CheckPFAS

City overview · Frederick County

PFAS in Frederick, MD

High Risk

EPA UCMR 5 tested 4 public water systems serving the Frederick area across 4 ZIP codes. At least one utility serving Frederick has PFAS above the EPA's enforceable limit.

Water systems tested
4
Systems above EPA limits
1
ZIP codes covered
4
County
Frederick County, Maryland

Plain English

01What this means for Frederick

Across the 4 public water systems tested in the Frederick area under EPA UCMR 5, one or more measured a PFAS compound above the federal Maximum Contaminant Level. Contamination varies by utility and neighborhood — find your exact ZIP code below to see the system that serves you. If you're in an affected area, an NSF/ANSI 53 or 58 certified filter (carbon block or reverse osmosis) is the most reliable way to reduce PFAS at the tap.

By utility

02Water systems serving Frederick

  1. NEW LIFE CHRISTIAN SCHOOL

    8 detected · 2 above limit · PWSID MD1100052

    High Risk

  2. FORT DETRICK

    1 detected · 0 above limit · PWSID MD0100011

    Low Level

  3. CITY OF FREDERICK

    1 detected · 0 above limit · PWSID MD0100015

    Low Level

  4. NEW DESIGN - FREDERICK COUNTY

    1 detected · 0 above limit · PWSID MD0100030

    Low Level

By ZIP code

03Find your exact result

Contamination can differ block to block. Select your ZIP code for the precise reading at the utility that serves your address.

21701217022170321704

Source & Methodology

About this data

Source
EPA UCMR 5
Sampling period
January 2023 – December 2025
Aggregation
4 utilities across 4 ZIP codes
Detection threshold (MRL)
~1.5–2 ppt

City-level figures aggregate the individual public water systems tested under EPA UCMR 5 whose service area falls within the Frederick area. Values reflect water quality at the treatment plant; your home's plumbing can affect what reaches your tap. Select your ZIP above for the utility-specific reading.