Cuffs Lake Inlet
Cook County, MinnesotaView mapDirections
No nutrient or algae sampling on record from Minnesota PCA for this lake.
- Limited data
Ask about Cuffs Lake Inlet
Answers come straight from the public measurements and survey records on this page.
Cuffs Lake Inlet in Cook County, Minnesota has water-quality measurements published by Minnesota PCA, shown here as reported.
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Cuffs Lake Inlet is a lake in Cook County, Minnesota. Overall water quality is declining over recent sampling years.
Source: EPA Water Quality Portal sampling records, Minnesota DNR LakeFinder, last sampled 2024-09-09. Grade methodology: LakeQuality methodology.
Swimming conditions
No readingLimited data
Nutrient and algae readings are not a swimming clearance. Check local advisories before you swim.
Whether Cuffs Lake Inlet 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 Cuffs Lake Inlet
These are the measurements Minnesota PCA publishes for Cuffs Lake Inlet, shown as reported. The condition class beside each reading is the EPA National Lakes Assessment class for this lake’s ecoregion.
No clarity data.
| Metric | Value | EPA condition class |
|---|---|---|
| Water Clarity (Secchi Depth) | No recent samples | |
| Phosphorus | No recent samples | |
| Chlorophyll-a (Algae) | No recent samples |
Fishing Cuffs Lake Inlet
Water Quality Trend: ↓ Declining
Based on 5 years of monitoring data (2020-2025).
| Metric | Trend | Change/Year | Years |
|---|---|---|---|
| Water Clarity | ↓ Declining | -14.121 m/yr | 3 |
| Phosphorus | ↑ Improving | -9.24 µg/L/yr | 5 |
| Chlorophyll-a | ↓ Declining | +0.76 µg/L/yr | 4 |
Nearby Lakes in Cook County
Frequently asked questions about Cuffs Lake Inlet
Where is Cuffs Lake Inlet?
- Cuffs Lake Inlet 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 Cuffs Lake Inlet?
- Cuffs Lake Inlet in Cook County, Minnesota has water-quality measurements published by Minnesota PCA, shown here as reported.
Is Cuffs Lake Inlet safe to swim in?
- Nutrient and algae readings are not a swimming clearance. Check local advisories before you swim.
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Where this data comes from
4 measurements from 2 monitoring stations, 2020–2024. Retrieved from the EPA Water Quality Portal on 2026-08-02.
Collected and reported by
- Grand Portage Reservation
GPC5_WQX3 samples · 2022–2024 - 21GPBCH - Grand Portage Beaches (Tribal)
21GPBCH1 sample · 2020
Analytical methods
- Turbidity by Nephelometry
Monitoring station identifiers (2)
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.