Winchester Reservoir is a highly nutrient-loaded hypereutrophic lake in Clark County, Kentucky. Water quality is graded F based on 1 sampling years through 2022.
Source: EPA Water Quality Portal sampling records, Kentucky DNR, last sampled 2022-09-06. Grade methodology: LakeGrade methodology.
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Swimming Safety
Avoid swimming, very poor water quality, potential algae toxins
Water Quality Grade: F, Very Poor
No clarity data. Phosphorus level: 129 µg/L. Trophic State Index: 74.
| Metric | Value | Grade |
|---|---|---|
| Water Clarity (Secchi Depth) | No data | |
| Phosphorus | 129 µg/L | F |
| Chlorophyll-a (Algae) | No data | |
| Trophic State Index (TSI) | 74 | Hypereutrophic |
Very high nutrients, dense algae, poor clarity
Where to stay near Winchester Reservoir
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Fishing Winchester Reservoir
Location
County Ranking
Ranked #1 of 1 lakes in Clark County
Cleaner Lakes Within 30 Miles
Winchester Reservoir holds Grade F. 2 nearby lakes hold higher grades.
Nearby Lakes in Clark County
Explore Winchester Reservoir across LakeGrade
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Other Grade F Lakes in Kentucky
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More records, surveys & data sources
Data Sources
Water quality data from the EPA Water Quality Portal
Grading methodology based on Metropolitan Council standards
Most recent sample: 2022-09-06
Monitoring stations: 3