Skip to main content
LakeQuality

Big Sand Lake and Lower Bottle Lake read the same on nutrients and algae. Both are in Hubbard County, Minnesota.

Reviewed by LakeQuality Editorial Team · Updated

Big Sand Lake and Lower Bottle Lake are both in Minnesota — a same-state head-to-head where the comparison comes down to lake-specific differences in depth, watershed, and monitoring history rather than the broader state-level water-quality regime. The readings are close: Big Sand Lake and Lower Bottle Lake sit within a narrow band of each other on phosphorus, chlorophyll-a and clarity. The per-parameter table below shows where the small differences actually live.

With readings this close, the choice between the two lakes turns on non-water-quality factors: depth, fish species, public access, distance from home. The per-lake pages below cover all of those.

Big Sand Lake

Hubbard County, Minnesota

Crystal clear, you can see 23 ft down.

Lower Bottle Lake

Hubbard County, Minnesota

Crystal clear, you can see 15 ft down.

Side-by-Side Metrics

MetricBig Sand LakeLower Bottle Lake
Water Clarity23 ft Better15 ft
Phosphorus7 µg/L Better10 µg/L
Chlorophyll-a (Algae)1.7 µg/L Better2.5 µg/L
Maximum Depth135 ft Better110 ft
Surface Area1,639 acres641 acres
Public AccessYesNo
Fish Species16 Better13
Trophic Stateoligotrophicoligotrophic

A green ✓ marks the better value for that metric (lower phosphorus / chlorophyll = cleaner; higher Secchi / depth / species count = better). Surface area and trophic state carry no tick — a bigger lake is not a better lake.

Verdict

Both lakes earn the same Grade A. The tiebreakers come down to clarity (Big Sand Lake: 23 ft, Lower Bottle Lake: 15 ft) and what you want from the lake. Big Sand Lake supports more documented fish species.

Source: EPA National Aquatic Resource Surveys, 2026.