Dewey Lake
Floyd County, Kentucky1,063 acresView mapDirections
No nutrient or algae sampling on record from Kentucky DOW for this lake.
- Impaired · Nutrients (phosphorus, nitrogen)
- Public access
Dewey Lake in Floyd County, Kentucky has water-quality measurements published by Kentucky DOW, shown here as reported. Surface area: 1063 acres.
Dewey Lake is a 1,063-acre lake in Floyd County, Kentucky. Limited fish-species data available. Public access is available with 3 public boat landings.
Source: EPA Water Quality Portal sampling records, KY DOW. Methodology: how these readings are compared.
What Dewey Lake is good for
From access and monitoring records, not editorial picks.
- Boat launch3 documented ramps
- Camping1 public campground nearby
- Big water1,063 acres
Swimming conditions
No readingNot rated
Nutrient and algae readings are not a swimming clearance. Dewey Lake is listed impaired under Clean Water Act §303(d) (IR 5) for nutrients (phosphorus, nitrogen). Check local advisories before you swim.
Whether Dewey Lake is safe to swim in today is a call for the Kentucky Division of Water and the county health department, who post current advisories. LakeQuality does not issue swimming clearances.
Water quality measurements for Dewey Lake
These are the measurements Kentucky DOW publishes for Dewey Lake, shown as reported. The condition class beside each reading is the EPA National Lakes Assessment class for this lake’s ecoregion.
No clarity data. TSI undefined.
Ask about Dewey Lake
Answers come straight from the public measurements and survey records on this page.
Lake Details
Surface area
1,063 acres
Public access
Yes
Listed by Kentucky DOW
No bathymetric survey has been published for Dewey Lake, so its depth is not documented here.
Recreation & Access
- Jenny Wiley State Park CampgroundPublic
- Jenny Wiley State Park MarinaPublic
- Jenny Wiley State Park-Stratton BranchPublic
Named access points in the USGS National Boat Ramps inventory, within about 3 miles. More lakes with boat ramps
Public campgrounds near Dewey Lake
- Jenny Wiley State Resort Park Campground1.1 km
Nearest public campgrounds in the USGS National Map inventory, within about 3 miles. An empty list means USGS records no campground that close, which is not the same as camping being unavailable. Where the source gives an official reservation link, it is used; the cabin and hotel search does not cover campsites. More camping lakes
Stays via Stay22
Stays near Dewey Lake
Compare lakeside cabins, hotels, and vacation rentals near Dewey Lake in Floyd 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.
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Fishing Dewey Lake
EPA Impairment Status
Dewey Lake is officially listed as impaired under Clean Water Act §303(d) in the 2024 EPA reporting cycle (IR category 5).
Causes of impairment
Designated uses not supporting: Aquatic life.
Source: EPA ATTAINS assessment unit KY-637 · Official waterbody report
Nearby Lakes in Floyd County
Frequently asked questions about Dewey Lake
Where is Dewey Lake?
- Dewey Lake is a lake in Floyd County, Kentucky. Its water-quality measurements are published by Kentucky DOW and shown on this page as reported.
What is the water quality of Dewey Lake?
- Dewey Lake in Floyd County, Kentucky has water-quality measurements published by Kentucky DOW, shown here as reported. Surface area: 1063 acres.
Is Dewey Lake safe to swim in?
- Nutrient and algae readings are not a swimming clearance. Dewey Lake is listed impaired under Clean Water Act §303(d) (IR 5) for nutrients (phosphorus, nitrogen). Check local advisories before you swim.
Are there boat ramps on Dewey Lake?
- Dewey Lake has 3 documented boat landings in the USGS National Boat Ramps inventory. Named access points include Jenny Wiley State Park Campground, Jenny Wiley State Park Marina, Jenny Wiley State Park-Stratton Branch. Public access is listed as yes.
Can I fish at Dewey Lake?
- Dewey Lake has 3 documented boat landings in the USGS National Boat Ramps inventory. Seasons, size and bag limits, and whether you need a license are set by Kentucky's fish and wildlife agency, so check its current regulations before you go.
Are there campgrounds on Dewey Lake?
- Dewey Lake has 1 public campground from USGS The National Map within 5 km, including Jenny Wiley State Resort Park Campground. This is a location join, not a booking. Cabins and hotels are listed separately; campsite reservations use the official link when the source provides one.
Explore Dewey Lake across LakeQuality
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Where this data comes from
Measurements for Dewey Lake come from the EPA Water Quality Portal. Per-sample source details are not recorded for this lake.
Other records on this page
Impairment status from EPA ATTAINS 303(d) database
Named boat-access points from the USGS National Boat Ramps inventory
Public campgrounds from USGS The National Map Structures, within about 3 miles