Lake Mann is a lake in Sargent County, North Dakota. Its water-quality measurements are published by ND DEQ and shown on this page as reported.

Lake Mann

Sargent County, North Dakota45 acresView map Directions

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

Area

45 acres

Surface area

Shoreline

1.3 mi

Measured length

See the measurements Directions Where to stay

Lake Mann in Sargent County, North Dakota has water-quality measurements published by ND DEQ, shown here as reported. Surface area: 45 acres.

Loading map…

Lake Mann is a 45-acre lake in Sargent County, North Dakota.

Source: EPA Water Quality Portal sampling records, NDDEQ. 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 Lake Mann is safe to swim in today is a call for the North Dakota Department of Environmental Quality and the county health department, who post current advisories. LakeQuality does not issue swimming clearances.

Compare swimming lakes near Fargo →

Get alerts for Lake Mann →

Water quality measurements for Lake Mann

These are the measurements ND DEQ publishes for Lake Mann, 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 Lake Mann

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

Lake Details

Surface area

45 acres

Shoreline

1.3 mi

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

Stays via Stay22

Stays near Lake Mann

Compare lakeside cabins, hotels, and vacation rentals near Lake Mann in Sargent County, North Dakota — 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 Lake Mann

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.

Planning a whole trip? See where to stay at North Dakota’s top lakes →

Follow Lake Mann’s readings

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

Or email

Fishing Lake Mann

→ Lake Mann fishing regulations (limits, seasons, special rules)

Nearby Lakes in Sargent County

Sprague Lake1.6 ft clear0.5 miView →Silver Lake5.9 ft clear1.8 miView →Clouds Lake4.6 miView →Kandiotta Lake8.5 miView →White Lake7 miView →Alkali Lake4.6 ft clear7.2 miView →

Frequently asked questions about Lake Mann

Where is Lake Mann?: Lake Mann is a lake in Sargent County, North Dakota. Its water-quality measurements are published by ND DEQ and shown on this page as reported.
What is the water quality of Lake Mann?: Lake Mann in Sargent County, North Dakota has water-quality measurements published by ND DEQ, shown here as reported. Surface area: 45 acres.
Is Lake Mann safe to swim in?: Nutrient and algae readings are not a swimming clearance. Check local advisories before you swim.