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LakeQuality

Lake Carey vs Oquaga Lake

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

Oquaga Lake has a higher water quality grade (A, Excellent) than Lake Carey (D, Poor).

This comparison crosses state lines: Lake Carey in Pennsylvania versus Oquaga Lake in New York. The LakeGrade rubric is uniform across both, but the underlying monitoring programs differ in subtle ways worth noting. Oquaga Lake (A) is materially cleaner than Lake Carey (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

Lake Carey

Wyoming County, Wisconsin

Murky, only visible to about 5.9 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.

MetricLake CareyOquaga Lake
Overall GradeD (Poor)A (Excellent)
Water Clarity5.9 ft26.2 ft
PhosphorusNo dataNo data
Chlorophyll-a (Algae)No dataNo data
Maximum Depth--
Surface Area263 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 Lake Carey's Grade D. Water clarity: 26.2 ft vs 5.9 ft. For fishing diversity, Oquaga Lake also leads with 0 species.