Sagamore Mine Lake
Crow Wing County, Minnesota119 acresView mapDirections
Minnesota PCA publishes the water-quality measurements for Sagamore Mine Lake. Here is what has been measured.
- 210 ft max depth
- Public access
- Limited data
Sagamore Mine Lake in Crow Wing County, Minnesota has water-quality measurements published by Minnesota PCA, shown here as reported. Water clarity: 23.8 ft visibility. Maximum depth: 210 ft. Surface area: 118.52 acres.
Sagamore Mine Lake is a 119-acre lake in Crow Wing County, Minnesota with a maximum depth of 210 feet (63-foot average). Overall water quality is improving over recent sampling years. The lake supports 11 documented fish species including black crappie, bluegill, and burbot. Public access is available with 1 public boat landing.
Source: EPA Water Quality Portal sampling records, Minnesota DNR LakeFinder, last sampled 2025-09-28. Methodology: how these readings are compared.
What Sagamore Mine Lake is good for
From access and monitoring records, not editorial picks.
- Clear water23.8 ft of visibility
- Boat launch1 documented ramp
- Fishing11 species recorded
- Deep water210 ft surveyed max depth
Swimming conditions
No readingLimited data
Nutrient and algae readings are not a swimming clearance. Check local advisories before you swim.
Whether Sagamore Mine Lake is safe to swim in today is a call for the Minnesota Pollution Control Agency and the Minnesota DNR and the county health department, who post current advisories. LakeQuality does not issue swimming clearances.
Water quality measurements for Sagamore Mine Lake
These are the measurements Minnesota PCA publishes for Sagamore Mine Lake, shown as reported. The condition class beside each reading is the EPA National Lakes Assessment class for this lake’s ecoregion.
Crystal clear, you can see 23.8 ft down. TSI 31.
| Measure | Reading | Where it sits |
|---|---|---|
| Water clarity (Secchi depth) | 23.8ft | 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. | 31 | Oligotrophic OligotrophicMesotrophicEutrophicHypereutrophic |
Low nutrients, clear water. No reading is a swimming clearance.
Ask about Sagamore Mine Lake
Answers come straight from the public measurements and survey records on this page.
Lake Details
Max depth
210 ft
Average depth
63.4 ft
Surface area
119 acres
Shoreline
3.3 mi
Littoral zone
47%
Share shallower than 15 ft
Public access
Yes
Listed by Minnesota PCA
Lake Size & Watershed
Watershed (drainage) area
6 sq mi
HydroLAKES / HydroSHEDS
Elevation
1,184 ft
Size, shoreline, and watershed area from HydroLAKES (HydroSHEDS).
Recreation & Access
- Sagamore Pit (Cuyuna Country State Recreation Area)Public
Named access points in the USGS National Boat Ramps inventory, within about 3 miles. More lakes with boat ramps
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Stays near Sagamore Mine Lake
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Fish Species
Click a species to see every lake where it is documented.
Fishing Sagamore Mine Lake
Water Quality Trend: Improving
Based on 4 years of monitoring (2020–2025).
Water clarity
Improving4 years
Nearby Lakes in Crow Wing County
Frequently asked questions about Sagamore Mine Lake
Where is Sagamore Mine Lake?
- Sagamore Mine Lake is a lake in Crow Wing County, Minnesota. Its water-quality measurements are published by Minnesota PCA and shown on this page as reported.
What is the water quality of Sagamore Mine Lake?
- Sagamore Mine Lake in Crow Wing County, Minnesota has water-quality measurements published by Minnesota PCA, shown here as reported. Water clarity: 23.8 ft visibility. Maximum depth: 210 ft. Surface area: 118.52 acres.
Is Sagamore Mine Lake safe to swim in?
- Nutrient and algae readings are not a swimming clearance. Check local advisories before you swim.
How deep is Sagamore Mine Lake?
- Sagamore Mine Lake has a maximum depth of 210 feet and an average depth of 63.4 feet. The lake covers 118.52 acres.
What fish are in Sagamore Mine Lake?
- Fish species found in Sagamore Mine Lake include black crappie, bluegill, burbot, hybrid sunfish, lake trout, largemouth bass, northern pike, rainbow trout, tullibee (cisco), white sucker, yellow perch. Sagamore Mine Lake is located in Crow Wing County, Minnesota.
Are there boat ramps on Sagamore Mine Lake?
- Sagamore Mine Lake has 1 documented boat landing in the USGS National Boat Ramps inventory. Named access points include Sagamore Pit (Cuyuna Country State Recreation Area). Public access is listed as yes.
Can I fish at Sagamore Mine Lake?
- Sagamore Mine 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 Minnesota's fish and wildlife agency, so check its current regulations before you go.
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Where this data comes from
7 measurements from 1 monitoring station, 2025. Retrieved from the EPA Water Quality Portal on 2026-08-02.
Collected and reported by
- Minnesota Pollution Control Agency - Ambient Surface Water
MNPCA7 samples · 2025
Analytical methods
- Field measurement/observation, generic method
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
Lake size & watershed from HydroLAKES (HydroSHEDS)
Lake details from Minnesota DNR LakeFinder
Named boat-access points from the USGS National Boat Ramps inventory