Utah County Lake Quality

Utah, 26 lakes, average grade D (Poor)

There are 26 graded lakes in Utah County. The mix is varied enough that the county-level average tells you the broad strokes, not the choose-this-cabin specifics. The county-wide average grade is D — water quality issues are persistent across most of the monitored basins. 6 lakes fall into the F bracket outright.

The county's lakes lean shallow, which makes the grades sensitive to wind, sediment-resuspension, and any nutrient inputs from the watershed. The cleanest lake on the books is Silver Lake Flat Reservoir Replicate of (A); the most-stressed is Utah Lake (F).

Loading map…

Quick Answers for Utah County

Cleanest lakes in Utah County →Cleanest lakes in Utah →Safest swimming lakes in Utah →

Planning a trip? Check special fishing regulations for Silver Lake Flat Reservoir Replicate of — or check the official Utah fishing regulations.

All Lakes in Utah County

Rank	Lake	Grade	Clarity	Phosphorus
1	Silver Lake Flat Reservoir Replicate of	A	16.4 ft	-
2	Nla Lake	A	16.4 ft	-
3	Silver Lake Flat Reservoir	A	10.5 ft	-
4	Tibble Fork Reservoir	B	5.2 ft	-
5	Salem Pond	B	5.9 ft	-
6	Big East Lake	B	7.7 ft	-
7	Utah Lake	F	0.5 ft	-
8	Utah Lake	F	0.7 ft	-
9	Utah Lake Goshen Bay Southwest End	F	0.7 ft	-
10	Utah Lake Outside Entrance To Provo Bay	F	0.7 ft	-
11	Utah Lake	F	0.7 ft	-
12	Utah Lake	F	0.7 ft	-