Image of laboratory tools, and chemical compound

PFAS Monitoring and Mitigation is a Priority for Maryland

March 20, 2025

Pinwheel graphic of items containing PFAS

Six images describing pathways of PFAS into humans

Image of PFAS cycle, including wastewater treatment plant, treated discharge to stream, fire fighting foam, infiltrate to groundwater, food products, biosolids, landfill, drinking water, home and office, household products, PFAS producing industries, river and groundwater — PFAS Cycle: Sources and Transport

Six images describing health effects of PFAS

About This Map The map above shows PFAS results from public drinking water systems in the State of Maryland collected between September 2020 - August 2024 as part of MDE's PFAS Public Drinking Water System Study.

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Map of Maryland displaying popular areas for fishing and CORE monitoring stations

Block of 4 images, summer flounder, blue crabs, girl catching a fish in a net and oysters

Overhead image of Back River WWTP Courtesy of UMCES-IAN, Jane Thomas

Maryland is taking action to understand, communicate and reduce the risk of exposure to PFAS chemicals. The risk is not high everywhere, but there are certain areas of concern. Federal infrastructure funding plays a critical role in reducing the risks. The statutory and regulatory landscape is evolving.

Available Resources

Drinking Water PWS Study Reports and results: Phases 1 , 2, 3 , and 4 . EPA’s Interim and Final Health Advisories: PFOA, PFOS, GenX, PFBS EPA's National Primary Drinking Water Regulation (NPDWR) PFAS in Domestic Drinking Water Wells How to Interpret PFAS Test Results List: NELAP Certified Labs for PFAS

Fish Consumption Fish Consumption Advisories St. Mary’s Pilot Study Piscataway Creek Fish Consumption Kannan, K., K.J. Hansen, T.L. Wade and J.P. Giesy. 2002. Perfluorooctane Sulfonate in Oysters, Crassostrea virginica, from the Gulf of Mexico and the Chesapeake Bay, USA. Archives of Environmental Contamination and Toxicology. 42, 313-318

Wastewater Sewage Sludge (Biosolids) Regulatory Webpage NSF-IH WWTP Discharge Permit

Military Facilities PFAS Update at Military Bases and Private Sites in Maryland

Class-B PFAS Containing Foams Infographic: Oct.1, 2021 ban - testing and training FAQ: PFAS in Firefighting Foams Guidance: For Firefighters

Other PFAS Science Roundtable