PFAS Investigation Sites

This page contains a list of sites being investigated by DNREC for per- and polyfluoroalkyl substances (PFAS) in drinking water, groundwater or surface water in Delaware. DNREC Division of Waste and Hazardous Substances Todd Keyser 302-395-2600

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Exposure Assessment Near New Castle Air National Guard Base

In 2019, the Centers for Disease Control and Prevention (CDC) and the Agency for Toxic Substances and Disease Registry (ATSDR) initiated an exposure assessment for perf- and polyfluoroalkyl substances (PFAS) in the community near the New Castle Air National Guard Base in New Castle County. [panel

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PCB Mass Loading Studies

The DNREC Division of Waste and Hazardous Substances and Division of Watershed Stewardship are working together to study polychlorinated biphenyls (PCBs) and how they enter surface waters from hazardous substance release sites around the state. Phase I Summary

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A Watershed Approach

The Watershed Approach to Toxics Assessment and Restoration (WATAR) is a watershed-scale approach to evaluating where contamination comes from, how it gets into Delaware’s waterways and water bodies, and what effects it has on watershed health.

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PCB Mass Loading Studies: Phase II Report

The phase II report from the DNREC initiative to study polychlorinated biphenyls (PCBs) and how they enter surface waters from hazardous substance release sites around the state. PCB Mass Loading from Hazardous Substance Release Sites to Surface Waters in New Castle, Kent and Sussex Counties Part 1 — Summary

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PCB Mass Loading Studies: Phase I Report

The phase I report from the DNREC initiative to study polychlorinated biphenyls (PCBs) and how they enter surface waters from hazardous substance release sites around the state. PCB Mass Loading from Hazardous Substance Release Sites to Surface Waters of the Christina River Basin Report Summary Figure 1 Evaluated

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PFAS in Delaware

DNREC and the DHSS Division of Public Health are working with federal agencies to protect the environment and public health in Delaware from the effects of a group of synthetic chemicals known as PFAS. DNREC Division of Waste

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Blades Groundwater Site

On Sept. 1, 2020, the U.S. Environmental Protection Agency (EPA) announced the addition of the Blades Groundwater Site to the Superfund National Priorities List (NPL). The NPL is EPA’s list of priority sites with releases of hazardous substances, pollutants or contaminants requiring evaluation for possible remediation. The public announcement of the listing appears in the

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