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LakeQuality

Deer Lake vs Oquaga Lake

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

Oquaga Lake has a higher water quality grade (A, Excellent) than Deer Lake (D, Poor). Both are in Broome County, Wisconsin.

Both Deer Lake and Oquaga Lake sit in New York. 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. Oquaga Lake (A) is materially cleaner than Deer Lake (D). A gap that wide is unlikely to close in a single year of remediation work; it reflects multi-decade differences in the lakes themselves.

For a recreational visitor, the wider grade gap is decisive — Oquaga 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?

D

Deer Lake

Broome County, Wisconsin

Murky, only visible to about 4.6 ft.

A

Oquaga Lake

Broome County, Wisconsin

Crystal clear, you can see 26.2 ft down.

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.

MetricDeer LakeOquaga Lake
Overall GradeD (Poor)A (Excellent)
Water Clarity4.6 ft26.2 ft
PhosphorusNo dataNo data
Chlorophyll-a (Algae)No dataNo data
Maximum Depth--
Surface Area32 acres134 acres
Public AccessUnknownUnknown
Fish Species00
Trophic Stateeutrophicoligotrophic

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

Verdict

Oquaga Lake wins on overall water quality with a Grade A versus Deer Lake's Grade D. Water clarity: 26.2 ft vs 4.6 ft. For fishing diversity, Oquaga Lake also leads with 0 species.