Mann Lake
Nez Perce County, Idaho137 acresView mapDirections
No nutrient or algae sampling on record from Idaho DEQ for this lake.
Mann Lake in Nez Perce County, Idaho has water-quality measurements published by Idaho DEQ, shown here as reported. Surface area: 137 acres.
Mann Lake is a 137-acre lake in Nez Perce County, Idaho. Public access is available with 1 public boat landing.
Source: EPA Water Quality Portal sampling records, IDEQ. Methodology: how these readings are compared.
What Mann Lake is good for
From access and monitoring records, not editorial picks.
- Boat launch1 documented ramp
Swimming conditions
No readingNot rated
Nutrient and algae readings are not a swimming clearance. Check local advisories before you swim.
Whether Mann Lake is safe to swim in today is a call for the Idaho Department of Environmental Quality and the county health department, who post current advisories. LakeQuality does not issue swimming clearances.
Water quality measurements for Mann Lake
These are the measurements Idaho DEQ publishes for Mann 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. TSI undefined.
Ask about Mann Lake
Answers come straight from the public measurements and survey records on this page.
Lake Details
Surface area
137 acres
Shoreline
2 mi
No bathymetric survey has been published for Mann Lake, so its depth is not documented here.
Recreation & Access
- Mann LakeSemi-private
Named access points in the USGS National Boat Ramps inventory, within about 3 miles. More lakes with boat ramps
Stays via Stay22
Stays near Mann Lake
Compare lakeside cabins, hotels, and vacation rentals near Mann Lake in Nez Perce County, Idaho — 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 Mann Lake
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Fishing Mann Lake
Nearby Lakes in Nez Perce County
Frequently asked questions about Mann Lake
Where is Mann Lake?
- Mann Lake is a lake in Nez Perce County, Idaho. Its water-quality measurements are published by Idaho DEQ and shown on this page as reported.
What is the water quality of Mann Lake?
- Mann Lake in Nez Perce County, Idaho has water-quality measurements published by Idaho DEQ, shown here as reported. Surface area: 137 acres.
Is Mann Lake safe to swim in?
- Nutrient and algae readings are not a swimming clearance. Check local advisories before you swim.
Are there boat ramps on Mann Lake?
- Mann Lake has 1 documented boat landing in the USGS National Boat Ramps inventory. Named access points include Mann Lake.
Can I fish at Mann Lake?
- Mann Lake has 1 documented boat landing in the USGS National Boat Ramps inventory. Seasons, size and bag limits, and whether you need a license are set by Idaho's fish and wildlife agency, so check its current regulations before you go.
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Where this data comes from
Measurements for Mann Lake come from the EPA Water Quality Portal. Per-sample source details are not recorded for this lake.
Other records on this page
Named boat-access points from the USGS National Boat Ramps inventory