Mullett Lake
Cheboygan County, Michigan16,702 acresView mapDirections
EGLE publishes the water-quality measurements for Mullett Lake. Here is what has been measured.
- Impaired · Mercury
- 120 ft max depth
- Public access
- Limited data
Mullett Lake in Cheboygan County, Michigan has water-quality measurements published by EGLE, shown here as reported. Water clarity: 13 ft visibility. Maximum depth: 120 ft. Surface area: 16701.7 acres.
Free interactive depth-contour map of Mullett Lake, reaching a maximum surveyed depth of 120 ft. Toggle Depth contours to overlay the bathymetric survey lines. Contour data from Michigan DNR.
Mullett Lake is a 16,702-acre lake in Cheboygan County, Michigan with a maximum depth of 120 feet. The lake supports 23 documented fish species including Alewife, Blackchin shiner, and Blacknose shiner. Public access is available with 3 public boat landings.
Source: EPA Water Quality Portal sampling records, EGLE, last sampled 2022-08-24. Methodology: how these readings are compared.
At about 17,000 acres, Mullett Lake is large enough that where you stay decides which shore you see most of. It has 3 public boat landings, so a lakefront rental is not the only way to get a boat on the water. For a place on the water, look through cabin and lake-house rentals near Mullett Lake on Vrbo. For a hotel or motel room, Booking.com and Expedia both search around the lake.
What Mullett Lake is good for
From access and monitoring records, not editorial picks.
- Clear water13 ft of visibility
- Boat launch3 documented ramps
- Fishing23 species recorded
- Deep water120 ft surveyed max depth
- Big water16,702 acres
Mullett Lake Water Quality Summary (2026)
A printable one-page summary for Mullett Lake: clarity, phosphorus, algae, multi-year trend, depth, and fish — with sources.
Swimming conditions
No readingLimited data
Nutrient and algae readings are not a swimming clearance. Mullett Lake is listed impaired under Clean Water Act §303(d) (IR 4A) for mercury. Check local advisories before you swim.
Whether Mullett 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 Mullett Lake
These are the measurements EGLE publishes for Mullett Lake, shown as reported. The condition class beside each reading is the EPA National Lakes Assessment class for this lake’s ecoregion.
Good clarity, visible to about 13 ft. TSI 40.
| Measure | Reading | Where it sits |
|---|---|---|
| Water clarity (Secchi depth) | 13ft | 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. | 40 | Mesotrophic OligotrophicMesotrophicEutrophicHypereutrophic |
Moderate nutrients, good water quality
Ask about Mullett Lake
Answers come straight from the public measurements and survey records on this page.
Current Conditions
USGS snapshot Jul 6, 2026, 5:15 AM from gauge 04129950 (Mullett Lake at Outlet Near Cheboygan, MI). Station page ↗ — a live reading replaces this snapshot when the gauge responds. Missing live data is not an all-clear.
→ Mullett Lake water level: the live USGS gauge reading
Lake Details
Max depth
120 ft
Surface area
16,702 acres
Public access
Yes
Listed by EGLE
Lake Size & Watershed
Watershed (drainage) area
879 sq mi
HydroLAKES / HydroSHEDS
Shoreline
36.6 mi
HydroLAKES / HydroSHEDS
Elevation
574 ft
Size, shoreline, and watershed area from HydroLAKES (HydroSHEDS).
Recreation & Access
- Jewell RoadPublic
- Aloha State ParkPublic
- Mullett Lake VillagePublic
Named access points in the USGS National Boat Ramps inventory, within about 3 miles. More lakes with boat ramps
Stays via Stay22
Stays near Mullett Lake
Compare lakeside cabins, hotels, and vacation rentals near Mullett Lake in Cheboygan 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 Mullett Lake
Prices for Oct 23–25, 4 adults. Change dates on the map below.
Availability and prices from Stay22 partners (Booking.com, Vrbo, Expedia). We may earn a commission from bookings, at no extra cost to you.
Planning a trip? Cabins and lodging at Mullett Lake → · more Michigan lake trips
Follow Mullett Lake’s readings
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Fish Species
Click a species to see every lake where it is documented.
Fishing Mullett Lake
EPA Impairment Status
Mullett 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: Fish consumption.
A Total Maximum Daily Load (TMDL) plan has been approved.
Source: EPA ATTAINS assessment unit MI040700040403-06 · Official waterbody report
Nearby Lakes in Cheboygan County
Frequently asked questions about Mullett Lake
Where is Mullett Lake?
- Mullett Lake is a lake in Cheboygan County, Michigan. Its water-quality measurements are published by EGLE and shown on this page as reported.
What is the water quality of Mullett Lake?
- Mullett Lake in Cheboygan County, Michigan has water-quality measurements published by EGLE, shown here as reported. Water clarity: 13 ft visibility. Maximum depth: 120 ft. Surface area: 16701.7 acres.
Is Mullett Lake safe to swim in?
- Nutrient and algae readings are not a swimming clearance. Mullett Lake is listed impaired under Clean Water Act §303(d) (IR 4A) for mercury. Check local advisories before you swim.
How deep is Mullett Lake?
- Mullett Lake has a maximum depth of 120 feet. The lake covers 16701.7 acres.
What fish are in Mullett Lake?
- Fish species found in Mullett Lake include Alewife, Blackchin shiner, Blacknose shiner, Bluntnose minnow, Common shiner, Creek chub, Iowa darter, Johnny darter, Lake herring, Lake sturgeon, Largemouth bass, Mimic shiner, Mottled sculpin, Northern logperch, Northern longear sunfish, Northern pike, Pumpkinseed, Rock bass, Sand shiner, Smallmouth bass, Western banded killifish, White sucker, Yellow perch. Mullett Lake is located in Cheboygan County, Michigan.
What is the water level at Mullett Lake?
- The USGS snapshot on this page for Mullett Lake is 593.46 ft of water-surface elevation, recorded Jul 6, 2026, 5:15 AM at gauge 04129950. Current Conditions hydrates a live NWIS reading from that same station when the gauge responds. A missed live fetch is not an all-clear.
Are there boat ramps on Mullett Lake?
- Mullett Lake has 3 documented boat landings in the USGS National Boat Ramps inventory. Named access points include Jewell Road, Aloha State Park, Mullett Lake Village. Public access is listed as yes.
Can I fish at Mullett Lake?
- Mullett Lake has 3 documented boat landings in the USGS National Boat Ramps inventory. 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.
Explore Mullett Lake across LakeQuality
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Where this data comes from
13 measurements from 1 monitoring station, 2022. Retrieved from the EPA Water Quality Portal on 2026-08-26.
Collected and reported by
- North American Lake Management Society
NALMS13 samples · 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
Impairment status from EPA ATTAINS 303(d) database
Lake size & watershed from HydroLAKES (HydroSHEDS)
Named boat-access points from the USGS National Boat Ramps inventory