Mann Creek Reservoir
Washington County, Idaho230 acresView mapDirections
No nutrient or algae sampling on record from Idaho DEQ for this lake.
- 123 ft max depth
- Public access
Mann Creek Reservoir in Washington County, Idaho has water-quality measurements published by Idaho DEQ, shown here as reported. Maximum depth: 123 ft. Surface area: 230 acres.
Mann Creek Reservoir is a 230-acre lake in Washington County, Idaho with a maximum depth of 123 feet. Limited fish-species data available. 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 Creek Reservoir is good for
From access and monitoring records, not editorial picks.
- Boat launch1 documented ramp
- Camping1 public campground nearby
- Deep water123 ft surveyed max depth
Swimming conditions
No readingNot rated
Nutrient and algae readings are not a swimming clearance. Check local advisories before you swim.
Whether Mann Creek Reservoir 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 Creek Reservoir
These are the measurements Idaho DEQ publishes for Mann Creek Reservoir, 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 Creek Reservoir
Answers come straight from the public measurements and survey records on this page.
Lake Details
Max depth
123 ft
Surface area
230 acres
Shoreline
4 mi
Public access
Yes
Listed by Idaho DEQ
Recreation & Access
- Mann Creek ReservoirPublic
Named access points in the USGS National Boat Ramps inventory, within about 3 miles. More lakes with boat ramps
Public campgrounds near Mann Creek Reservoir
- Mann Creek Campground1.8 kmReserve
Nearest public campgrounds in the USGS National Map inventory, within about 3 miles. An empty list means USGS records no campground that close, which is not the same as camping being unavailable. Where the source gives an official reservation link, it is used; the cabin and hotel search does not cover campsites. More camping lakes
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Stays near Mann Creek Reservoir
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Fishing Mann Creek Reservoir
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Frequently asked questions about Mann Creek Reservoir
Where is Mann Creek Reservoir?
- Mann Creek Reservoir is a lake in Washington 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 Creek Reservoir?
- Mann Creek Reservoir in Washington County, Idaho has water-quality measurements published by Idaho DEQ, shown here as reported. Maximum depth: 123 ft. Surface area: 230 acres.
Is Mann Creek Reservoir safe to swim in?
- Nutrient and algae readings are not a swimming clearance. Check local advisories before you swim.
How deep is Mann Creek Reservoir?
- Mann Creek Reservoir has a maximum depth of 123 feet. The lake covers 230 acres.
Are there boat ramps on Mann Creek Reservoir?
- Mann Creek Reservoir has 1 documented boat landing in the USGS National Boat Ramps inventory. Named access points include Mann Creek Reservoir. Public access is listed as yes.
Can I fish at Mann Creek Reservoir?
- Mann Creek Reservoir 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.
Are there campgrounds on Mann Creek Reservoir?
- Mann Creek Reservoir has 1 public campground from USGS The National Map within 5 km, including Mann Creek Campground. This is a location join, not a booking. Cabins and hotels are listed separately; campsite reservations use the official link when the source provides one.
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Where this data comes from
Measurements for Mann Creek Reservoir 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
Public campgrounds from USGS The National Map Structures, within about 3 miles