Mullett Lake
Mullett Lake in Cheboygan County, Michigan is not rated for water quality — its monitoring record does not meet the evidence bar. Water clarity: 13 ft visibility. Maximum depth: 120 ft. Surface area: 16701.7 acres.
- Clarity
- 13 ft
- Max depth
- 120 ft
- Area
- 16,702 acres
- Public access
- Yes
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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.
Why Mullett Lake has no grade
We grade a lake only when the monitoring record supports a letter: at least three phosphorus or chlorophyll-a samples in the last ten years, scored against EPA National Lakes Assessment thresholds for this lake’s ecoregion. For Mullett Lake, the only measurement available is water clarity, which is not a water-quality indicator on its own — EPA's National Lakes Assessment does not grade clarity. Sampling here has recorded water clarity, but not phosphorus and algae (chlorophyll-a).
Not Rated is not an F. It is EPA Integrated Reporting Category 3 — insufficient information. The water here may be excellent or poor; nobody has measured enough of it to say. Everything below that has been measured is still reported on this page.
Sampling is run by EGLE and volunteer programs, and published through the EPA Water Quality Portal. Read the full grading methodology.
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 2 public boat landings.
Source: EPA Water Quality Portal sampling records, EGLE, last sampled 2022-08-24. Grade methodology: LakeQuality methodology.
Watch Mullett Lake water quality
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Mullett Lake Water Quality Report Card (2026)
A printable one-page report card for Mullett Lake: grade, clarity, phosphorus, algae, multi-year trend, depth, and fish — with sources.
Swimming Safety
Not ratedLimited data
Not rated for swimming — there is not enough monitoring data to judge this lake
Water quality measurements for Mullett Lake
These readings exist but are not enough for an A–F grade — see why.
Good clarity, visible to about 13 ft. Trophic State Index: 40.
| Metric | Value | Grade |
|---|---|---|
| Water Clarity (Secchi Depth) | 13 ft | Not graded |
| Phosphorus | No recent samples | |
| Chlorophyll-a (Algae) | No recent samples | |
| Trophic State Index (TSI) | 40 | Mesotrophic |
Moderate nutrients, good water quality
Where to stay 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
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Planning a trip? Cabins and lodging at Mullett Lake → · more Michigan lake trips
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.
Lake Details
| Characteristic | Value |
|---|---|
| Maximum Depth | 120 ft |
| Surface Area | 16,702 acres |
| Public Access | Yes |
Lake Size & Watershed
Size, shoreline, and watershed area from HydroLAKES (HydroSHEDS).
Recreation & Access
- Jewell RoadPublic
- Aloha State ParkPublic
Named access points in the USGS National Boat Ramps inventory, within about 3 miles. More lakes with boat ramps
Fish Species
Click a species to see every graded 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
A Total Maximum Daily Load (TMDL) plan has been approved.
Source: EPA ATTAINS assessment unit MI040700040403-06 · Official waterbody report
Graded lakes near Mullett Lake
Mullett Lake has no grade, but these lakes within a short drive do.
Nearby Lakes in Cheboygan County
Frequently asked questions about Mullett Lake
Where is Mullett Lake?
- Mullett Lake is a lake in Cheboygan County, Michigan. LakeQuality has not rated this lake (UNRATED) — there is not enough recent sampling to assign a letter.
What is the water quality grade for Mullett Lake?
- Mullett Lake in Cheboygan County, Michigan is not rated for water quality — its monitoring record does not meet the evidence bar. Water clarity: 13 ft visibility. Maximum depth: 120 ft. Surface area: 16701.7 acres.
Is Mullett Lake safe to swim in?
- Not rated for swimming — there is not enough monitoring data to judge this lake. Mullett Lake is not rated for water quality — its monitoring record does not meet the evidence bar. Always check local health department advisories before swimming.
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 2 documented boat landings in the USGS National Boat Ramps inventory. Named access points include Jewell Road, Aloha State Park. Public access is listed as yes.
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)
Grade thresholds from the EPA National Lakes Assessment (EPA 841-R-24-006, Table 6-3), applied by ecoregion. See how grades are calculated 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