East Twin Lake
Montmorency County, Michigan820 acresView mapDirections
EGLE publishes the water-quality measurements for East Twin Lake. Here is what has been measured.
- 25 ft max depth
- Public access
- Limited data
East Twin Lake in Montmorency County, Michigan has water-quality measurements published by EGLE, shown here as reported. Water clarity: 8 ft visibility. Maximum depth: 25 ft. Surface area: 820.4 acres.
Free interactive depth-contour map of East Twin Lake, reaching a maximum surveyed depth of 25 ft. Toggle Depth contours to overlay the bathymetric survey lines. Contour data from Michigan DNR.
East Twin Lake is a 820-acre lake in Montmorency County, Michigan with a maximum depth of 25 feet. Overall water quality is declining over recent sampling years. The lake supports 7 documented fish species including Johnny darter, Largemouth bass, and Mimic shiner. Public access is available with 1 public boat landing.
Source: EPA Water Quality Portal sampling records, EGLE, last sampled 2022-09-07. Methodology: how these readings are compared.
East Twin Lake covers about 820 acres in Montmorency County. It has one public boat landing. If you are planning to stay, you can search lake houses and cabins around East Twin Lake on Vrbo, or look for a hotel room near the lake on Booking.com or Expedia.
What East Twin Lake is good for
From access and monitoring records, not editorial picks.
- Boat launch1 documented ramp
- Fishing7 species recorded
Swimming conditions
No readingLimited data
Nutrient and algae readings are not a swimming clearance. Check local advisories before you swim.
Whether East Twin 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 East Twin Lake
These are the measurements EGLE publishes for East Twin Lake, shown as reported. The condition class beside each reading is the EPA National Lakes Assessment class for this lake’s ecoregion.
Moderate clarity, visible to about 8 ft. TSI 47.
| Measure | Reading | Where it sits |
|---|---|---|
| Water clarity (Secchi depth) | 8ft | 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. | 47 | Mesotrophic OligotrophicMesotrophicEutrophicHypereutrophic |
Moderate nutrients, good water quality
Ask about East Twin Lake
Answers come straight from the public measurements and survey records on this page.
Lake Details
Max depth
25 ft
Surface area
820 acres
Public access
Yes
Listed by EGLE
Recreation & Access
- East Twin LakePublic
Named access points in the USGS National Boat Ramps inventory, within about 3 miles. More lakes with boat ramps
Stays via Stay22
Stays near East Twin Lake
Compare lakeside cabins, hotels, and vacation rentals near East Twin Lake in Montmorency 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 East Twin 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 whole trip? See where to stay at Michigan’s top lakes →
Follow East Twin Lake’s readings
Email me when new measurements post for this lake. Updates stay free.
Or email
Fish Species
Click a species to see every lake where it is documented.
Fishing East Twin Lake
Water Quality Trend: Worsening
Based on 8 years of monitoring (2016–2023).
Water clarity
Improving8 years
Phosphorus
Worsening+0.85 µg/L/yr7 years
Chlorophyll-a
Worsening+0.14 µg/L/yr7 years
Nearby Lakes in Montmorency County
Frequently asked questions about East Twin Lake
Where is East Twin Lake?
- East Twin Lake is a lake in Montmorency County, Michigan. Its water-quality measurements are published by EGLE and shown on this page as reported.
What is the water quality of East Twin Lake?
- East Twin Lake in Montmorency County, Michigan has water-quality measurements published by EGLE, shown here as reported. Water clarity: 8 ft visibility. Maximum depth: 25 ft. Surface area: 820.4 acres.
Is East Twin Lake safe to swim in?
- Nutrient and algae readings are not a swimming clearance. Check local advisories before you swim.
How deep is East Twin Lake?
- East Twin Lake has a maximum depth of 25 feet. The lake covers 820.4 acres.
What fish are in East Twin Lake?
- Fish species found in East Twin Lake include Johnny darter, Largemouth bass, Mimic shiner, Smallmouth bass, Spottail shiner, White sucker, Yellow perch. East Twin Lake is located in Montmorency County, Michigan.
Are there boat ramps on East Twin Lake?
- East Twin Lake has 1 documented boat landing in the USGS National Boat Ramps inventory. Named access points include East Twin Lake. Public access is listed as yes.
Can I fish at East Twin Lake?
- East Twin Lake has 1 documented boat landing 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 East Twin Lake across LakeQuality
Fish species and the cleanest lakes across Michigan
Fish species and best lakes in Montmorency County
Species activity outlook by water temperature and season
Where to stay at Michigan's top lakes, each with its readings
Michigan's cleanest lakes, ranked on agency measurements
More lakes in Michigan
Other Lakes in Michigan
Mesotrophic Lakes in Michigan
Where this data comes from
128 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
NALMS128 samples · 2016–2022
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
Named boat-access points from the USGS National Boat Ramps inventory