Muskellunge Lake
Montcalm County, Michigan137 acresView mapDirections
Not Rated: one monitoring station are on record, but they measured water clarity only. LakeQuality’s A–F method grades total phosphorus, total nitrogen, chlorophyll-a, and turbidity; clarity is shown, not scored.
- 37 ft max depth
- Public access
- Limited data
Muskellunge Lake in Montcalm County, Michigan is not rated for water quality — its monitoring record does not meet the evidence bar. Water clarity: 11 ft visibility. Maximum depth: 37 ft. Surface area: 136.5 acres.
- Clarity
- 11 ft
- Max depth
- 37 ft
- Area
- 137 acres
- Trend
- → Stable
- Public access
- Yes
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Watch Muskellunge Lake’s letter
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Why Muskellunge Lake has no grade
Muskellunge Lake has monitoring on record from one station, but only water clarity was measured. LakeQuality’s A–F letter uses total phosphorus, total nitrogen, chlorophyll-a, and turbidity against EPA National Lakes Assessment condition classes. With none of those grading measurements on record, Muskellunge Lake is Not Rated — not an F. Its 11-foot median from 75 readings collected 2016–2022 is still shown as clarity, but clarity alone cannot earn a letter.
Not Rated is EPA Integrated Reporting Category 3 — insufficient information. 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.
Muskellunge Lake is a 137-acre lake in Montcalm County, Michigan with a maximum depth of 37 feet. The lake supports 12 documented fish species including Blacknose shiner, Bluegill, and Bluntnose minnow. Public access is available with 1 public boat landing.
Source: EPA Water Quality Portal sampling records, EGLE, last sampled 2022-11-26. Grade methodology: LakeQuality methodology.
What Muskellunge Lake is good for
From access and monitoring records, not editorial picks.
- Clear water11 ft of visibility
- Boat launch1 documented ramp
- Fishing12 species recorded
- Deep water37 ft surveyed max depth
Swimming Safety
Not ratedLimited data
The letter is not a swimming clearance. Check local advisories before you swim.
Water quality measurements for Muskellunge Lake
These readings exist but are not enough for an A–F grade — see why.
Good clarity, visible to about 11 ft. TSI 43.
| Metric | Value | Grade |
|---|---|---|
| Water Clarity (Secchi Depth) | 11 ft | Not graded |
| Phosphorus | No recent samples | |
| Chlorophyll-a (Algae) | No recent samples | |
| Trophic State Index (TSI) | 43 | Mesotrophic |
Moderate nutrients, good water quality
Lake Details
| Characteristic | Value |
|---|---|
| Maximum Depth | 37 ft |
| Surface Area | 137 acres |
| Public Access | Yes |
Recreation & Access
- Muskellunge LakePublic
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 Muskellunge Lake
Water Quality Trend: → Stable
Based on 7 years of monitoring data (2020-2025).
| Metric | Trend | Change/Year | Years |
|---|---|---|---|
| Water Clarity | → Stable | -0.076 m/yr | 7 |
Graded lakes near Muskellunge Lake
Muskellunge Lake has no grade, but these lakes within a short drive do.
Nearby Lakes in Montcalm County
Frequently asked questions about Muskellunge Lake
Where is Muskellunge Lake?
- Muskellunge Lake is a lake in Montcalm County, Michigan. LakeQuality has not rated this lake (UNRATED) — 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.
What is the water quality grade for Muskellunge Lake?
- Muskellunge Lake in Montcalm County, Michigan is not rated for water quality — its monitoring record does not meet the evidence bar. Water clarity: 11 ft visibility. Maximum depth: 37 ft. Surface area: 136.5 acres.
Is Muskellunge Lake safe to swim in?
- The letter is not a swimming clearance. Check local advisories before you swim.
How deep is Muskellunge Lake?
- Muskellunge Lake has a maximum depth of 37 feet. The lake covers 136.5 acres.
What fish are in Muskellunge Lake?
- Fish species found in Muskellunge Lake include Blacknose shiner, Bluegill, Bluntnose minnow, Brown bullhead, Common shiner, Iowa darter, Johnny darter, Lake herring, Largemouth bass, Northern longear sunfish, Rock bass, Smallmouth bass. Muskellunge Lake is located in Montcalm County, Michigan.
Are there boat ramps on Muskellunge Lake?
- Muskellunge Lake has 1 documented boat landing in the USGS National Boat Ramps inventory. Named access points include Muskellunge Lake. Public access is listed as yes.
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Where this data comes from
75 measurements from 1 monitoring station, 2016–2022. Retrieved from the EPA Water Quality Portal on 2026-08-26.
Collected and reported by
- North American Lake Management Society
NALMS75 samples · 2016–2022
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
Named boat-access points from the USGS National Boat Ramps inventory