Surface water · Pop. 7,312
PWSID: MD0100005

Violation History (Last 5 Years)

5Total (5yr)
0Health-Based
0Major

Water Quality Summary

Understanding Your Water in Brunswick

Tap water quality in Brunswick, Maryland (21716) receives an overall grade of A (Excellent) with a score of 93 out of 100, based on analysis of EPA compliance data, contaminant testing, and violation history. This is 16 points above the Maryland state average of 77. Compared to the national average (75), this area performs significantly better. The area is served by City Of Brunswick, a surface water system providing water to approximately 7,312 people.

Your Score 93/100 A
vs State 16 pts above Maryland avg (77)
vs National 18 pts above national avg (75)

What a Grade A Means

A score of 93/100 means the water supply in Brunswick, MD meets or exceeds all EPA standards with minimal issues. Contaminant levels are well within safe limits, and the water system has maintained a strong compliance record. While no water supply is guaranteed perfect at the tap due to household plumbing, this is among the best-scoring areas in the country.

Surface water: sourced from rivers, lakes, or reservoirs

Common Questions

Frequently Asked Questions

Based on EPA data, tap water in Brunswick, Maryland receives a grade of A (Excellent) with a score of 93/100. This indicates the water meets federal standards and has relatively few concerns. However, individual homes may still have localized issues such as lead from old plumbing.

ZIP code 21716 is served by 1 water system using surface water sources, providing water to approximately 7,312 people. Surface water systems are more susceptible to contamination from agricultural runoff, industrial discharge, and weather events, but typically undergo more extensive treatment including filtration and disinfection.

No lead data is currently available for ZIP code 21716. This may mean lead testing results haven't been reported recently, or the serving water system uses monitoring waivers. You can request a free lead test kit from most water utilities or purchase a certified home testing kit.

No PFAS ("forever chemicals") were detected in water systems serving Brunswick, Maryland during the most recent EPA monitoring period (UCMR5). However, not all water systems have been tested for all PFAS compounds, and new contamination can occur over time.

Water systems serving Brunswick, Maryland have received 5 violations in the last 5 years. Violations can range from paperwork issues (monitoring & reporting) to serious health-based violations where contaminant levels exceeded safe limits. Review the violation details above for specifics.

Water in Brunswick, Maryland shows no major contaminant concerns based on available data. A basic carbon filter can improve taste and reduce chlorine. For extra peace of mind, an NSF-certified pitcher filter or faucet-mount filter provides an affordable layer of protection.

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