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LakeQuality

Strandness Lake

D
Grade D — Nutrient-rich
Nutrient-rich · #17 of 20 lakes in the county · 3 ft clear · Eutrophic · 92 acres
Eutrophic

Strandness Lake in Pope County, Minnesota has a water quality grade of D (Nutrient-rich). Water clarity: 3 ft visibility. Phosphorus: 66 µg/L. Chlorophyll-a (algae): 29.4 µg/L. Maximum depth: 5 ft. Surface area: 92.06 acres.

Clarity
3 ft
Typical in August
70°F
Max depth
5 ft
Area
92 acres
Type
Eutrophic
Trend
Improving
Public access
No

Grade D measures nutrients and algae, not whether this is a good place for a cabin trip. Cabins and rentals near Strandness Lake

Next lake in Pope County

FMalmedal Lake1.6 ft clear · Pope CountyView →
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Strandness Lake is a 92-acre productive, nutrient-rich eutrophic lake in Pope County, Minnesota with a maximum depth of 5 feet (4-foot average). Water quality is graded D based on 2 sampling years through 2025. Overall water quality is improving over recent sampling years. The lake supports 9 documented fish species including black bullhead, brown bullhead, and common carp. No public access — the lake is private or restricted. Compared to the 19 other monitored lakes in Pope County, Strandness Lake ranks #17 for water quality.

Source: EPA Water Quality Portal sampling records, Minnesota DNR LakeFinder, last sampled 2025-09-22. Grade methodology: LakeGrade methodology.

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Swimming Safety

Grade only

Algae risk

Based on clarity and algae grades from past sampling — we do not hold live water temperature and a current cyanobacteria reading for this lake. Check your state or county health department before you swim.

Nutrients and algae run higher than average — check local advisories before swimming, and skip the water if you see scum

Compare the safest swimming lakes near Alexandria

Get alerts for Strandness Lake

Water Quality Grade: D (Nutrient-rich)

Very murky, less than 3 ft of visibility. Phosphorus level: 66 µg/L. Chlorophyll-a: 29.4 µg/L. Trophic State Index: 63.

MetricValueGrade
Water Clarity (Secchi Depth)3 ftNot graded
Phosphorus66 µg/LPoor
Chlorophyll-a (Algae)29.4 µg/LPoor
Trophic State Index (TSI)63Eutrophic

High nutrients, frequent algae, reduced clarity

Where to stay near Strandness Lake

Compare lakeside cabins, hotels, and vacation rentals near Strandness Lake in Pope County, Minnesota — 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. The water-quality grade measures nutrients and algae, not lodging — cabins and rentals around Strandness Lake are listed below.

Top-rated places to stay near Strandness Lake

Availability and prices from Stay22 partners (Booking.com, Vrbo, Expedia). We may earn a commission from bookings, at no extra cost to you.

Planning a whole trip? See where to stay at Minnesota’s top lakes →

Water Temperature

Strandness Lake typically sits around 70°F at the surface in August. Summer average is about 72°F. Usually warmest in Jul (about 76°F) and coldest in May (about 59°F). These are typical values by month — not a live reading.

Jan
Feb
Mar
Apr
May
59°
Jun
70°
Jul
76°
Aug
70°
Sep
65°
Oct
Nov
Dec

Typical surface water temperature by month, from 30 field readings (20102021) via the EPA Water Quality Portal. See the full Strandness Lake water temperature breakdown →

Lake Details

CharacteristicValue
Maximum Depth5 ft
Average Depth3.5 ft
Surface Area92 acres
Shoreline Length2.2 mi
Littoral Zone100%
Public AccessNo

Lake Size & Watershed

Watershed (drainage) area
28 sq mi
Elevation
1,220 ft

Size, shoreline, and watershed area from HydroLAKES (HydroSHEDS).

Fish Species

Click a species to see every graded lake where it is documented.

Fishing Strandness Lake

DNR Fisheries Survey Summary

1 survey on file from MN DNR Fisheries. Most recent: 2010-08-30 (Standard Survey).

Top Species by Catch Rate

SpeciesAvg CPUEAvg Weight
Fathead Minnow168.63
IOD49.06
Black Bullhead34.380.21 lb
Yellow Perch29.750.23 lb
BST17.92
Common Carp10.282.46 lb

CPUE = catch per unit effort, averaged across surveys (excludes juvenile shoreline seining). Higher CPUE = more abundant in standardized sampling.

Length Distributions

Number of fish caught at each inch class in the most recent survey that recorded lengths. Red dashed line marks an approximate trophy threshold for that species.

Black Bullhead

152 fish · 311 in · 2010-08-30
5427034567891011

Yellow Perch

113 fish · 611 in · 2010-08-30
47240trophy 1267891011

Common Carp

43 fish · 726 in · 2010-08-30
12608101214161820222426

From the 2010-08-30 survey

Strandness Lake is a shallow basin located in the flowage of Trapper's Run Creek. It lies between Malmedahl and Pelican Lakes, each of which is listed as impaired waters. Maximum depth of Strandness Lake is 5.0 feet. Undoubtedly, Strandness Lake holds little dissovled oxygen during winter months. Partial and severe…

Source: MN DNR LakeFinder Fisheries Lake Survey

DNR Reports & Resources

Minnesota DNR LakeFinder publishes lake survey, fish stocking, water access, and aquatic plant data for Strandness Lake. 1 report on file.

These links open on the official state DNR websites (Wisconsin DNR survey PDFs · Minnesota DNR LakeFinder).

Based on 6 years of monitoring data (2020-2025).

MetricTrendChange/YearYears
Water Clarity Improving+0.169 m/yr6
Phosphorus Stable-2.4 µg/L/yr6
Chlorophyll-a Improving-6.6 µg/L/yr6
See year-by-year chart →

EPA Impairment Status

Strandness Lake is officially listed as impaired under Clean Water Act §303(d) in the 2024 EPA reporting cycle (IR category 4A).

Causes of impairment

Nutrients (phosphorus, nitrogen)

A Total Maximum Daily Load (TMDL) plan has been approved.

Source: EPA ATTAINS assessment unit MN61-0128-00 · Official waterbody report

Regulated Pollution Sources Nearby

1 EPA-permitted facility operate within about 5 miles of Strandness Lake under Clean Water Act (NPDES) discharge permits.

  • Starbuck Wwtp
    Starbuck · 4.1 mi away · NPDES MN0021415

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.

County Ranking

Ranked #17 of 20 lakes in Pope County

Nearby Lakes With Higher Grades

Strandness Lake holds Grade D. 3 nearby lakes hold higher nutrient-and-algae grades — useful for a swim day, not a reason to skip lodging here.

See full comparison →

Nearby Lakes in Pope County

Frequently asked questions about Strandness Lake

What is the water quality grade for Strandness Lake?

Strandness Lake in Pope County, Minnesota has a water quality grade of D (Nutrient-rich). Water clarity: 3 ft visibility. Phosphorus: 66 µg/L. Chlorophyll-a (algae): 29.4 µg/L. Maximum depth: 5 ft. Surface area: 92.06 acres.

Is Strandness Lake safe to swim in?

Nutrients and algae run higher than average — check local advisories before swimming, and skip the water if you see scum. Strandness Lake has a water quality grade of D (Nutrient-rich). Algae concentration (chlorophyll-a) is 29.4 µg/L. Always check local health department advisories before swimming.

What is the water temperature of Strandness Lake?

Strandness Lake typically sits around 70°F at the surface in August, from 30 EPA Water Quality Portal field readings (2010–2021). That is a typical value for the month, not a live reading.

How deep is Strandness Lake?

Strandness Lake has a maximum depth of 5 feet and an average depth of 3.5 feet. The lake covers 92.06 acres.

What fish are in Strandness Lake?

Fish species found in Strandness Lake include black bullhead, brown bullhead, common carp, largemouth bass, northern pike, pumpkinseed, walleye, white sucker, yellow perch. Strandness Lake is located in Pope County, Minnesota.

Where this data comes from

85 measurements from 1 monitoring station, 2020–2025. Retrieved from the EPA Water Quality Portal on 2026-08-02.

Collected and reported by

  • Minnesota Pollution Control Agency - Ambient Surface WaterMNPCA85 samples · 2020–2025

Analytical methods

  • Field measurement/observation, generic method
  • Phosphorus by Two Reagent Colorimetry
  • 10200 H ~ Chlorophyll a-b-c Determination
Monitoring station identifiers (1)

Grade thresholds from the EPA National Lakes Assessment (EPA 841-R-24-006, Table 6-3), applied by ecoregion. See how grades are calculated and data sources.

Other records on this page

Impairment status from EPA ATTAINS 303(d) database

Regulated discharger data from EPA ECHO (ICIS-NPDES)

Lake size & watershed from HydroLAKES (HydroSHEDS)

Lake details from Minnesota DNR LakeFinder