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LakeQuality

Farm Lake vs Newton Lake

Water quality, depth, fish species, and recreation comparison.

Farm Lake has a higher water quality grade (B, Good) than Newton Lake (D, Poor). Both are in Lake County, Minnesota.

Both Farm Lake and Newton Lake sit in Minnesota. A same-state comparison strips out the state-level water-quality regime as a variable: any grade differences here are about the lakes themselves, not the agencies grading them. The grades are meaningfully apart: Farm Lake grades a B while Newton Lake grades a D. That two-letter spread reflects real underlying differences — different watershed inputs, different depth profiles, or different monitoring rigor.

For a recreational visitor, the wider grade gap is decisive — Farm Lake is the better water-quality choice. For a researcher, the gap is the interesting part: what is different about the two watersheds, and which of those differences is mutable?

B

Farm Lake

Lake County, Minnesota

Murky, only visible to about 5.5 ft.

D

Newton Lake

Lake County, Minnesota

Murky, only visible to about 4.5 ft.

Side-by-Side Metrics

Source: EPA National Aquatic Resource Surveys, 2026.

Source: EPA National Aquatic Resource Surveys, 2026.

Source: EPA National Aquatic Resource Surveys, 2026.

Source: EPA National Aquatic Resource Surveys, 2026.

Source: EPA National Aquatic Resource Surveys, 2026.

Source: EPA National Aquatic Resource Surveys, 2026.

Source: EPA National Aquatic Resource Surveys, 2026.

Source: EPA National Aquatic Resource Surveys, 2026.

Source: EPA National Aquatic Resource Surveys, 2026.

MetricFarm LakeNewton Lake
Overall GradeB (Good)D (Poor)
Water Clarity5.5 ft4.5 ft
Phosphorus15 µg/LNo data
Chlorophyll-a (Algae)No dataNo data
Maximum Depth56 ft47 ft
Surface Area1.3K acres516.24 acres
Public AccessYesNo
Fish Species11
Trophic Statemesotrophiceutrophic

Bold value = better for that metric (lower phosphorus / chlorophyll = cleaner; higher Secchi / depth / species count = better).

Verdict

Farm Lake wins on overall water quality with a Grade B versus Newton Lake's Grade D. Water clarity: 5.5 ft vs 4.5 ft. For fishing diversity, Farm Lake also leads with 1 species.