Mesotrophic Lakes in Georgia

20 mesotrophic lakes in Georgia. Moderate nutrients, good water quality.

Most well-managed working lakes register as mesotrophic — the band that balances productivity with clarity. 20 lakes in {{stateName}} sit in the mesotrophic band. About 0% are deep (50+ ft); the rest are shallower basins where watershed management keeps nutrients from pushing the system into eutrophy.

Mesotrophic lakes tend to grade B or C on the LakeGrade rubric — the productive-but-clear band lines up with the middle of the letter grades.

#	Lake	County	Grade	Clarity	Depth	TSI
1	Harl Lake	Harris	A	6.2 ft	-	45
2	Lake Blue Ridge	Fannin	B	9.4 ft	-	44
3	Lake Juliette	Monroe	B	8.5 ft	-	45
4	Lake Harding	Harris	B	5.9 ft	-	49
5	Lake Sidney Lanier Upstream of Buford Dam Forebay	Gwinnett	B	13.3 ft	-	43
6	Lake Nottely	Union	B	8.9 ft	-	48
7	Harl Lake	Harris	B	6.1 ft	-	49
8	Lake Lanier Upstream From Flowery Branch Confluence	Hall	B	12.8 ft	-	44
9	Lake Burton	Rabun	B	12.5 ft	-	42
10	Lake Rabun	Rabun	B	10.8 ft	-	43
11	Clarks Hill Lake	Columbia	B	7.9 ft	-	48
12	Lake Hartwell	Hart	B	13.5 ft	-	42
13	Randy Poynter Lake	Rockdale	B	-	-	49
14	Lake Sidney Lanier	Hall	B	-	-	48
15	Lake Allatoona Upstream From Dam	Bartow	C	7.5 ft	-	50
16	Lake Sidney Lanier	Forsyth	C	9.2 ft	-	48
17	Carters Lake	Gilmer	C	8.1 ft	-	49
18	Lake Sidney Lanier	Forsyth	C	9.2 ft	-	48
19	Lake Sidney Lanier	Forsyth	C	7.6 ft	-	50
20	Clarks Hill Lake	Lincoln	C	6.7 ft	-	50

All mesotrophic 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 →Kentucky version →Utah version →Washington version →Wyoming version →Massachusetts version →All Georgia lakes →

Source: EPA National Aquatic Resource Surveys, 2026.