Kentucky Lake
Calloway County, KentuckyView mapDirections
Nutrients and algae sit mid-range for this region.
- Eutrophic
- #1 of 2 in the county
- Public access
Kentucky Lake in Calloway County, Kentucky has a water quality grade of C (Fair). Phosphorus: 32.1 µg/L.
- Type
- Eutrophic
- Phosphorus
- 32.1 µg/L
- Public access
- Yes
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Kentucky Lake is a productive, nutrient-rich eutrophic lake in Calloway County, Kentucky. Water quality is graded C based on 1 sampling years through 2021. Limited fish-species data available. Public access is available. Compared to the 1 other monitored lakes in Calloway County, Kentucky Lake ranks #1 for water quality.
Source: EPA Water Quality Portal sampling records, KY DOW, last sampled 2021-09-13. Grade methodology: LakeQuality methodology.
Swimming Safety
Grade onlyModerate
Based on clarity and algae grades from past sampling — we do not hold live water temperature and a current cyanobacteria reading for this lake. Check your state or county health department before you swim.
The C is nutrients and algae, not a swimming clearance. Check local advisories before you swim.
Water Quality Grade: C (Fair)
No clarity data. Phosphorus 32.1 µg/L. TSI 54. The letter is not a swimming clearance.
| Metric | Value | Grade |
|---|---|---|
| Water Clarity (Secchi Depth) | No recent samples | |
| Phosphorus | 32.1 µg/L | Fair |
| Chlorophyll-a (Algae) | No recent samples | |
| Trophic State Index (TSI) | 54 | Eutrophic |
High nutrients, frequent algae, reduced clarity
Fishing Kentucky Lake
County Ranking
Ranked #1 of 2 lakes in Calloway County
Nearby Lakes in Calloway County
Frequently asked questions about Kentucky Lake
Where is Kentucky Lake?
- Kentucky Lake is a lake in Calloway County, Kentucky. LakeQuality grades it C for nutrients and algae. The letter is not a swimming clearance.
What is the water quality grade for Kentucky Lake?
- Kentucky Lake in Calloway County, Kentucky has a water quality grade of C (Fair). Phosphorus: 32.1 µg/L.
Is Kentucky Lake safe to swim in?
- The C is nutrients and algae, not a swimming clearance. Check local advisories before you swim.
Explore Kentucky Lake across LakeQuality
Depth, room, public access, and the state wake-sport rules
Species activity outlook by water temperature and season
Where to stay at Kentucky's top lakes, each with its grade
High nutrients, frequent algae, reduced clarity
Kentucky's cleanest and most-polluted lakes, ranked
More Kentucky Lake Rankings
Other Grade C Lakes in Kentucky
Eutrophic Lakes in Kentucky
Where this data comes from
18 measurements from 2 monitoring stations, 2015–2021. Retrieved from the EPA Water Quality Portal on 2026-08-02.
Collected and reported by
- KY WQX
21KY_WQX18 samples · 2015–2021
Analytical methods
- Phosphorus by Colorimetry
- Total Phosphorus After Block Digestion
- Turbidity by Nephelometry
Monitoring station identifiers (2)
Grade thresholds from the EPA National Lakes Assessment (EPA 841-R-24-006, Table 6-3), applied by ecoregion. See how grades are calculated and data sources.