Swan Lake
Iron County, Michigan160 acresView mapDirections
EGLE publishes the water-quality measurements for Swan Lake. Here is what has been measured.
- 20 ft max depth
- Public access
- Limited data
Swan Lake in Iron County, Michigan has water-quality measurements published by EGLE, shown here as reported. Water clarity: 9.5 ft visibility. Maximum depth: 20 ft. Surface area: 159.5 acres.
Free interactive depth-contour map of Swan Lake, reaching a maximum surveyed depth of 20 ft. Toggle Depth contours to overlay the bathymetric survey lines. Contour data from Michigan DNR.
Swan Lake is a 160-acre lake in Iron County, Michigan with a maximum depth of 20 feet. Overall water quality is declining over recent sampling years. Limited fish-species data available. Public access is available with 1 public boat landing.
Source: EPA Water Quality Portal sampling records, EGLE, last sampled 2022-09-05. Methodology: how these readings are compared.
What Swan Lake is good for
From access and monitoring records, not editorial picks.
- Boat launch1 documented ramp
Swimming conditions
No readingLimited data
Nutrient and algae readings are not a swimming clearance. Check local advisories before you swim.
Whether Swan 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 Swan Lake
These are the measurements EGLE publishes for Swan 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 9.5 ft. TSI 45.
| Measure | Reading | Where it sits |
|---|---|---|
| Water clarity (Secchi depth) | 9.5ft | 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. | 45 | Mesotrophic OligotrophicMesotrophicEutrophicHypereutrophic |
Moderate nutrients, good water quality
Ask about Swan Lake
Answers come straight from the public measurements and survey records on this page.
Lake Details
Max depth
20 ft
Surface area
160 acres
Public access
Yes
Listed by EGLE
Recreation & Access
- Swan LakePublic
Named access points in the USGS National Boat Ramps inventory, within about 3 miles. More lakes with boat ramps
Stays via Stay22
Stays near Swan Lake
Compare lakeside cabins, hotels, and vacation rentals near Swan Lake in Iron 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.
Top-rated places to stay near Swan Lake
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Fishing Swan Lake
Water Quality Trend: Worsening
Based on 7 years of monitoring (2016–2023).
Water clarity
Improving7 years
Phosphorus
Worsening+2.37 µg/L/yr7 years
Chlorophyll-a
Worsening+0.42 µg/L/yr7 years
Nearby Lakes in Iron County
Frequently asked questions about Swan Lake
Where is Swan Lake?
- Swan 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 Swan Lake?
- Swan Lake in Iron County, Michigan has water-quality measurements published by EGLE, shown here as reported. Water clarity: 9.5 ft visibility. Maximum depth: 20 ft. Surface area: 159.5 acres.
Is Swan Lake safe to swim in?
- Nutrient and algae readings are not a swimming clearance. Check local advisories before you swim.
How deep is Swan Lake?
- Swan Lake has a maximum depth of 20 feet. The lake covers 159.5 acres.
Are there boat ramps on Swan Lake?
- Swan Lake has 1 documented boat landing in the USGS National Boat Ramps inventory. Named access points include Swan Lake. Public access is listed as yes.
Can I fish at Swan Lake?
- Swan Lake has 1 documented boat landing in the USGS National Boat Ramps inventory. 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 Swan Lake across LakeQuality
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Where this data comes from
61 measurements from 1 monitoring station, 2016–2022. Retrieved from the EPA Water Quality Portal on 2026-08-26.
Collected and reported by
- North American Lake Management Society
NALMS61 samples · 2016–2022
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
Named boat-access points from the USGS National Boat Ramps inventory