Moquah Lake
Ashland County, Wisconsin64 acresView mapDirections
No nutrient or algae sampling on record from Wisconsin DNR for this lake.
- Impaired · Mercury
- 8 ft max depth
Moquah Lake in Ashland County, Wisconsin has water-quality measurements published by Wisconsin DNR, shown here as reported. Maximum depth: 8 ft. Surface area: 64 acres.
Moquah Lake is a 64-acre lake in Ashland County, Wisconsin with a maximum depth of 8 feet.
Source: EPA Water Quality Portal sampling records, Wisconsin DNR Surface Water. Methodology: how these readings are compared.
Swimming conditions
No readingNot rated
Nutrient and algae readings are not a swimming clearance. Moquah Lake is listed impaired under Clean Water Act §303(d) (IR 5) for mercury. Check local advisories before you swim.
Whether Moquah Lake is safe to swim in today is a call for the Wisconsin Department of Natural Resources and the county health department, who post current advisories. LakeQuality does not issue swimming clearances.
Water quality measurements for Moquah Lake
These are the measurements Wisconsin DNR publishes for Moquah 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 Moquah Lake
Answers come straight from the public measurements and survey records on this page.
DNR Reports & Resources
Wisconsin DNR Fisheries scientists publish multi-year survey reports for Moquah Lake covering fish populations, stocking, water quality, and management. 1 report on file.
These links open on the official state DNR websites (Wisconsin DNR survey PDFs · Minnesota DNR LakeFinder).
- 2024Lake Moquah shocking and netting survey, 2024Netting Survey · WI DNR · 2024 (PDF)
Lake Details
Max depth
8 ft
Surface area
64 acres
Shoreline
5.4 mi
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Fishing Moquah Lake
EPA Impairment Status
Moquah Lake is officially listed as impaired under Clean Water Act §303(d) in the 2024 EPA reporting cycle (IR category 5).
Causes of impairment
Designated uses not supporting: Fish consumption.
Source: EPA ATTAINS assessment unit WI10011361 · Official waterbody report
Nearby Lakes in Ashland County
Frequently asked questions about Moquah Lake
Where is Moquah Lake?
- Moquah Lake is a lake in Ashland County, Wisconsin. Its water-quality measurements are published by Wisconsin DNR and shown on this page as reported.
What is the water quality of Moquah Lake?
- Moquah Lake in Ashland County, Wisconsin has water-quality measurements published by Wisconsin DNR, shown here as reported. Maximum depth: 8 ft. Surface area: 64 acres.
Is Moquah Lake safe to swim in?
- Nutrient and algae readings are not a swimming clearance. Moquah Lake is listed impaired under Clean Water Act §303(d) (IR 5) for mercury. Check local advisories before you swim.
How deep is Moquah Lake?
- Moquah Lake has a maximum depth of 8 feet. The lake covers 64 acres.
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Where this data comes from
Measurements for Moquah Lake come from the EPA Water Quality Portal. Per-sample source details are not recorded for this lake.
Other records on this page
Impairment status from EPA ATTAINS 303(d) database