{{Short description|Reservoir in Delaware, United States}} {{Use American English|date=July 2025}} {{Infobox body of water | name = Hoopes Reservoir | native_name = | native_name_lang = | other_name = <!-- Images --> | image = Hoopes Reservoir in Spring 2013-04-08 17-9.jpg | alt = | caption = Hoopes Reservoir in spring | image_bathymetry = | alt_bathymetry = | caption_bathymetry = <!-- Stats --> | location = New Castle County, Delaware, United States | group = | coordinates = {{coord|39.77426|-75.63425|format=dms|display=inline,title|type:waterbody}}<!-- {{coord|DD|MM|SS|N|DD|MM|SS|W|region:ZZ_type:waterbody|display =inline,title}} --> | type = | etymology = | part_of = | inflow = | rivers = | outflow = | oceans = | catchment = <!-- {{convert|VALUE|UNITS}} must be used --> | basin_countries = | agency = | designation = | date-built = <!-- {{Start date|YYYY|MM|DD}} For man-made and other recent bodies of water --> | engineer = | date-flooded = <!-- {{Start date|YYYY|MM|DD}} For man-made and other recent bodies of water --> | length = <!-- {{convert|VALUE|UNITS}} must be used --> | width = <!-- {{convert|VALUE|UNITS}} must be used --> | area = {{convert|187|acres}} | depth = <!-- {{convert|VALUE|UNITS}} must be used --> | max-depth = <!-- {{convert|VALUE|UNITS}} must be used --> | volume = {{convert|479160000|ft3}} | residence_time = | salinity = | shore = <!-- {{convert|VALUE|UNITS}} must be used --> | elevation = <!-- {{convert|VALUE|UNITS}} must be used --> | temperature_high = <!-- {{convert|VALUE|UNITS}} must be used --> | temperature_low = <!-- {{convert|VALUE|UNITS}} must be used --> | frozen = | islands = | islands_category = | sections = | trenches = | benches = | cities = <!-- Map --> | pushpin_map = Delaware#USA | pushpin_label_position = top | pushpin_map_alt = Location of Hoopes Reservoir in Delaware, USA. | pushpin_map_caption = <!-- Below --> | website = | reference = }} '''Hoopes Reservoir''' is a reservoir in New Castle County, Delaware.
The reservoir first impounded the water of Old Mill Stream and Red Clay Creek in 1932, with a dam built by the city of Wilmington, Delaware, for municipal drinking water. It has a water surface of {{convert|187|acres}}, a maximum capacity of {{convert|11,000|acre feet}}, and a normal capacity of {{convert|6300|acre feet}}.<ref name="findlakes.com">{{cite web|url=http://findlakes.com/main.php?Edgar%20M.%20Hoopes%20Dam|title=Find Lakes|publisher=findlakes.com}}</ref> The reservoir and its surroundings have been closed to the public since 1971.<ref name="netsolhost.com">{{cite web | title=Conserve, Educate, Advocate - Delaware Nature Society | website=Delaware Nature Society | date=2020-10-02 | url=https://www.delawarenaturesociety.org/ | access-date=2020-10-17}}</ref> It is the largest reservoir in Delaware.
The dam, '''Edgar M. Hoopes Dam''' (National ID # DE00015), is a concrete gravity dam originally built in 1932 and restructured several times since. It is {{convert|135|feet}} high and {{convert|845|feet}} in length at the crest.<ref name="findlakes.com"/> Its namesake, Edgar M. Hoopes, was Chief Engineer of the Wilmington Water Department from 1913 through 1918, according to a plaque on site.<ref name="netsolhost.com"/>
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Category:Reservoirs in Delaware Category:Bodies of water in New Castle County, Delaware