Third Bay
Plaquemines County, Louisiana310 acresView mapDirections
No nutrient or algae sampling on record from LDEQ for this lake.
Third Bay in Plaquemines County, Louisiana has water-quality measurements published by LDEQ, shown here as reported. Surface area: 310 acres.
Third Bay is a 310-acre lake in Plaquemines 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 Third Bay 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 Third Bay
These are the measurements LDEQ publishes for Third Bay, 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 Third Bay
Answers come straight from the public measurements and survey records on this page.
Lake Details
Surface area
310 acres
No bathymetric survey has been published for Third Bay, so its depth is not documented here.
Stays via Stay22
Stays near Third Bay
Compare lakeside cabins, hotels, and vacation rentals near Third Bay in Plaquemines 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 Third Bay
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 Third Bay’s readings
Email me when new measurements post for this lake. Updates stay free.
Or email
Fishing Third Bay
Nearby Lakes in Plaquemines County
Frequently asked questions about Third Bay
Where is Third Bay?
- Third Bay is a lake in Plaquemines County, Louisiana. Its water-quality measurements are published by LDEQ and shown on this page as reported.
What is the water quality of Third Bay?
- Third Bay in Plaquemines County, Louisiana has water-quality measurements published by LDEQ, shown here as reported. Surface area: 310 acres.
Is Third Bay safe to swim in?
- Nutrient and algae readings are not a swimming clearance. Check local advisories before you swim.
Explore Third Bay across LakeQuality
More lakes in Louisiana
Other Lakes in Louisiana
Where this data comes from
Measurements for Third Bay come from the EPA Water Quality Portal. Per-sample source details are not recorded for this lake.