Trigg County, Kentucky · Water Quality Report Card
Lake Barkley
Lake Barkley in Trigg County, Kentucky is not rated for water quality — its monitoring record does not meet the evidence bar. Water clarity: 1.9 ft visibility.
- Clarity
- 1.9 ft
- Mean depth
- ~33 ft est.
- Type
- Eutrophic
Lake Barkley is a productive, nutrient-rich eutrophic lake in Trigg County, Kentucky with an estimated average depth of about 33 feet.
Source: EPA Water Quality Portal sampling records, KY DOW, last sampled 2017-08-06. Grade methodology: LakeGrade methodology.
Watch Lake Barkley water quality
Subscribe for LakeQuality updates by email. No spam, unsubscribe anytime.
Swimming Safety
Not rated for swimming — there is not enough monitoring data to judge this lake
Water Quality Grade: Not rated
Very murky, less than 1.9 ft of visibility. Trophic State Index: 68.
| Metric | Value | Grade |
|---|---|---|
| Water Clarity (Secchi Depth) | 1.9 ft | |
| Phosphorus | No data | |
| Chlorophyll-a (Algae) | No data | |
| Trophic State Index (TSI) | 68 | Eutrophic |
High nutrients, frequent algae, reduced clarity
Lake Details
| Characteristic | Value |
|---|---|
| Average Depth | ~33 ft est. |
Depth marked “est.” is a modeled estimate from HydroLAKES, not a measured survey. Kentucky has not published bathymetry for Lake Barkley.
Where to stay near Lake Barkley
Compare lakeside cabins, hotels, and vacation rentals near Lake Barkley in Trigg County, Kentucky — live availability and prices for your trip. Switch the map to Satellite to see the lake and how close each stay is to the water.
Top-rated places to stay near Lake Barkley
Availability and prices from Stay22 partners (Booking.com, Vrbo, Expedia). We may earn a commission from bookings, at no extra cost to you.
Planning a trip to Lake Barkley?
Get lake water-quality report cards plus the best cabin & lodging deals near Lake Barkley — straight to your inbox. No spam, unsubscribe anytime.
Planning a whole trip? See where to stay at Kentucky’s top lakes →
Fishing Lake Barkley
Location
Nearby Lakes in Trigg County
Explore Lake Barkley across LakeGrade
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 Lakes in Kentucky
Eutrophic Lakes in Kentucky
More records, surveys & data sources
Lake Size & Watershed
Size, shoreline, and watershed area from HydroLAKES (HydroSHEDS). Mean depth here is modelled, not surveyed — HydroLAKES v1.0 estimates lake depth from surrounding terrain rather than from soundings. Treat it as an approximation, and prefer a state bathymetric survey where one exists.
Where this data comes from
2 measurements from 1 monitoring station, 2017. Retrieved from the EPA Water Quality Portal on 2026-08-02.
Collected and reported by
- North American Lake Management Society
NALMS2 samples · 2017
Monitoring station identifiers (1)
Grade thresholds come from the U.S. EPA National Lakes Assessment 2022 Technical Support Document (EPA 841-R-24-006, Table 6-3), applied by ecoregion. See how grades are calculated.
Data Sources
Water quality data from the EPA Water Quality Portal
Lake size & watershed from HydroLAKES (HydroSHEDS)
Grade thresholds from the EPA National Lakes Assessment (EPA 841-R-24-006, Table 6-3), applied by ecoregion
Most recent sample: 2017-08-06
Monitoring stations: 1