Kentucky Lake
Stewart County, TennesseeView mapDirections
Not enough samples to grade — no nutrient or algae measurement meets the evidence bar (at least 3 samples within 10 years). No letter yet. Here is what we do have.
- Public access
- Limited data
Kentucky Lake in Stewart County, Tennessee is not rated for water quality — its monitoring record does not meet the evidence bar. Phosphorus: 20.5 µg/L.
- Phosphorus
- 20.5 µg/L
- Public access
- Yes
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Watch Kentucky Lake’s letter
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Why Kentucky Lake has no grade
We grade a lake only when the monitoring record supports a letter: at least three phosphorus or chlorophyll-a samples in the last ten years, scored against EPA National Lakes Assessment thresholds for this lake’s ecoregion. For Kentucky Lake, no nutrient or algae measurement meets the evidence bar (at least 3 samples within 10 years). Sampling here has recorded phosphorus, but not water clarity and algae (chlorophyll-a).
Not Rated is not an F. It is EPA Integrated Reporting Category 3 — insufficient information. The water here may be excellent or poor; nobody has measured enough of it to say. Everything below that has been measured is still reported on this page.
Sampling is run by TDEC and volunteer programs, and published through the EPA Water Quality Portal. Read the full grading methodology.
Kentucky Lake is a lake in Stewart County, Tennessee. Limited fish-species data available. Public access is available with 10 public boat landings.
Source: EPA Water Quality Portal sampling records, TDEC, last sampled 2015-10-14. Grade methodology: LakeQuality methodology.
What Kentucky Lake is good for
From access and monitoring records, not editorial picks.
- Boat launch10 documented ramps
Swimming Safety
Not ratedLimited data
The letter is not a swimming clearance. Check local advisories before you swim.
Water quality measurements for Kentucky Lake
These readings exist but are not enough for an A–F grade — see why.
No clarity data. Phosphorus 20.5 µg/L. TSI 48.
| Metric | Value | Grade |
|---|---|---|
| Water Clarity (Secchi Depth) | No recent samples | |
| Phosphorus | 20.5 µg/L | Not graded |
| Chlorophyll-a (Algae) | No recent samples | |
| Trophic State Index (TSI) | 48 | Mesotrophic |
Moderate nutrients, good water quality
Recreation & Access
- Ginger BayPublic
- Jones CreekPublic
- BoatwrightPublic
- Boyd's BranchPublic
- Irvin CobbPublic
- Jones CreekPublic
Showing 6 of 10 documented landings from the USGS National Boat Ramps inventory.
Named access points in the USGS National Boat Ramps inventory, within about 3 miles. More lakes with boat ramps
Fishing Kentucky Lake
Graded lakes near Kentucky Lake
Kentucky Lake has no grade, but these lakes within a short drive do.
Nearby Lakes in Stewart County
Frequently asked questions about Kentucky Lake
Where is Kentucky Lake?
- Kentucky Lake is a lake in Stewart County, Tennessee. LakeQuality has not rated this lake (UNRATED) — no nutrient or algae measurement meets the evidence bar (at least 3 samples within 10 years).
What is the water quality grade for Kentucky Lake?
- Kentucky Lake in Stewart County, Tennessee is not rated for water quality — its monitoring record does not meet the evidence bar. Phosphorus: 20.5 µg/L.
Is Kentucky Lake safe to swim in?
- The letter is not a swimming clearance. Check local advisories before you swim.
Are there boat ramps on Kentucky Lake?
- Kentucky Lake has 10 documented boat landings in the USGS National Boat Ramps inventory. Named access points include Ginger Bay, Jones Creek, Boatwright, Boyd's Branch, among others. Public access is listed as yes.
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Where this data comes from
6 measurements from 1 monitoring station, 2015. Retrieved from the EPA Water Quality Portal on 2026-08-02.
Collected and reported by
- KY WQX
21KY_WQX6 samples · 2015
Analytical methods
- Phosphorus by Colorimetry
Monitoring station identifiers (1)
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.
Other records on this page
Named boat-access points from the USGS National Boat Ramps inventory