Twin Lake
Kalkaska County, Michigan209 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.
- 80 ft max depth
- Public access
- Limited data
Twin Lake in Kalkaska County, Michigan is not rated for water quality — its monitoring record does not meet the evidence bar. Water clarity: 23 ft visibility. Maximum depth: 80 ft. Surface area: 209.2 acres.
- Clarity
- 23 ft
- Max depth
- 80 ft
- Area
- 209 acres
- Trend
- ↑ Improving
- Public access
- Yes
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Watch Twin Lake’s letter
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Free interactive depth-contour map of Twin Lake, reaching a maximum surveyed depth of 80 ft. Toggle Depth contours to overlay the bathymetric survey lines. Contour data from Michigan DNR.
Why Twin Lake has no grade
Twin 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, Twin Lake is Not Rated — not an F. Its 23-foot median from 89 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.
Twin Lake is a 209-acre lake in Kalkaska County, Michigan with a maximum depth of 80 feet. Overall water quality is improving over recent sampling years. The lake supports 13 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 2022-09-10. Grade methodology: LakeQuality methodology.
What Twin Lake is good for
From access and monitoring records, not editorial picks.
- Clear water23 ft of visibility
- Boat launch1 documented ramp
- Fishing13 species recorded
- Deep water80 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 Twin Lake
These readings exist but are not enough for an A–F grade — see why.
Crystal clear, you can see 23 ft down. TSI 32.
| Metric | Value | Grade |
|---|---|---|
| Water Clarity (Secchi Depth) | 23 ft | Not graded |
| Phosphorus | No recent samples | |
| Chlorophyll-a (Algae) | No recent samples | |
| Trophic State Index (TSI) | 32 | Oligotrophic |
Low nutrients, clear water. The letter is not a swimming clearance.
Lake Details
| Characteristic | Value |
|---|---|
| Maximum Depth | 80 ft |
| Surface Area | 209 acres |
| Public Access | Yes |
Recreation & Access
- Twin 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 Twin Lake
Water Quality Trend: ↑ Improving
Based on 7 years of monitoring data (2020-2025).
| Metric | Trend | Change/Year | Years |
|---|---|---|---|
| Water Clarity | ↑ Improving | +0.986 m/yr | 7 |
| Phosphorus | ↑ Improving | -0.32 µg/L/yr | 7 |
| Chlorophyll-a | ↓ Declining | +0.17 µg/L/yr | 7 |
Graded lakes near Twin Lake
Twin Lake has no grade, but these lakes within a short drive do.
Nearby Lakes in Kalkaska County
Frequently asked questions about Twin Lake
Where is Twin Lake?
- Twin Lake is a lake in Kalkaska 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 Twin Lake?
- Twin Lake in Kalkaska County, Michigan is not rated for water quality — its monitoring record does not meet the evidence bar. Water clarity: 23 ft visibility. Maximum depth: 80 ft. Surface area: 209.2 acres.
Is Twin Lake safe to swim in?
- The letter is not a swimming clearance. Check local advisories before you swim.
How deep is Twin Lake?
- Twin Lake has a maximum depth of 80 feet. The lake covers 209.2 acres.
What fish are in Twin Lake?
- Fish species found in Twin Lake include Blacknose shiner, Bluegill, Bluntnose minnow, Brown bullhead, Central mudminnow, Golden shiner, Grass pickerel, Lake chubsucker, Largemouth bass, Northern pike, Pumpkinseed, Yellow bullhead, Yellow perch. Twin Lake is located in Kalkaska County, Michigan.
Are there boat ramps on Twin Lake?
- Twin Lake has 1 documented boat landing in the USGS National Boat Ramps inventory. Named access points include Twin Lake. Public access is listed as yes.
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Where this data comes from
89 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
NALMS89 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