Little Island Lake
Iosco County, Michigan57 acresView mapDirections
EGLE publishes the water-quality measurements for Little Island Lake. Here is what has been measured.
- 9 ft max depth
- Public access
- Limited data
Little Island Lake in Iosco County, Michigan has water-quality measurements published by EGLE, shown here as reported. Water clarity: 7 ft visibility. Maximum depth: 9 ft. Surface area: 57.1 acres.
Little Island Lake is a 57-acre lake in Iosco County, Michigan with a maximum depth of 9 feet. Overall water quality is improving over recent sampling years. The lake supports 1 documented fish species including Emerald shiner. Public access is available.
Source: EPA Water Quality Portal sampling records, EGLE, last sampled 2018-09-09. Methodology: how these readings are compared.
Swimming conditions
No readingLimited data
Nutrient and algae readings are not a swimming clearance. Check local advisories before you swim.
Whether Little Island 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 Little Island Lake
These are the measurements EGLE publishes for Little Island 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 7 ft. TSI 49.
| Measure | Reading | Where it sits |
|---|---|---|
| Water clarity (Secchi depth) | 7ft | 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. | 49 | Mesotrophic OligotrophicMesotrophicEutrophicHypereutrophic |
Moderate nutrients, good water quality
Ask about Little Island Lake
Answers come straight from the public measurements and survey records on this page.
Lake Details
Max depth
9 ft
Surface area
57 acres
Public access
Yes
Listed by EGLE
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Fish Species
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Fishing Little Island Lake
Water quality readings over time
3 seasons of samples on record (2016–2018). Calling a direction takes at least 4 years of the same measurement.
Water clarity
Improving3 years
Phosphorus
Improving-4 µg/L/yr2 years
Chlorophyll-a
Worsening+1.8 µg/L/yr3 years
Nearby Lakes in Iosco County
Frequently asked questions about Little Island Lake
Where is Little Island Lake?
- Little Island Lake is a lake in Iosco County, Michigan. Its water-quality measurements are published by EGLE and shown on this page as reported.
What is the water quality of Little Island Lake?
- Little Island Lake in Iosco County, Michigan has water-quality measurements published by EGLE, shown here as reported. Water clarity: 7 ft visibility. Maximum depth: 9 ft. Surface area: 57.1 acres.
Is Little Island Lake safe to swim in?
- Nutrient and algae readings are not a swimming clearance. Check local advisories before you swim.
How deep is Little Island Lake?
- Little Island Lake has a maximum depth of 9 feet. The lake covers 57.1 acres.
What fish are in Little Island Lake?
- Fish species found in Little Island Lake include Emerald shiner. Little Island Lake is located in Iosco County, Michigan.
Can I fish at Little Island Lake?
- Public access to Little Island Lake is listed as yes on the lake record. 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.
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Where this data comes from
53 measurements from 1 monitoring station, 2016–2018. Retrieved from the EPA Water Quality Portal on 2026-08-26.
Collected and reported by
- North American Lake Management Society
NALMS53 samples · 2016–2018
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.