Little Maggie Lake
Iron County, MichiganView mapDirections
EGLE publishes the water-quality measurements for Little Maggie Lake. Here is what has been measured.
- Mesotrophic
- Limited data
Little Maggie Lake in Iron County, Michigan has water-quality measurements published by EGLE, shown here as reported. Water clarity: 12.3 ft visibility. Phosphorus: 16 µg/L. Chlorophyll-a (algae): 3.6 µg/L.
Free interactive depth-contour map of Little Maggie Lake, reaching a maximum surveyed depth of 30 ft. Toggle Depth contours to overlay the bathymetric survey lines. Contour data from Michigan DNR.
Little Maggie Lake is a mesotrophic lake in Iron County, Michigan. Overall water quality is improving over recent sampling years. Compared to the 20 other monitored lakes in Iron County, Little Maggie Lake ranks #7 for water quality.
Source: EPA Water Quality Portal sampling records, EGLE, last sampled 2023-09-05. Methodology: how these readings are compared.
What Little Maggie Lake is good for
From access and monitoring records, not editorial picks.
- Clear water12.3 ft of visibility
Swimming conditions
Readings onlyLimited data
Based on clarity and algae readings from past sampling — there is no live water temperature and a current cyanobacteria reading for this lake. Check your state or county health department before you swim.
Nutrient and algae readings are not a swimming clearance. Check local advisories before you swim.
Whether Little Maggie 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 Maggie Lake
These are the measurements EGLE publishes for Little Maggie Lake, shown as reported. The condition class beside each reading is the EPA National Lakes Assessment class for this lake’s ecoregion.
Good clarity, visible to about 12.3 ft. Phosphorus 16 µg/L. Chlorophyll-a 3.6 µg/L. TSI 43.
| Measure | Reading | Where it sits |
|---|---|---|
| Water clarity (Secchi depth) | 12.3ft | Measured, not scored How deep a black-and-white disk stays visible from the surface. Higher is clearer. |
| Total phosphorus | 16µg/L | Measured, not scored The nutrient that most limits algae growth in freshwater. More phosphorus, more algae potential. |
| Chlorophyll-a (algae) | 3.6µg/L | Good GoodFairPoor |
| Trophic state (TSI)Carlson's 0–100 index of how much algae a lake can support, from clarity, phosphorus and chlorophyll-a. | 43 | Mesotrophic OligotrophicMesotrophicEutrophicHypereutrophic |
Moderate nutrients, good water quality
Ask about Little Maggie Lake
Answers come straight from the public measurements and survey records on this page.
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Stays near Little Maggie Lake
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Fishing Little Maggie Lake
Water Quality Trend: Improving
Based on 7 years of monitoring (2016–2023).
Water clarity
Improving5 years
Phosphorus
Improving-0.96 µg/L/yr7 years
Chlorophyll-a
Stable-0.09 µg/L/yr7 years
Nearby Lakes in Iron County
Frequently asked questions about Little Maggie Lake
Where is Little Maggie Lake?
- Little Maggie Lake is a lake in Iron County, Michigan. Its water-quality measurements are published by EGLE and shown on this page as reported.
What is the water quality of Little Maggie Lake?
- Little Maggie Lake in Iron County, Michigan has water-quality measurements published by EGLE, shown here as reported. Water clarity: 12.3 ft visibility. Phosphorus: 16 µg/L. Chlorophyll-a (algae): 3.6 µg/L.
Is Little Maggie Lake safe to swim in?
- Nutrient and algae readings are not a swimming clearance. Check local advisories before you swim.
Explore Little Maggie Lake across LakeQuality
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Where this data comes from
24 measurements from 1 monitoring station, 2016–2023. Retrieved from the EPA Water Quality Portal on 2026-08-26.
Collected and reported by
- Michigan EGLE - MiCorps
21MICH_MICORPS24 samples · 2016–2023
Analytical methods
- Phosphorus by Colorimetry
- 445.0 ~ EPA; Chlorophyll and Pheophytin in Algae by Fluorescence
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.