Cisco Lake
Gogebic County, Michigan723 acresView mapDirections
EGLE publishes the water-quality measurements for Cisco Lake. Here is what has been measured.
- Eutrophic
- Impaired · Mercury
- 20 ft max depth
- Public access
- Limited data
Cisco Lake in Gogebic County, Michigan has water-quality measurements published by EGLE, shown here as reported. Water clarity: 7 ft visibility. Phosphorus: 33 µg/L. Maximum depth: 20 ft. Surface area: 723 acres.
Cisco Lake is a 723-acre productive, nutrient-rich eutrophic lake in Gogebic County, Michigan with a maximum depth of 20 feet. Overall water quality is improving over recent sampling years. Limited fish-species data available. Public access is available. Compared to the 20 other monitored lakes in Gogebic County, Cisco Lake ranks #14 for water quality.
Source: EPA Water Quality Portal sampling records, EGLE, last sampled 2023-09-13. Methodology: how these readings are compared.
Cisco Lake covers about 720 acres in Gogebic County. Vrbo is where to look for cabins and lake homes around Cisco Lake, and Booking.com and Expedia search hotels near the lake for your dates.
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. Cisco Lake is listed impaired under Clean Water Act §303(d) (IR 4A) for mercury. Check local advisories before you swim.
Whether Cisco 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 Cisco Lake
These are the measurements EGLE publishes for Cisco 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. Phosphorus 33 µg/L. TSI 52.
| 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 | 33µg/L | Fair GoodFairPoor |
| 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. | 52 | Eutrophic OligotrophicMesotrophicEutrophicHypereutrophic |
High nutrients, frequent algae, reduced clarity
Ask about Cisco Lake
Answers come straight from the public measurements and survey records on this page.
Lake Details
Max depth
20 ft
Surface area
723 acres
Public access
Yes
Listed by EGLE
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Stays near Cisco Lake
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Fishing Cisco Lake
Water Quality Trend: Improving
Based on 7 years of monitoring (2016–2023).
Water clarity
Improving6 years
Phosphorus
Stable+0.5 µg/L/yr7 years
EPA Impairment Status
Cisco Lake is officially listed as impaired under Clean Water Act §303(d) in the 2024 EPA reporting cycle (IR category 4A).
Causes of impairment
Designated uses not supporting: Fish consumption.
A Total Maximum Daily Load (TMDL) plan has been approved.
Source: EPA ATTAINS assessment unit MI040201020101-02 · Official waterbody report
Regulated Pollution Sources Nearby
1 EPA-permitted facility operate within about 5 miles of Cisco Lake under Clean Water Act (NPDES) discharge permits.
- Cisco Lake ResortWatersmeet · 0.4 mi away · NPDES MIG080929
Facilities permitted to discharge under the Clean Water Act within ~5 miles; proximity does not by itself mean a facility affects this lake. Source: EPA ECHO (ICIS-NPDES), as of 2026-07.
Nearby Lakes in Gogebic County
Frequently asked questions about Cisco Lake
Where is Cisco Lake?
- Cisco 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 Cisco Lake?
- Cisco Lake in Gogebic County, Michigan has water-quality measurements published by EGLE, shown here as reported. Water clarity: 7 ft visibility. Phosphorus: 33 µg/L. Maximum depth: 20 ft. Surface area: 723 acres.
Is Cisco Lake safe to swim in?
- Nutrient and algae readings are not a swimming clearance. Cisco Lake is listed impaired under Clean Water Act §303(d) (IR 4A) for mercury. Check local advisories before you swim.
How deep is Cisco Lake?
- Cisco Lake has a maximum depth of 20 feet. The lake covers 723 acres.
Can I fish at Cisco Lake?
- Public access to Cisco 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.
Explore Cisco Lake across LakeQuality
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Where this data comes from
108 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_MICORPS108 samples · 2016–2023
Analytical methods
- Phosphorus by Colorimetry
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.
Other records on this page
Impairment status from EPA ATTAINS 303(d) database
Regulated discharger data from EPA ECHO (ICIS-NPDES)