Silver Lake Basin
Marquette County, Michigan1,426 acresView mapDirections
No nutrient or algae sampling on record from EGLE for this lake.
- Impaired · Mercury
- 72 ft max depth
Silver Lake Basin in Marquette County, Michigan has water-quality measurements published by EGLE, shown here as reported. Maximum depth: 72 ft. Surface area: 1425.5 acres.
Water clarity at Silver Lake Basin
Moderate clarity. Across summers from 2018 to 2023, Silver Lake Basin averaged 2.01 m (7 ft) of visibility down into the water, so visibility is middling in midsummer, which is ordinary for a productive inland lake.
Nobody has taken a water sample here that we can find. Michigan's environmental agency measures clarity on lakes like this one from satellite images instead, which is why this page reports how clear the water is and no phosphorus or algae readings.
Clear is not the same as clean. A lake can be easy to see through and still carry high nutrient levels, and a naturally tea-stained lake can be perfectly healthy. The nutrient and algae readings on other lakes come from phosphorus and chlorophyll-a measured in a laboratory, and clarity alone cannot stand in for them.
The same satellite images put summer algae here at roughly 4.85 micrograms per litre. Estimating algae from orbit is far less exact than measuring clarity, so that figure is worth knowing and is not part of any rating.
Silver Lake Basin is a 1,426-acre lake in Marquette County, Michigan with a maximum depth of 72 feet (25-foot average).
Source: EPA Water Quality Portal sampling records, EGLE. Methodology: how these readings are compared.
What Silver Lake Basin is good for
From access and monitoring records, not editorial picks.
- Deep water72 ft surveyed max depth
- Big water1,426 acres
Swimming conditions
No readingNot rated
Nutrient and algae readings are not a swimming clearance. Silver Lake Basin is listed impaired under Clean Water Act §303(d) (IR 5) for mercury. Check local advisories before you swim.
Whether Silver Lake Basin 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 Silver Lake Basin
These are the measurements EGLE publishes for Silver Lake Basin, shown as reported. The condition class beside each reading is the EPA National Lakes Assessment class for this lake’s ecoregion.
No clarity data. TSI undefined.
Ask about Silver Lake Basin
Answers come straight from the public measurements and survey records on this page.
Lake Details
Max depth
72 ft
Average depth
25 ft
Surface area
1,426 acres
Shoreline
1.4 mi
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Stays near Silver Lake Basin
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Fishing Silver Lake Basin
EPA Impairment Status
Silver Lake Basin is officially listed as impaired under Clean Water Act §303(d) in the 2024 EPA reporting cycle (IR category 5).
Causes of impairment
Designated uses not supporting: Fish consumption.
A Total Maximum Daily Load (TMDL) plan has been approved.
Source: EPA ATTAINS assessment unit MI040201050201-02 · Official waterbody report
Nearby Lakes in Marquette County
Frequently asked questions about Silver Lake Basin
Where is Silver Lake Basin?
- Silver Lake Basin is a lake in Marquette County, Michigan. Its water-quality measurements are published by EGLE and shown on this page as reported.
What is the water quality of Silver Lake Basin?
- Silver Lake Basin in Marquette County, Michigan has water-quality measurements published by EGLE, shown here as reported. Maximum depth: 72 ft. Surface area: 1425.5 acres.
Is Silver Lake Basin safe to swim in?
- Nutrient and algae readings are not a swimming clearance. Silver Lake Basin is listed impaired under Clean Water Act §303(d) (IR 5) for mercury. Check local advisories before you swim.
How deep is Silver Lake Basin?
- Silver Lake Basin has a maximum depth of 72 feet and an average depth of 25 feet. The lake covers 1425.5 acres.
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Where this data comes from
Measurements for Silver Lake Basin come from the EPA Water Quality Portal. Per-sample source details are not recorded for this lake.
Other records on this page
Impairment status from EPA ATTAINS 303(d) database