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LakeQuality

Owl Lake

Hubbard County, Minnesota90 acresView mapDirections

Minnesota PCA publishes the water-quality measurements for Owl Lake. Here is what has been measured.

Clarity
14 ft
Clearer than most
Secchi · sampled 2025
Water temp
~52°F
Typical for Oct · EPA WQP
Max depth
26 ft
Bathymetric survey
Area
90 acres
Surface area
Trend
Worsening
6 years of samples
Shoreline
2.3 mi
Measured length
  • 26 ft max depth
  • Limited data

Owl Lake in Hubbard County, Minnesota has water-quality measurements published by Minnesota PCA, shown here as reported. Water clarity: 14 ft visibility. Maximum depth: 26 ft. Surface area: 90.37 acres.

Minnesota DNR's Standard Survey on July 28, 2010 caught 22.00 northern pike per gill net at Owl Lake. Length samples in the latest survey that recorded them ran 14–28 inches. DNR survey details →

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Owl Lake is a 90-acre lake in Hubbard County, Minnesota with a maximum depth of 26 feet (5-foot average). Overall water quality is declining over recent sampling years. The lake supports 4 documented fish species including black bullhead, brown bullhead, and northern pike. No public access — the lake is private or restricted.

Source: EPA Water Quality Portal sampling records, Minnesota DNR LakeFinder, last sampled 2025-09-30. Methodology: how these readings are compared.

Owl Lake covers about 90 acres in Hubbard County. The median ice-out date is April 15, which is when the open-water season begins. For a place on the water, look through cabin and lake-house rentals near Owl Lake on Vrbo. For a hotel or motel room, Booking.com and Expedia both search around the lake.

What Owl Lake is good for

From access and monitoring records, not editorial picks.

  • Clear water14 ft of visibility
  • Fishing4 species recorded
  • Ice seasonIce-out around Apr 15

Swimming conditions

No reading

Limited data

Nutrient and algae readings are not a swimming clearance. Check local advisories before you swim.

Whether Owl 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.

Compare swimming lakes near Park Rapids →

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Water quality measurements for Owl Lake

These are the measurements Minnesota PCA publishes for Owl 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 14 ft. TSI 39.

Water quality readings
MeasureReadingWhere it sits
Water clarity (Secchi depth)14ftMeasured, not scored

How deep a black-and-white disk stays visible from the surface. Higher is clearer.

Total phosphorusNo 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.39Oligotrophic
OligotrophicMesotrophicEutrophicHypereutrophic

Low nutrients, clear water. No reading is a swimming clearance.

Ask about Owl Lake

Answers come straight from the public measurements and survey records on this page.

Water Temperature

Owl Lake typically sits around 52°F at the surface in October. Summer average is about 74°F. Usually warmest in Jul (about 78°F) and coldest in Apr (about 52°F). These are typical values by month — not a live reading.

Jan
Feb
Mar
52°
Apr
60°
May
71°
Jun
78°
Jul
72°
Aug
68°
Sep
52°
Oct
Nov
Dec

Column height runs from this lake’s coldest month (52°F) to its warmest (78°F).

Typical surface water temperature by month, from 49 field readings (2022–2024) via the EPA Water Quality Portal. See the full Owl Lake water temperature breakdown →

DNR fisheries survey

Minnesota DNR's Standard Survey on July 28, 2010 caught 22.00 northern pike per gill net at Owl Lake. Length samples in the latest survey that recorded them ran 14–28 inches.

A DNR fisheries survey reports fish abundance and catch rates, not water quality. LakeQuality shows Owl Lake’s water-quality measurements separately, and the water-quality trend over 6 years of monitoring is declining. Catch rate is not a swim clearance and is not a weekly bite report.

DNR Fisheries Survey Summary

4 surveys on file from MN DNR Fisheries. Most recent: 2010-07-28 (Standard Survey).

4 surveys on file · most recent 2010-07-28 (Standard Survey)

16 years old
SpeciesCatch rate (CPUE)SizeAvg weight
Bluegill
20.02
3–7 in
2010-07-28
0.13 lb
Black Bullhead
12.84
0.28 lb
Brown Bullhead
10.79
11–13 in
2010-07-28
0.61 lb
Pumpkinseed
8.49
3–9 in
2010-07-28
0.2 lb
Northern Pike
6.55
14–28 in
2010-07-28
2.19 lb
Black Crappie
3.18
4–12 in
2010-07-28
0.39 lb

CPUE = catch per unit effort, fish caught per net per set in a standardised survey. It measures abundance, not size, and is not a weekly bite report.

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.

Bluegill

15 fish · 3–7 in · 2010-07-28
63034567

Brown Bullhead

5 fish · 11–13 in · 2010-07-28
320111213

Pumpkinseed

35 fish · 3–9 in · 2010-07-28
16803456789

Northern Pike

30 fish · 14–28 in · 2010-07-28
6301416182022242628

From the 2010-07-28 survey

Owl Lake is located in Hubbard County, one mile northeast of Nevis. Owl Lake has a surface area of 85 acres and a maximum depth of 26 feet. Owl Lake is shallow, with most of the lake less than 15 feet in depth. There is no public access on the lake. The Minnesota Department of Natural Resources (DNR) has classified…

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 Owl Lake. 1 report on file.

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

Lake Details

Max depth

26 ft

Average depth

5 ft

Surface area

90 acres

Shoreline

2.3 mi

Littoral zone

86%

Share shallower than 15 ft

Public access

No

Listed by Minnesota PCA

Lake Size & Watershed

Watershed (drainage) area

4 sq mi

HydroLAKES / HydroSHEDS

Elevation

1,407 ft

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

Stays via Stay22

Stays near Owl Lake

Compare lakeside cabins, hotels, and vacation rentals near Owl Lake in Hubbard 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.

Top-rated places to stay near Owl Lake

Prices for Oct 9–11, 4 adults. Change dates on the map below.

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 →

Follow Owl Lake’s readings

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Fish Species

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

Fishing Owl Lake

Based on 6 years of monitoring (2020–2025).

  • Water clarity

    Worsening

    6 years

  • Phosphorus

    Improving

    -0.89 µg/L/yr6 years

  • Chlorophyll-a

    Worsening

    +0.15 µg/L/yr6 years

See year-by-year chart →

Ice season

Typical ice-out

Apr 15

Earliest Mar 23, 2012 · Latest May 6, 2013

Typical ice-in

Nov 13

Earliest Oct 25, 2020 · Latest Nov 26, 2024

Most recent ice-out

Apr 13

2025

44 observations · Minnesota PCA ice records

Nearby Lakes in Hubbard County

Frequently asked questions about Owl Lake

Where is Owl Lake?

Owl Lake is a lake in Hubbard County, Minnesota. Its water-quality measurements are published by Minnesota PCA and shown on this page as reported.

What is the water quality of Owl Lake?

Owl Lake in Hubbard County, Minnesota has water-quality measurements published by Minnesota PCA, shown here as reported. Water clarity: 14 ft visibility. Maximum depth: 26 ft. Surface area: 90.37 acres.

Measurements on this page ↑

Is Owl Lake safe to swim in?

Nutrient and algae readings are not a swimming clearance. Check local advisories before you swim.

Swimming on this page ↑

What is the water temperature of Owl Lake?

Owl Lake typically sits around 52°F at the surface in October, from 49 EPA Water Quality Portal field readings (2022–2024). That is a typical value for the month, not a live reading.

Temp on this page ↑

How deep is Owl Lake?

Owl Lake has a maximum depth of 26 feet and an average depth of 5 feet. The lake covers 90.37 acres.

What fish are in Owl Lake?

Fish species found in Owl Lake include black bullhead, brown bullhead, northern pike, pumpkinseed. Owl Lake is located in Hubbard County, Minnesota.

Fish on this page ↑

What did the DNR fisheries survey find at Owl Lake?

Minnesota DNR's Standard Survey on July 28, 2010 caught 22.00 northern pike per gill net at Owl Lake. Length samples in the latest survey that recorded them ran 14–28 inches. A DNR fisheries survey reports fish abundance and catch rates, not water quality. LakeQuality shows Owl Lake’s water-quality measurements separately, and the water-quality trend over 6 years of monitoring is declining. Catch rate is not a swim clearance and is not a weekly bite report.

DNR on this page ↑

When does Owl Lake thaw?

Owl Lake typically has ice-out around Apr 15. Ice typically forms around Nov 13. The open water season is approximately 212 days.

Can I fish at Owl Lake?

Public access to Owl 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.

Where this data comes from

298 measurements from 2 monitoring stations, 2020–2025. Retrieved from the EPA Water Quality Portal on 2026-08-02.

Collected and reported by

  • Minnesota Pollution Control Agency - Ambient Surface WaterMNPCA298 samples · 2020–2025

Analytical methods

  • Field measurement/observation, generic method
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.

Other records on this page

Lake size & watershed from HydroLAKES (HydroSHEDS)

Lake details from Minnesota DNR LakeFinder

Ice data from Minnesota DNR Climate