DELAWARE RESERVOIR REPORT

Last Updated: December 21, 2025

Delaware only has a few small reservoirs and dams, with the largest being the Hoopes Reservoir, which provides drinking water to the city of Wilmington. Other small reservoirs include the Killens Pond and Lums Pond. These reservoirs are fed by streams and creeks such as the Red Clay Creek and White Clay Creek. Snowpack and mountainous areas are not relevant in Delaware's hydrology, as the state is relatively flat. The region experiences a humid subtropical climate with hot summers and mild winters. There have been occasional drought conditions, such as in 2016 when Delaware experienced a moderate drought. Overall, the state's water supply is considered sufficient and reliably meets the needs of the population.

Delaware only has a few small reservoirs and dams, with the largest being the Hoopes Reservoir, which provides drinking water to the city of Wilmington. Other small reservoirs include the Killens Pond and Lums Pond. These reservoirs are fed by streams and creeks such as the Red Clay Creek and White Clay Creek. Snowpack and mountainous areas are not relevant in Delaware's hydrology, as the state is relatively flat. The region experiences a humid subtropical climate with hot summers and mild winters. There have been occasional drought conditions, such as in 2016 when Delaware experienced a moderate drought. Overall, the state's water supply is considered sufficient and reliably meets the needs of the population.