Middle St. Johns - Florida Department of Environmental Protection

12 Water Quality Assessment Report: Middle St. Johns
Econlockhatchee River
Lead, silver, mercury in fish
Lake Mills
Biology
Lake Downey
Nutrients
Lake Tanner
DO
Unnamed Branch
DO
Lake Barton
Nutrients
Lake Corrine
Nutrients
Lake Drawdy
DO
Lake Barber
Nutrients
Unnamed Drain
DO
EEcconlockhatchee
Lake George Planning Unit
Of the 29 waterbody segments in the Lake George planning unit,
13 segments have sufficient data for assessment. Of these, 6 are verified
impaired for at least 1 parameter assessed, none remain on the Planning
List, and 7 meet standards.
The six verified impaired segments in the planning unit and the
parameters of impairment are as follows:
St. Johns River above Ocklawaha
River
Lake Margaret
Lake George
St. Johns River below Lake George
St. Johns River below Lake George
Grasshopper Lake
Nutrients
Mercury in fish
Nutrients, selenium
Nutrients
DO, nutrients,
Mercury in fish
Lake Jesup Planning Unit
Of the 100 waterbody segments in the Lake Jesup planning unit,
70 segments have sufficient data for assessment. Of these, 16 are verified
impaired for at least 1 parameter assessed, 17 remain on the Planning List,
and 34 meet standards. The 16 verified impaired segments in the planning
unit and the parameters of impairment are as follows:
Lake Jesup
Chub Creek
Lake Alma
Lake Searcy
Salt Creek
Sweetwater Creek
Island Lake
Fruitwood Lake
Howell Creek
Howell Lake
Lake Minnehaha
Lake Winyah
Lake Concord
Lake Adair
Nutrients, unionized ammonia
DO, iron, nutrients
Nutrients
Nutrients
DO, iron, nutrients
DO
Nutrients
Nutrients
Fecal coliform bacteria, total
coliform bacteria
Nutrients
Nutrients
Nutrients
Nutrients
Nutrients