Skip to main content
LakeQuality

Genegantslet Lake vs Plymouth Reservoir

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

Genegantslet Lake has a higher water quality grade (B, Good) than Plymouth Reservoir (D, Poor). Both are in Chenango County, Wisconsin.

Genegantslet Lake and Plymouth Reservoir are both in New York — 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 grades are meaningfully apart: Genegantslet Lake grades a B while Plymouth Reservoir 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 — Genegantslet 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

Genegantslet Lake

Chenango County, Wisconsin

Good clarity, visible to about 12 ft.

D

Plymouth Reservoir

Chenango County, Wisconsin

Murky, only visible to about 6.2 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.

MetricGenegantslet LakePlymouth Reservoir
Overall GradeB (Good)D (Poor)
Water Clarity12 ft6.2 ft
PhosphorusNo dataNo data
Chlorophyll-a (Algae)No dataNo data
Maximum Depth--
Surface Area112 acres77 acres
Public AccessUnknownUnknown
Fish Species00
Trophic Statemesotrophiceutrophic

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

Verdict

Genegantslet Lake wins on overall water quality with a Grade B versus Plymouth Reservoir's Grade D. Water clarity: 12 ft vs 6.2 ft. For fishing diversity, Genegantslet Lake also leads with 0 species.