Walloon Lake
Emmet County, Michigan4,577 acresView mapDirections
EGLE publishes the water-quality measurements for Walloon Lake. Here is what has been measured.
- Oligotrophic
- Limited data
Walloon Lake in Emmet County, Michigan has water-quality measurements published by EGLE, shown here as reported. Phosphorus: 6.5 µg/L. Surface area: 4576.8 acres.
Walloon Lake is a 4,577-acre cold, clear oligotrophic lake in Emmet County, Michigan. The lake supports 20 documented fish species including Black crappie, Blacknose shiner, and Bluegill. Compared to the 3 other monitored lakes in Emmet County, Walloon Lake ranks #4 for water quality.
Source: EPA Water Quality Portal sampling records, EGLE, last sampled 2022-02-17. Methodology: how these readings are compared.
Walloon Lake covers about 4,600 acres in Emmet County. Vrbo is where to look for cabins and lake homes around Walloon Lake, and Booking.com and Expedia search hotels near the lake for your dates.
What Walloon Lake is good for
From access and monitoring records, not editorial picks.
- Fishing20 species recorded
- Big water4,577 acres
Swimming conditions
Readings onlyLimited data
Based on clarity and algae readings from past sampling — there is no live water temperature and a current cyanobacteria reading for this lake. Check your state or county health department before you swim.
Nutrient and algae readings are not a swimming clearance. Check local advisories before you swim.
Whether Walloon 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 Walloon Lake
These are the measurements EGLE publishes for Walloon 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. Phosphorus 6.5 µg/L. TSI 31.
| Measure | Reading | Where it sits |
|---|---|---|
| Water clarity (Secchi depth) | No reading How deep a black-and-white disk stays visible from the surface. Higher is clearer. | |
| Total phosphorus | 6.5µg/L | Good GoodFairPoor |
| 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. | 31 | Oligotrophic OligotrophicMesotrophicEutrophicHypereutrophic |
Low nutrients, clear water. No reading is a swimming clearance.
Ask about Walloon Lake
Answers come straight from the public measurements and survey records on this page.
Lake Details
Surface area
4,577 acres
No bathymetric survey has been published for Walloon Lake, so its depth is not documented here.
Stays via Stay22
Stays near Walloon Lake
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Top-rated places to stay near Walloon Lake
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Fish Species
Click a species to see every lake where it is documented.
Fishing Walloon Lake
Regulated Pollution Sources Nearby
2 EPA-permitted facilities operate within about 5 miles of Walloon Lake under Clean Water Act (NPDES) discharge permits. 2 facilities have a reported Clean Water Act violation in the past three years.
- Manthei-PetoskeyPetoskey · 3.4 mi away · NPDES MI0046957Recent violation
- Petoskey PlasticsPetoskey · 3.7 mi away · NPDES MIG250469Recent violation
Facilities permitted to discharge under the Clean Water Act within ~5 miles; proximity does not by itself mean a facility affects this lake. Source: EPA ECHO (ICIS-NPDES), as of 2026-07.
Nearby Lakes in Emmet County
Frequently asked questions about Walloon Lake
Where is Walloon Lake?
- Walloon Lake is a lake in Emmet County, Michigan. Its water-quality measurements are published by EGLE and shown on this page as reported.
What is the water quality of Walloon Lake?
- Walloon Lake in Emmet County, Michigan has water-quality measurements published by EGLE, shown here as reported. Phosphorus: 6.5 µg/L. Surface area: 4576.8 acres.
Is Walloon Lake safe to swim in?
- Nutrient and algae readings are not a swimming clearance. Check local advisories before you swim.
What fish are in Walloon Lake?
- Fish species found in Walloon Lake include Black crappie, Blacknose shiner, Bluegill, Bluntnose minnow, Brown bullhead, Central mudminnow, Common shiner, Iowa darter, Lake herring, Largemouth bass, Mimic shiner, Northern pike, Pumpkinseed, Rainbow smelt, Rock bass, Sand shiner, Smallmouth bass, Western banded killifish, White sucker, Yellow perch. Walloon Lake is located in Emmet County, Michigan.
Explore Walloon Lake across LakeQuality
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Where this data comes from
29 measurements from 3 monitoring stations, 2019–2022. Retrieved from the EPA Water Quality Portal on 2026-08-26.
Collected and reported by
- Little Traverse Bay Bands of Odawa Indians
LTBBWATR_WQX29 samples · 2019–2022
Analytical methods
- Total Phosphorus After Block Digestion
- 4500 P F ~ Phosphorus in Water by Colorimetry Automated Ascorbic Acid Method
- 10200 H ~ Chlorophyll a-b-c Determination
Monitoring station identifiers (3)
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
Regulated discharger data from EPA ECHO (ICIS-NPDES)