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LakeGrade
B

Rock County Lake Quality

Wisconsin16 lakes, average grade B (Good)

All Lakes in Rock County

RankLakeGradeClarityPhosphorus
1Island Lake -A7.5m15.4 µg/L
2Clear Lake -A13.5m12.2 µg/L
3Big Falls Flowage - Deep Hole LakeA4.75m
4Sand Lake -A13.25m
5Mccann Lake -A5.13m
6Island Lake - WestA6.5m
7Potato Lake - So Basin -A6.85m
8Thornapple Flowage - Deep Hole LakeA5.5m
9Pulaski Lake -A9.75m
10Chain Lake -A5m
11Amacoy Lake -B4.5m25.3 µg/L
12Unnamed Rusk Co -Deep Hole LakeB5.66m30.5 µg/L
13Two Bear Lake -B22 µg/L
14Potato Lake - North Basin- Deepest SpotC2.45m
15Murphy Flowage - Deep Hole LakeC33.4 µg/L
16Dairyland Reservoir -D1.38m