1
BNorth Lemmon Lake
Adams County, Wisconsin · 27.3 mi from Sheep Creek Dam Lake
- +Two grade letters higher (D → B)
- ++3 ft water clarity
Cleaner Lakes Than Sheep Creek Dam Lake
5 higher-graded lakes within 30 miles, ranked by grade improvement and proximity.
Sheep Creek Dam Lake carries a Grade D (Poor) water quality score. Within 30 miles, 5 lakes hold a higher grade. North Lemmon Lake (Adams County, Grade B, 27.3 mi away) is the closest meaningful upgrade.
2
CLake Tschida
Grant County, Wisconsin · 17.5 mi from Sheep Creek Dam Lake
- +Higher grade (D → C)
- ++2.5 ft water clarity
3
CLake Tschida
Grant County, Wisconsin · 17.7 mi from Sheep Creek Dam Lake
- +Higher grade (D → C)
- ++3.3 ft water clarity
4
CLake Tschida
Grant County, Wisconsin · 18.7 mi from Sheep Creek Dam Lake
- +Higher grade (D → C)
- ++2.4 ft water clarity
How this list is built
Every lake on LakeQuality has a calculated grade from EPA Water Quality Portal samples — secchi depth, total phosphorus, and chlorophyll-a measured against Metropolitan Council thresholds. To suggest cleaner alternatives, we filter lakes within 30 miles to those with a strictly higher numeric score, then rank by grade improvement with a small proximity tiebreak. Cross-state and limited-data lakes are excluded so the list stays locally relevant.