Where is Sister Bayou?

Sister Bayou is a lake in Plaquemines County, Louisiana. Its water-quality measurements are published by LDEQ and shown on this page as reported.

Sister Bayou

Plaquemines County, Louisiana214 acresView map Directions

No nutrient or algae sampling on record from LDEQ for this lake.

Area

214 acres

Surface area

See the measurements Directions Where to stay

Sister Bayou in Plaquemines County, Louisiana has water-quality measurements published by LDEQ, shown here as reported. Surface area: 214 acres.

Loading map…

Sister Bayou is a 214-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 reading

Not rated

Nutrient and algae readings are not a swimming clearance. Check local advisories before you swim.

Whether Sister Bayou 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.

Get alerts for Sister Bayou →

Water quality measurements for Sister Bayou

These are the measurements LDEQ publishes for Sister Bayou, 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 Sister Bayou

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

Lake Details

Surface area

214 acres

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

Stays via Stay22

Stays near Sister Bayou

Compare lakeside cabins, hotels, and vacation rentals near Sister Bayou 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 Sister Bayou

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 Sister Bayou’s readings

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

Or email

Fishing Sister Bayou

→ Sister Bayou fishing regulations (limits, seasons, special rules)

Nearby Lakes in Plaquemines County

Branville Bay1 miView →Round Lake0.9 miView →Bay Shallow1.2 miView →Lake Cuatro Caballo1.5 miView →Lost Flat Bay2.2 miView →Pintail Flat2.1 miView →

Frequently asked questions about Sister Bayou

Where is Sister Bayou?: Sister Bayou 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 Sister Bayou?: Sister Bayou in Plaquemines County, Louisiana has water-quality measurements published by LDEQ, shown here as reported. Surface area: 214 acres.
Is Sister Bayou safe to swim in?: Nutrient and algae readings are not a swimming clearance. Check local advisories before you swim.