Loon Lake
Oscoda County, Michigan89 acresView mapDirections
EGLE publishes the water-quality measurements for Loon Lake. Here is what has been measured.
- 50 ft max depth
- Limited data
Loon Lake in Oscoda County, Michigan has water-quality measurements published by EGLE, shown here as reported. Water clarity: 21 ft visibility. Maximum depth: 50 ft. Surface area: 88.7 acres.
Free interactive depth-contour map of Loon Lake, reaching a maximum surveyed depth of 50 ft. Toggle Depth contours to overlay the bathymetric survey lines. Contour data from Michigan DNR.
Loon Lake is a 89-acre lake in Oscoda County, Michigan with a maximum depth of 50 feet. Overall water quality is declining over recent sampling years. The lake supports 13 documented fish species including Black bullhead, Blackchin shiner, and Bluegill.
Source: EPA Water Quality Portal sampling records, EGLE, last sampled 2022-09-09. Methodology: how these readings are compared.
What Loon Lake is good for
From access and monitoring records, not editorial picks.
- Clear water21 ft of visibility
- Fishing13 species recorded
- Camping3 public campgrounds nearby
- Deep water50 ft surveyed max depth
Swimming conditions
No readingLimited data
Nutrient and algae readings are not a swimming clearance. Check local advisories before you swim.
Whether Loon 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 Loon Lake
These are the measurements EGLE publishes for Loon Lake, shown as reported. The condition class beside each reading is the EPA National Lakes Assessment class for this lake’s ecoregion.
Crystal clear, you can see 21 ft down. TSI 33.
| Measure | Reading | Where it sits |
|---|---|---|
| Water clarity (Secchi depth) | 21ft | 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. | 33 | Oligotrophic OligotrophicMesotrophicEutrophicHypereutrophic |
Low nutrients, clear water. No reading is a swimming clearance.
Ask about Loon Lake
Answers come straight from the public measurements and survey records on this page.
Lake Details
Max depth
50 ft
Surface area
89 acres
Recreation & Access
Public campgrounds near Loon Lake
Nearest public campgrounds in the USGS National Map inventory, within about 3 miles. An empty list means USGS records no campground that close, which is not the same as camping being unavailable. Where the source gives an official reservation link, it is used; the cabin and hotel search does not cover campsites. More camping lakes
Stays via Stay22
Stays near Loon Lake
Compare lakeside cabins, hotels, and vacation rentals near Loon Lake in Oscoda County, Michigan — live availability and prices for your trip. Switch the map to Satellite to see the lake and how close each stay is to the water.
Top-rated places to stay near Loon Lake
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Fish Species
Click a species to see every lake where it is documented.
Fishing Loon Lake
Water quality readings over time
2 seasons of samples on record (2019–2022). Calling a direction takes at least 4 years of the same measurement.
Water clarity
Worsening2 years
Phosphorus
Worsening+0.33 µg/L/yr2 years
Nearby Lakes in Oscoda County
Frequently asked questions about Loon Lake
Where is Loon Lake?
- Loon Lake is a lake in Oscoda County, Michigan. Its water-quality measurements are published by EGLE and shown on this page as reported.
What is the water quality of Loon Lake?
- Loon Lake in Oscoda County, Michigan has water-quality measurements published by EGLE, shown here as reported. Water clarity: 21 ft visibility. Maximum depth: 50 ft. Surface area: 88.7 acres.
Is Loon Lake safe to swim in?
- Nutrient and algae readings are not a swimming clearance. Check local advisories before you swim.
How deep is Loon Lake?
- Loon Lake has a maximum depth of 50 feet. The lake covers 88.7 acres.
What fish are in Loon Lake?
- Fish species found in Loon Lake include Black bullhead, Blackchin shiner, Bluegill, Bluntnose minnow, Central mudminnow, Green sunfish, Lake herring, Largemouth bass, Pumpkinseed, Rock bass, Western banded killifish, White sucker, Yellow perch. Loon Lake is located in Oscoda County, Michigan.
Are there campgrounds on Loon Lake?
- Loon Lake has 3 public campgrounds from USGS The National Map within 5 km, including Wagner Lake (MI), Chimney Loop Campground, Wagner Lake Recreation Area. This is a location join, not a booking. Cabins and hotels are listed separately; campsite reservations use the official link when the source provides one.
Explore Loon Lake across LakeQuality
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Where this data comes from
17 measurements from 1 monitoring station, 2019–2022. Retrieved from the EPA Water Quality Portal on 2026-08-26.
Collected and reported by
- North American Lake Management Society
NALMS17 samples · 2019–2022
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.
Other records on this page
Public campgrounds from USGS The National Map Structures, within about 3 miles