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Greenwood Reservoir

Marquette County, Michigan107 acresView mapDirections

No nutrient or algae sampling on record from EGLE for this lake.

Area
107 acres
Surface area
Shoreline
3.3 mi
Measured length
  • Impaired · Mercury

Greenwood Reservoir in Marquette County, Michigan has water-quality measurements published by EGLE, shown here as reported. Surface area: 107 acres.

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Greenwood Reservoir is a 107-acre lake in Marquette County, Michigan.

Source: EPA Water Quality Portal sampling records, EGLE. Methodology: how these readings are compared.

Swimming conditions

No reading

Not rated

Nutrient and algae readings are not a swimming clearance. Greenwood Reservoir is listed impaired under Clean Water Act §303(d) (IR 4A) for mercury. Check local advisories before you swim.

Whether Greenwood Reservoir 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.

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Water quality measurements for Greenwood Reservoir

These are the measurements EGLE publishes for Greenwood Reservoir, 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.

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Answers come straight from the public measurements and survey records on this page.

Lake Details

Surface area

107 acres

Shoreline

3.3 mi

No bathymetric survey has been published for Greenwood Reservoir, so its depth is not documented here.

Stays via Stay22

Stays near Greenwood Reservoir

Compare lakeside cabins, hotels, and vacation rentals near Greenwood Reservoir in Marquette 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.

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Fishing Greenwood Reservoir

EPA Impairment Status

Greenwood Reservoir is officially listed as impaired under Clean Water Act §303(d) in the 2024 EPA reporting cycle (IR category 4A).

Causes of impairment

Mercury

Designated uses not supporting: Fish consumption.

A Total Maximum Daily Load (TMDL) plan has been approved.

Source: EPA ATTAINS assessment unit MI040301100105-02 · Official waterbody report

Nearby Lakes in Marquette County

Frequently asked questions about Greenwood Reservoir

Where is Greenwood Reservoir?

Greenwood Reservoir 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 Greenwood Reservoir?

Greenwood Reservoir in Marquette County, Michigan has water-quality measurements published by EGLE, shown here as reported. Surface area: 107 acres.

Measurements on this page ↑

Is Greenwood Reservoir safe to swim in?

Nutrient and algae readings are not a swimming clearance. Greenwood Reservoir is listed impaired under Clean Water Act §303(d) (IR 4A) for mercury. Check local advisories before you swim.

Swimming on this page ↑

Where this data comes from

Measurements for Greenwood Reservoir 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