What is the cleanest lake near Beaver Dam Lake?

Lake Emily in Dodge County holds a Grade B water quality score and is 9 miles from Beaver Dam Lake.

Why is Beaver Dam Lake not Grade A?

Beaver Dam Lake holds Grade F, with about 3.2 ft of water clarity and 228 µg/L of phosphorus. The grade reflects measured water quality against Metropolitan Council thresholds. Cleaner alternatives nearby score higher on clarity, phosphorus, or chlorophyll-a.

Are these recommendations based on real data?

Yes. Every grade is calculated from EPA Water Quality Portal samples for the lake. Recommendations are limited to lakes within 30 miles of Beaver Dam Lake in Wisconsin, with strictly higher numeric grade scores and sufficient monitoring data.

Cleaner Lakes Than Beaver Dam Lake, Top 5 Within 30 Miles, LakeQuality

Cleaner Lakes Than Beaver Dam Lake

5 higher-graded lakes within 30 miles, ranked by grade improvement and proximity.

Beaver Dam Lake carries a Grade F (Very Poor) water quality score. Within 30 miles, 5 lakes hold a higher grade. Lake Emily (Dodge County, Grade B, 9 mi away) is the closest meaningful upgrade.

Lake Emily

Dodge County, Wisconsin · 9 mi from Beaver Dam Lake

+Two grade letters higher (F → B)
++8.3 ft water clarity
+Lower phosphorus (39.5 vs 228 µg/L)

Lazy Lake

Columbia County, Wisconsin · 10.1 mi from Beaver Dam Lake

+Two grade letters higher (F → C)
++9.9 ft water clarity

Little Green Lake

Green Lake County, Wisconsin · 16.5 mi from Beaver Dam Lake

+Higher grade (F → D)
++5.7 ft water clarity
+Lower phosphorus (91.7 vs 228 µg/L)

Spring Lake

Columbia County, Wisconsin · 20.1 mi from Beaver Dam Lake

+Higher grade (F → D)
++3.4 ft water clarity
+Lower phosphorus (83.3 vs 228 µg/L)

Fox Lake

Dodge County, Wisconsin · 5.6 mi from Beaver Dam Lake

+Higher grade (F → D)
++2.5 ft water clarity
+Lower phosphorus (106 vs 228 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.