Hypereutrophic Lakes in Kentucky

15 hypereutrophic lakes in Kentucky. Very high nutrients, dense algae, poor clarity.

Hypereutrophic lakes (TSI above 70) are at the upper end of the productivity scale: visible algal blooms most weeks of summer, clarity often under 3 feet, and meaningful risk of harmful-algal-bloom toxin events. 15 hypereutrophic lakes are on the {{stateName}} books. Almost none of them are deep — 0% break 50 feet. Shallow basin plus heavy nutrient input is the consistent recipe.

Hypereutrophic lakes overwhelmingly grade D or F — the trophic class and the grade are measuring closely-related dimensions of the same underlying nutrient regime.

#	Lake	County	Grade	Clarity	Depth	TSI
1	Nla Lake	Christian	D	4.4 ft	-	87
2	Nla Lake	Madison	D	4.4 ft	-	89
3	Nla Lake	Hart	D	4.6 ft	-	86
4	Nla Lake	Shelby	D	3.9 ft	-	95
5	Nla Lake	Fulton	F	1.5 ft	-	78
6	Nla Lake	Shelby	F	2.1 ft	-	102
7	Nla Lake	Graves	F	1.1 ft	-	75
8	Lake Jericho	Henry	F	-	-	71
9	Shelby Lake	Shelby	F	-	-	75
10	Kincaid Lake	Pendleton	F	-	-	72
11	Mitchell Lake	Ballard	F	-	-	90
12	Fish Lake	Carlisle	F	-	-	80
13	Metropolis Lake	McCracken	F	-	-	79
14	Swan Pond	Ballard	F	-	-	76
15	Winchester Reservoir	Clark	F	-	-	74

All hypereutrophic lakes →Minnesota version →Wisconsin version →Illinois version →Michigan version →Iowa version →Ohio version →Pennsylvania version →New York version →Missouri version →Indiana version →North Dakota version →South Dakota version →Florida version →Colorado version →North Carolina version →Vermont version →Texas version →Oregon version →Arkansas version →Oklahoma version →Kansas version →Nebraska version →Nevada version →Arizona version →Idaho version →Montana version →New Mexico version →Tennessee version →Alabama version →Virginia version →Utah version →Washington version →Wyoming version →All Kentucky lakes →

Source: EPA National Aquatic Resource Surveys, 2026.