Fawn Lake
Hillsdale County, Michigan15 acresView mapDirections
EGLE publishes the water-quality measurements for Fawn Lake. Here is what has been measured.
- Limited data
Fawn Lake in Hillsdale County, Michigan has water-quality measurements published by EGLE, shown here as reported. Water clarity: 4.5 ft visibility. Phosphorus: 38 µg/L. Surface area: 15 acres.
Fawn Lake is a 15-acre lake in Hillsdale County, Michigan.
Source: EPA Water Quality Portal sampling records, EGLE, last sampled 2016-09-23. Methodology: how these readings are compared.
Swimming conditions
No readingLimited data
Nutrient and algae readings are not a swimming clearance. Check local advisories before you swim.
Whether Fawn 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 Fawn Lake
These are the measurements EGLE publishes for Fawn Lake, shown as reported. The condition class beside each reading is the EPA National Lakes Assessment class for this lake’s ecoregion.
Murky, only visible to about 4.5 ft. Phosphorus 38 µg/L. TSI 56.
| Measure | Reading | Where it sits |
|---|---|---|
| Water clarity (Secchi depth) | 4.5ft | Measured, not scored How deep a black-and-white disk stays visible from the surface. Higher is clearer. |
| Total phosphorus | 38µg/L | Measured, not scored 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. | 56 | Eutrophic OligotrophicMesotrophicEutrophicHypereutrophic |
High nutrients, frequent algae, reduced clarity
Ask about Fawn Lake
Answers come straight from the public measurements and survey records on this page.
Lake Details
Surface area
15 acres
No bathymetric survey has been published for Fawn Lake, so its depth is not documented here.
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Fishing Fawn Lake
Reservoir Info (USACE NID)
Fawn Lake is a man-made reservoir impounded by the Manitou Properties Dam 1 (completed 1972), built primarily for recreation on the Tributary to Lime Creek; earth-type dam, 14 ft tall and 1,150 ft long.
- Surface area
- 15 ac
- Normal storage
- 30 ac-ft
- Max storage
- 97 ac-ft
- Drainage area
- 0.18 sq mi
- Hazard class
- Low
- Owner
- Manitou Waters Association
Source: USACE National Inventory of Dams, NID ID MI00662 · Operator website · Matched by proximity (0.12 km)
Nearby Lakes in Hillsdale County
Frequently asked questions about Fawn Lake
Where is Fawn Lake?
- Fawn Lake is a lake in Hillsdale County, Michigan. Its water-quality measurements are published by EGLE and shown on this page as reported.
What is the water quality of Fawn Lake?
- Fawn Lake in Hillsdale County, Michigan has water-quality measurements published by EGLE, shown here as reported. Water clarity: 4.5 ft visibility. Phosphorus: 38 µg/L. Surface area: 15 acres.
Is Fawn 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
18 measurements from 1 monitoring station, 2016. Retrieved from the EPA Water Quality Portal on 2026-08-26.
Collected and reported by
- Michigan EGLE - MiCorps
21MICH_MICORPS18 samples · 2016
Analytical methods
- Phosphorus by Colorimetry
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.