Heffner Lake
McHenry County, North Dakota136 acresView mapDirections
No nutrient or algae sampling on record from ND DEQ for this lake.
Heffner Lake in McHenry County, North Dakota has water-quality measurements published by ND DEQ, shown here as reported. Surface area: 136 acres.
Heffner Lake is a 136-acre lake in McHenry County, North Dakota.
Source: EPA Water Quality Portal sampling records, NDDEQ. Methodology: how these readings are compared.
Swimming conditions
No readingNot rated
Nutrient and algae readings are not a swimming clearance. Check local advisories before you swim.
Whether Heffner Lake 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.
Water quality measurements for Heffner Lake
These are the measurements ND DEQ publishes for Heffner 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 Heffner Lake
Answers come straight from the public measurements and survey records on this page.
Lake Details
Surface area
136 acres
Shoreline
2.6 mi
No bathymetric survey has been published for Heffner Lake, so its depth is not documented here.
Stays via Stay22
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Fishing Heffner Lake
Nearby Lakes in McHenry County
Frequently asked questions about Heffner Lake
Where is Heffner Lake?
- Heffner Lake is a lake in McHenry 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 Heffner Lake?
- Heffner Lake in McHenry County, North Dakota has water-quality measurements published by ND DEQ, shown here as reported. Surface area: 136 acres.
Is Heffner Lake safe to swim in?
- Nutrient and algae readings are not a swimming clearance. Check local advisories before you swim.
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Where this data comes from
Measurements for Heffner Lake come from the EPA Water Quality Portal. Per-sample source details are not recorded for this lake.
Other records on this page
Depth, fish, and access data from North Dakota Game & Fish