South Lake
Lenawee County, Michigan76 acresView mapDirections
EGLE publishes the water-quality measurements for South Lake. Here is what has been measured.
- Public access
- Limited data
South Lake in Lenawee County, Michigan has water-quality measurements published by EGLE, shown here as reported. Water clarity: 9.8 ft visibility. Surface area: 75.9 acres.
South Lake is a 76-acre lake in Lenawee County, Michigan. The lake supports 6 documented fish species including Golden redhorse, Golden shiner, and Green sunfish. Public access is available.
Source: EPA Water Quality Portal sampling records, EGLE, last sampled 2019-09-16. Methodology: how these readings are compared.
What South Lake is good for
From access and monitoring records, not editorial picks.
- Clear water9.8 ft of visibility
- Fishing6 species recorded
Swimming conditions
No readingLimited data
Nutrient and algae readings are not a swimming clearance. Check local advisories before you swim.
Whether South Lake is safe to swim in today is a call for the Michigan Department of Environment, Great Lakes, and Energy (EGLE) and the county health department, who post current advisories. LakeQuality does not issue swimming clearances.
Water quality measurements for South Lake
These are the measurements EGLE publishes for South Lake, shown as reported. The condition class beside each reading is the EPA National Lakes Assessment class for this lake’s ecoregion.
Moderate clarity, visible to about 9.8 ft. TSI 44.
| Measure | Reading | Where it sits |
|---|---|---|
| Water clarity (Secchi depth) | 9.8ft | Measured, not scored How deep a black-and-white disk stays visible from the surface. Higher is clearer. |
| Total phosphorus | No reading The nutrient that most limits algae growth in freshwater. More phosphorus, more algae potential. | |
| Chlorophyll-a (algae) | No reading The green pigment in algae — a direct measure of how much algae is in the water. | |
| Trophic state (TSI)Carlson's 0–100 index of how much algae a lake can support, from clarity, phosphorus and chlorophyll-a. | 44 | Mesotrophic OligotrophicMesotrophicEutrophicHypereutrophic |
Moderate nutrients, good water quality
Ask about South Lake
Answers come straight from the public measurements and survey records on this page.
Lake Details
Surface area
76 acres
Public access
Yes
Listed by EGLE
No bathymetric survey has been published for South Lake, so its depth is not documented here.
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Fish Species
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Fishing South Lake
Nearby Lakes in Lenawee County
Frequently asked questions about South Lake
Where is South Lake?
- South Lake is a lake in Lenawee County, Michigan. Its water-quality measurements are published by EGLE and shown on this page as reported.
What is the water quality of South Lake?
- South Lake in Lenawee County, Michigan has water-quality measurements published by EGLE, shown here as reported. Water clarity: 9.8 ft visibility. Surface area: 75.9 acres.
Is South Lake safe to swim in?
- Nutrient and algae readings are not a swimming clearance. Check local advisories before you swim.
What fish are in South Lake?
- Fish species found in South Lake include Golden redhorse, Golden shiner, Green sunfish, Lake herring, Pumpkinseed, Spotted gar. South Lake is located in Lenawee County, Michigan.
Can I fish at South Lake?
- Public access to South Lake is listed as yes on the lake record. Seasons, size and bag limits, and whether you need a license are set by Michigan's fish and wildlife agency, so check its current regulations before you go.
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Where this data comes from
18 measurements from 1 monitoring station, 2019. Retrieved from the EPA Water Quality Portal on 2026-08-26.
Collected and reported by
- North American Lake Management Society
NALMS18 samples · 2019
Monitoring station identifiers (1)
EPA condition classes from the National Lakes Assessment (EPA 841-R-24-006, Table 6-3), applied by ecoregion. See where the data comes from and data sources.