Higby Reservoir #4, Middletown

Survey Map

2010 Aquatic Plant Survey Map of Higby Reservoir #4

(2.15 MB, .pdf format*)

No Transect Data Obtained | Water Data

Higby Reservoir #4 is a 27.9 acre reservoir located in Middletown, CT. There is an outflow at the southern tip of the lake.  There are three other reservoirs in the area.

The water level during the 2010 survey was very low.  An estimated half of the bottom surface was exposed.  Three plants were found during the survey, none of which were invasive.  Gratiola aurea was the most prominent plant species.  It was found in varying sizes along the western shore, in the southern cove, and along the middle of the eastern shore.  Eleocharis acicularis occurred in narrow small to medium patches along the western shore line and sporadically in the southern cove.  Eriocaulon aquaticum was found in two patches along the middle of the western shore and sporadically along the eastern shore.

Find Common Plant Names

(65 KB, .pdf format*)

Species recorded in our 2010 survey of Higby Reservoir #4. Click on plant to view herbarium mount. (Invasive species in bold)
Eriocaulon aquaticum
Eleocharis acicularis
Gratiola aurea


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