1
APeters Lake
Walworth County, Wisconsin · 5.2 mi from Lower Spring Lake
- +Higher grade (B → A)
- ++1.9 ft water clarity
- +Lower phosphorus (19.6 vs 46.9 µg/L)
Cleaner Lakes Than Lower Spring Lake
5 higher-graded lakes within 30 miles, ranked by grade improvement and proximity.
Lower Spring Lake carries a Grade B (Good) water quality score. Within 30 miles, 5 lakes hold a higher grade. Peters Lake (Walworth County, Grade A, 5.2 mi away) is the closest meaningful upgrade.
2
APleasant Lake
Walworth County, Wisconsin · 6.1 mi from Lower Spring Lake
- +Higher grade (B → A)
- ++27.9 ft water clarity
- +Lower phosphorus (15.1 vs 46.9 µg/L)
3
AOttawa Lake
Waukesha County, Wisconsin · 6.2 mi from Lower Spring Lake
- +Higher grade (B → A)
- ++26.3 ft water clarity
- +Lower phosphorus (15 vs 46.9 µg/L)
4
AGreen Lake
Walworth County, Wisconsin · 6.6 mi from Lower Spring Lake
- +Higher grade (B → A)
- ++26.3 ft water clarity
- +Lower phosphorus (10.5 vs 46.9 µg/L)
5
APretty Lake
Waukesha County, Wisconsin · 6.6 mi from Lower Spring Lake
- +Higher grade (B → A)
- ++23 ft water clarity
- +Lower phosphorus (12.2 vs 46.9 µg/L)
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.