Delaware is experiencing high levels of particulate air pollution. The risk of health effects is increased for everyone. Consider limiting or avoiding activities outdoors.
Delaware está experimentando niveles elevados de contaminación atmosférica por partículas. El riesgo de efectos adversos para la salud es mayor para todas las personas. Considere limitar o evitar las actividades al aire libre.
Delaware ap fè fas ak gwo nivo polisyon nan lè a ki soti nan patikil. Risk pou sante moun afekte a ogmante pou tout moun. Konsidere limite oswa evite aktivite deyò. More Info

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Final Plan of Remedial Action for the Black Oak Development OU-2 (DE-1863)



Division of Waste and Hazardous Substances

Published: Dec. 10, 2025

Encuentre la versión en español en de.gov/dnrecavisos
Leia a versão portuguesa deste aviso

DNREC Notice No. WHS20250452
Non-Discrimination Policy

The Department of Natural Resources and Environmental Control (DNREC) Remediation Section (RS) has adopted a plan regarding the clean-up of the Black Oak Development Operable Unit -2 (OU-2) Site (DE-1863) (Site) located in Lewes. The Site was historically used for agricultural purposes and consists of approximately 24 acres of a larger 77-acre parcel. The site has been divided into two operable units. OU-1, consisting of the soil, has been remediated under a separate Proposed Plan of Remedial Action (Proposed Plan). OU-2 consists of groundwater and soil vapor.

DNREC-RS issued a public notice of the Proposed Plan for the Black Oak Development OU-2 Site on November 12, 2025. There were no comments or questions from the public regarding the Proposed Plan.

Details of the Final Plan of Remedial Action are available online at den.dnrec.delaware.gov.

For additional information, please contact:

Tracy Spinden, Project Manager
DNREC- Division of Waste and Hazardous Substances
Remediation Section
391 Lukens Drive, New Castle, DE 19720
DNREC_WHS_REMEDIATIONINBOX@delaware.gov
302-395-2600

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