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LakeQuality

Fish Lake

Carlisle County, KentuckyView mapDirections

D
Nutrient-rich

Nutrients and algae run above the regional average.

↑ up from F at the last regrade

Water temp
No reading
No gauge
Clarity
No reading
No sample
Level
No reading
No gauge
Trend
No reading
Not enough history
  • Hypereutrophic
  • Impaired · Nuisance exotic species
  • #2 of 2 in the county
  • Public access
  • Limited data
See the measurementsDirectionsWhere to stay

Fish Lake in Carlisle County, Kentucky has a water quality grade of D (Nutrient-rich). Phosphorus: 189 µg/L.

Type
Hypereutrophic
Phosphorus
189 µg/L
Public access
Yes
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Stays via Stay22

Stays near Fish Lake

Compare lakeside cabins, hotels, and vacation rentals near Fish Lake in Carlisle 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. The water-quality grade measures nutrients and algae, not lodging — cabins and rentals around Fish Lake are listed below.

Top-rated places to stay near Fish Lake

Prices for Sep 11–13, 4 adults. Change dates on the map below.

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Watch Fish Lake’s letter

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Fish Lake is a highly nutrient-loaded hypereutrophic lake in Carlisle County, Kentucky. Water quality is graded D based on 1 sampling years through 2021. Limited fish-species data available. Public access is available. Compared to the 1 other monitored lakes in Carlisle County, Fish Lake ranks #2 for water quality.

Source: EPA Water Quality Portal sampling records, KY DOW, last sampled 2021-09-08. Grade methodology: LakeQuality methodology.

Swimming Safety

Grade only

Limited data

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 D is nutrients and algae, not a swimming clearance. Fish Lake is listed impaired under Clean Water Act §303(d) (IR 5) for nuisance exotic species, nutrients (phosphorus, nitrogen). Check local advisories before you swim.

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Water Quality Grade: D (Nutrient-rich)

No clarity data. Phosphorus 189 µg/L. TSI 80. The letter is not a swimming clearance.

MetricValueGrade
Water Clarity (Secchi Depth)No recent samples
Phosphorus189 µg/LPoor
Chlorophyll-a (Algae)No recent samples
Trophic State Index (TSI)80Hypereutrophic

Very high nutrients, dense algae, poor clarity

Fishing Fish Lake

EPA Impairment Status

Fish Lake is officially listed as impaired under Clean Water Act §303(d) in the 2024 EPA reporting cycle (IR category 5).

Causes of impairment

Nuisance exotic speciesNutrients (phosphorus, nitrogen)

Source: EPA ATTAINS assessment unit KY-3589 · Official waterbody report · Matched by proximity (0.17 km)

County Ranking

Ranked #2 of 2 lakes in Carlisle County

Nearby Lakes in Carlisle County

CForked LakeEutrophic2.2 miView →NRForked Lake—View →NRHunters Pond—View →DSwan PondHypereutrophic13.5 miView →NRFirst Lake—View →NRLong Pond14.1 miView →

Frequently asked questions about Fish Lake

Where is Fish Lake?

Fish Lake is a lake in Carlisle County, Kentucky. LakeQuality grades it D for nutrients and algae. The letter is not a swimming clearance.

What is the water quality grade for Fish Lake?

Fish Lake in Carlisle County, Kentucky has a water quality grade of D (Nutrient-rich). Phosphorus: 189 µg/L.

Is Fish Lake safe to swim in?

The D is nutrients and algae, not a swimming clearance. Fish Lake is listed impaired under Clean Water Act §303(d) (IR 5) for nuisance exotic species, nutrients (phosphorus, nitrogen). Check local advisories before you swim.

Explore Fish Lake across LakeQuality

Lake Fishing Forecast

Species activity outlook by water temperature and season

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Other Grade D Lakes in Kentucky

Swan Pond

Ballard County · Nutrient-rich

Metropolis Lake

McCracken County · Nutrient-rich

Honker Lake

Lyon County · Nutrient-rich

Energy Lake

Trigg County · Nutrient-rich

Lake Morris

Christian County · Nutrient-rich

Spa Lake

Logan County · Nutrient-rich

Hypereutrophic Lakes in Kentucky

Swan PondMetropolis LakeWinchester Reservoir

Where this data comes from

12 measurements from 2 monitoring stations, 2021. Retrieved from the EPA Water Quality Portal on 2026-08-02.

Collected and reported by

  • KY WQX21KY_WQX12 samples · 2021

Analytical methods

  • 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.

Other records on this page

Impairment status from EPA ATTAINS 303(d) database