Marsh Lake
Gogebic County, MichiganView mapDirections
EGLE publishes the water-quality measurements for Marsh Lake. Here is what has been measured.
- Limited data
Marsh Lake in Gogebic County, Michigan has water-quality measurements published by EGLE, shown here as reported. Water clarity: 3.8 ft visibility.
Marsh Lake is a lake in Gogebic County, Michigan. Overall water quality is improving over recent sampling years.
Source: EPA Water Quality Portal sampling records, EGLE, last sampled 2017-07-13. 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 Marsh 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 Marsh Lake
These are the measurements EGLE publishes for Marsh Lake, shown as reported. The condition class beside each reading is the EPA National Lakes Assessment class for this lake’s ecoregion.
Murky, only visible to about 3.8 ft. TSI 58.
| Measure | Reading | Where it sits |
|---|---|---|
| Water clarity (Secchi depth) | 3.8ft | 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. | 58 | Eutrophic OligotrophicMesotrophicEutrophicHypereutrophic |
High nutrients, frequent algae, reduced clarity
Ask about Marsh Lake
Answers come straight from the public measurements and survey records on this page.
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Fishing Marsh Lake
Water quality readings over time
3 seasons of samples on record (2017–2023). Calling a direction takes at least 4 years of the same measurement.
Water clarity
Improving3 years
Nearby Lakes in Gogebic County
Frequently asked questions about Marsh Lake
Where is Marsh Lake?
- Marsh Lake is a lake in Gogebic County, Michigan. Its water-quality measurements are published by EGLE and shown on this page as reported.
What is the water quality of Marsh Lake?
- Marsh Lake in Gogebic County, Michigan has water-quality measurements published by EGLE, shown here as reported. Water clarity: 3.8 ft visibility.
Is Marsh Lake safe to swim in?
- Nutrient and algae readings are not a swimming clearance. Check local advisories before you swim.
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Where this data comes from
1 measurement from 1 monitoring station, 2017. Retrieved from the EPA Water Quality Portal on 2026-08-26.
Collected and reported by
- Eastern Regional Office
USFSEASTERN1 sample · 2017
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.