Lac de Johnson
Avoyelles County, Louisiana86 acresView mapDirections
No nutrient or algae sampling on record from LDEQ for this lake.
Lac de Johnson in Avoyelles County, Louisiana has water-quality measurements published by LDEQ, shown here as reported. Surface area: 86 acres.
Lac de Johnson is a 86-acre lake in Avoyelles County, Louisiana.
Source: EPA Water Quality Portal sampling records, your state environmental agency. Methodology: how these readings are compared.
Swimming conditions
No readingNot rated
Nutrient and algae readings are not a swimming clearance. Check local advisories before you swim.
Whether Lac de Johnson is safe to swim in today is a call for the Louisiana Department of Environmental Quality and the county health department, who post current advisories. LakeQuality does not issue swimming clearances.
Water quality measurements for Lac de Johnson
These are the measurements LDEQ publishes for Lac de Johnson, 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 Lac de Johnson
Answers come straight from the public measurements and survey records on this page.
Lake Details
Surface area
86 acres
No bathymetric survey has been published for Lac de Johnson, so its depth is not documented here.
Stays via Stay22
Stays near Lac de Johnson
Compare lakeside cabins, hotels, and vacation rentals near Lac de Johnson in Avoyelles County, Louisiana — 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 Lac de Johnson
Prices for Oct 16–18, 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.
Follow Lac de Johnson’s readings
Email me when new measurements post for this lake. Updates stay free.
Or email
Fishing Lac de Johnson
Nearby Lakes in Avoyelles County
Frequently asked questions about Lac de Johnson
Where is Lac de Johnson?
- Lac de Johnson is a lake in Avoyelles County, Louisiana. Its water-quality measurements are published by LDEQ and shown on this page as reported.
What is the water quality of Lac de Johnson?
- Lac de Johnson in Avoyelles County, Louisiana has water-quality measurements published by LDEQ, shown here as reported. Surface area: 86 acres.
Is Lac de Johnson safe to swim in?
- Nutrient and algae readings are not a swimming clearance. Check local advisories before you swim.
Explore Lac de Johnson across LakeQuality
More lakes in Louisiana
Other Lakes in Louisiana
Where this data comes from
Measurements for Lac de Johnson come from the EPA Water Quality Portal. Per-sample source details are not recorded for this lake.