Pipe Lake
Cook County, Minnesota285 acresView mapDirections
Minnesota PCA publishes the water-quality measurements for Pipe Lake. Here is what has been measured.
- 33 ft max depth
- Limited data
Pipe Lake in Cook County, Minnesota has water-quality measurements published by Minnesota PCA, shown here as reported. Water clarity: 10.5 ft visibility. Maximum depth: 33 ft. Surface area: 284.66 acres.
Pipe Lake is a 285-acre lake in Cook County, Minnesota with a maximum depth of 33 feet. Limited fish-species data available. No public access — the lake is private or restricted.
Source: EPA Water Quality Portal sampling records, Minnesota DNR LakeFinder, last sampled 2025-07-26. Methodology: how these readings are compared.
What Pipe Lake is good for
From access and monitoring records, not editorial picks.
- Clear water10.5 ft of visibility
- Deep water33 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 Pipe 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 Pipe Lake
These are the measurements Minnesota PCA publishes for Pipe Lake, shown as reported. The condition class beside each reading is the EPA National Lakes Assessment class for this lake’s ecoregion.
Good clarity, visible to about 10.5 ft. TSI 43.
| Measure | Reading | Where it sits |
|---|---|---|
| Water clarity (Secchi depth) | 10.5ft | 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. | 43 | Mesotrophic OligotrophicMesotrophicEutrophicHypereutrophic |
Moderate nutrients, good water quality
Ask about Pipe Lake
Answers come straight from the public measurements and survey records on this page.
Lake Details
Max depth
33 ft
Surface area
285 acres
Shoreline
5.9 mi
Littoral zone
55%
Share shallower than 15 ft
Public access
No
Listed by Minnesota PCA
Lake Size & Watershed
Watershed (drainage) area
2 sq mi
HydroLAKES / HydroSHEDS
Elevation
1,818 ft
Size, shoreline, and watershed area from HydroLAKES (HydroSHEDS).
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Stays near Pipe Lake
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Fishing Pipe Lake
Nearby Lakes in Cook County
Frequently asked questions about Pipe Lake
Where is Pipe Lake?
- Pipe Lake is a lake in Cook County, Minnesota. Its water-quality measurements are published by Minnesota PCA and shown on this page as reported.
What is the water quality of Pipe Lake?
- Pipe Lake in Cook County, Minnesota has water-quality measurements published by Minnesota PCA, shown here as reported. Water clarity: 10.5 ft visibility. Maximum depth: 33 ft. Surface area: 284.66 acres.
Is Pipe Lake safe to swim in?
- Nutrient and algae readings are not a swimming clearance. Check local advisories before you swim.
How deep is Pipe Lake?
- Pipe Lake has a maximum depth of 33 feet. The lake covers 284.66 acres.
Can I fish at Pipe Lake?
- Public access to Pipe Lake is listed as no on the lake record, so confirm before you make the trip. 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
1 measurement 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
MNPCA1 sample · 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