Nicholas County Lake Quality
West Virginia, 1 lake — no lake here has enough monitoring data for a grade
Only 1 lakes in Nicholas County carry an active grade. The county-level summary is therefore representative of those specific lakes, not necessarily of every water body in the county.
The county's lakes lean shallow, which makes the grades sensitive to wind, sediment-resuspension, and any nutrient inputs from the watershed. The cleanest lake on the books is Summersville Lake (—); the most-stressed is Summersville Lake (—).
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Quick Answers for Nicholas County
Planning a trip? Check special fishing regulations for Summersville Lake — or check the official West Virginia fishing regulations.
All Lakes in Nicholas County
1 lake · 0 graded, 1 not rated0 graded lakes · 1 not rated, hidden
| # | Lake | Grade | Clarity | Phosphorus | Algae | Trophic | Access |
|---|---|---|---|---|---|---|---|
| NRSummersville LakeNicholas | NR | No recent samples | 50 µg/L | 2.1 µg/L | No recent samples | Not recorded |
NR = not rated: the monitoring record does not meet the evidence bar for a grade. That is EPA Integrated Reporting Category 3 (insufficient information), not a failing grade. How grading works.
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Other Counties in West Virginia
See how Nicholas County stacks up in the national county water-quality rankings, or browse the full directory of graded lakes across all 49 states and 2 Canadian provinces.
Source: EPA National Aquatic Resource Surveys, 2026.