Skip to main content
LakeQuality

Paintsville Lake

Johnson County, Kentucky1,139 acresView mapDirections

Kentucky DOW publishes the water-quality measurements for Paintsville Lake. Here is what has been measured.

Phosphorus
19 µg/L
Measured by Kentucky DOW
Area
1,139 acres
Surface area
Type
Mesotrophic
Trophic class
Trend
Improving
2 years of samples
  • Mesotrophic
  • Impaired · Mercury
  • Limited data

Ask about Paintsville Lake

Answers come straight from the public measurements and survey records on this page.

Paintsville Lake in Johnson County, Kentucky has water-quality measurements published by Kentucky DOW, shown here as reported. Phosphorus: 19 µg/L. Surface area: 1139 acres.

Loading map…

Stays via Stay22

Stays near Paintsville Lake

Compare lakeside cabins, hotels, and vacation rentals near Paintsville Lake in Johnson 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 Paintsville Lake

Prices for Sep 18–20, 4 adults. Change dates on the map below.

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 whole trip? See where to stay at Kentucky’s top lakes →

Follow Paintsville Lake’s readings

Email me when new measurements post for this lake. Updates stay free.


Or email

Paintsville Lake is a 1,139-acre mesotrophic lake in Johnson County, Kentucky. Overall water quality is improving over recent sampling years.

Source: EPA Water Quality Portal sampling records, KY DOW, last sampled 2017-10-03. Grade methodology: LakeQuality methodology.

What Paintsville Lake is good for

From access and monitoring records, not editorial picks.

  • Big water1,139 acres

Swimming conditions

Readings only

Limited data

Based on clarity and algae readings from past sampling — there is no live water temperature and a current cyanobacteria reading for this lake. Check your state or county health department before you swim.

Nutrient and algae readings are not a swimming clearance. Paintsville Lake is listed impaired under Clean Water Act §303(d) (IR 5) for mercury. Check local advisories before you swim.

Whether Paintsville 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.

Get alerts for Paintsville Lake

Water quality measurements for Paintsville Lake

These are the measurements Kentucky DOW publishes for Paintsville 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. Phosphorus 19 µg/L. TSI 47.

MetricValueEPA condition class
Water Clarity (Secchi Depth)No recent samples
Phosphorus19 µg/LFair
Chlorophyll-a (Algae)No recent samples
Trophic State Index (TSI)47Mesotrophic

Moderate nutrients, good water quality

Lake Details

CharacteristicValue
Surface Area1,139 acres

No bathymetric survey has been published for Paintsville Lake, so its depth is not documented here.

Fishing Paintsville Lake

Based on 2 years of monitoring data (2020-2025).

MetricTrendChange/YearYears
Phosphorus Improving-2 µg/L/yr2

Reservoir Info (USACE NID)

Paintsville Lake is a man-made reservoir impounded by the Paintsville Dam (completed 1980), built primarily for flood risk reduction on the Paint Creek; rockfill-type dam, 160 ft tall and 1,600 ft long.

Surface area
1,139 ac
Normal storage
40,700 ac-ft
Max storage
73,500 ac-ft
Drainage area
93 sq mi
Hazard class
High
Owner
USACE - Huntington District

All listed purposes: Flood Risk Reduction;Other;Fish and Wildlife Pond;Recreation.

Source: USACE National Inventory of Dams, NID ID KY03066 · Operator website

EPA Impairment Status

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

Causes of impairment

Mercury

Source: EPA ATTAINS assessment unit KY-2058 · Official waterbody report

Nearby Lakes in Johnson County

Frequently asked questions about Paintsville Lake

Where is Paintsville Lake?

Paintsville Lake is a lake in Johnson County, Kentucky. Its water-quality measurements are published by Kentucky DOW and shown on this page as reported.

What is the water quality of Paintsville Lake?

Paintsville Lake in Johnson County, Kentucky has water-quality measurements published by Kentucky DOW, shown here as reported. Phosphorus: 19 µg/L. Surface area: 1139 acres.

Is Paintsville Lake safe to swim in?

Nutrient and algae readings are not a swimming clearance. Paintsville Lake is listed impaired under Clean Water Act §303(d) (IR 5) for mercury. Check local advisories before you swim.

Where this data comes from

37 measurements from 4 monitoring stations, 2012–2017. Retrieved from the EPA Water Quality Portal on 2026-08-02.

Collected and reported by

  • KY WQX21KY_WQX37 samples · 2012–2017

Analytical methods

  • Phosphorus by Colorimetry
  • Total Phosphorus After Block Digestion
Monitoring station identifiers (4)

EPA condition classes from the National Lakes Assessment (EPA 841-R-24-006, Table 6-3), applied by ecoregion. See where the data comes from and data sources.

Other records on this page

Impairment status from EPA ATTAINS 303(d) database