South Heron Lake
Jackson County, Minnesota2,670 acresView mapDirections
No nutrient or algae sampling on record from Minnesota PCA for this lake.
- Impaired · Nutrients (phosphorus, nitrogen)
- 10 ft max depth
- Public access
South Heron Lake in Jackson County, Minnesota has water-quality measurements published by Minnesota PCA, shown here as reported. Maximum depth: 10.4 ft. Surface area: 2670 acres.
South Heron Lake is a 2,670-acre lake in Jackson County, Minnesota with a maximum depth of 10 feet. Limited fish-species data available. Public access is available with 1 public boat landing.
Source: EPA Water Quality Portal sampling records, Minnesota DNR LakeFinder. Methodology: how these readings are compared.
What South Heron Lake is good for
From access and monitoring records, not editorial picks.
- Boat launch1 documented ramp
- Big water2,670 acres
Swimming conditions
No readingRecreation use not supported
Nutrient and algae readings are not a swimming clearance. South Heron Lake is listed impaired under Clean Water Act §303(d) (IR 4A) for nutrients (phosphorus, nitrogen). Check local advisories before you swim.
Whether South Heron Lake is safe to swim in today is a call for the Minnesota Pollution Control Agency and the Minnesota DNR and the county health department, who post current advisories. LakeQuality does not issue swimming clearances.
Water quality measurements for South Heron Lake
These are the measurements Minnesota PCA publishes for South Heron 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 South Heron Lake
Answers come straight from the public measurements and survey records on this page.
Lake Details
Max depth
10.4 ft
Surface area
2,670 acres
Shoreline
14.8 mi
Public access
Yes
Listed by Minnesota PCA
Recreation & Access
- South Heron Lake (West)Public
Named access points in the USGS National Boat Ramps inventory, within about 3 miles. More lakes with boat ramps
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Stays near South Heron Lake
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Fishing South Heron Lake
EPA Impairment Status
South Heron Lake is officially listed as impaired under Clean Water Act §303(d) in the 2024 EPA reporting cycle (IR category 4A).
Causes of impairment
Designated uses not supporting: Recreation.
A Total Maximum Daily Load (TMDL) plan has been approved.
Source: EPA ATTAINS assessment unit MN32-0057-07 · Official waterbody report
Nearby Lakes in Jackson County
Frequently asked questions about South Heron Lake
Where is South Heron Lake?
- South Heron Lake is a lake in Jackson County, Minnesota. Its water-quality measurements are published by Minnesota PCA and shown on this page as reported.
What is the water quality of South Heron Lake?
- South Heron Lake in Jackson County, Minnesota has water-quality measurements published by Minnesota PCA, shown here as reported. Maximum depth: 10.4 ft. Surface area: 2670 acres.
Is South Heron Lake safe to swim in?
- Nutrient and algae readings are not a swimming clearance. South Heron Lake is listed impaired under Clean Water Act §303(d) (IR 4A) for nutrients (phosphorus, nitrogen). Check local advisories before you swim.
How deep is South Heron Lake?
- South Heron Lake has a maximum depth of 10.4 feet. The lake covers 2670 acres.
Are there boat ramps on South Heron Lake?
- South Heron Lake has 1 documented boat landing in the USGS National Boat Ramps inventory. Named access points include South Heron Lake (West). Public access is listed as yes.
Can I fish at South Heron Lake?
- South Heron 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 Minnesota's fish and wildlife agency, so check its current regulations before you go.
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Where this data comes from
Measurements for South Heron 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
Lake details from Minnesota DNR LakeFinder
Named boat-access points from the USGS National Boat Ramps inventory