Cattaraugus County Lake Quality
New York, 5 lakes — no lake here has enough monitoring data for a grade
Cattaraugus County holds 5 monitored lakes. With a sample that small the county-level summary describes those specific waters, not necessarily every water body in the county. No lake in Cattaraugus County has enough sampling behind it for an A–F grade yet. The 5 monitored lakes below carry whatever clarity, phosphorus, and chlorophyll-a measurements exist.
Most of the county's monitored lakes are shallow, under 50 feet, which means wind keeps the water column mixed all summer and sediment-bound phosphorus releases back into the surface layer whenever the bottom is disturbed.
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Quick Answers for Cattaraugus County
Planning a trip? Check special fishing regulations for Lime Lake — or check the official New York fishing regulations.
All Lakes in Cattaraugus County
5 lakes · 0 graded, 5 not rated0 graded lakes · 5 not rated, hidden
| # | Lake | Grade | Clarity | Phosphorus | Algae | Trophic | Access |
|---|---|---|---|---|---|---|---|
| NRLime LakeCattaraugus | NR | 7.6 ft | No recent samples | No recent samples | No recent samples | Not recorded | |
| NRTimber LakeCattaraugus | NR | No recent samples | No recent samples | No recent samples | No recent samples | Not recorded | |
| NRRed House LakeCattaraugus | NR | No recent samples | No recent samples | No recent samples | No recent samples | Not recorded | |
| NRSkim LakeCattaraugus | NR | No recent samples | No recent samples | No recent samples | No recent samples | Not recorded | |
| NRCrystal LakeCattaraugus | NR | No recent samples | No recent samples | No recent samples | No recent samples | Not recorded |
NR = not rated: there is not enough recent sampling to support a letter. That is EPA Integrated Reporting Category 3 (insufficient information), not a failing grade. How grading works.
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Other Counties in New York
See how Cattaraugus County stacks up in the national county water-quality rankings, or browse the full directory of graded lakes across all United States (49 states), Canada (Ontario, Québec, Nova Scotia, British Columbia and Newfoundland and Labrador), and 38 other country hubs..
Source: EPA National Aquatic Resource Surveys, 2026.