Where is Oscar Jenny Lake?

Oscar Jenny Lake is a lake in Oneida County, Wisconsin. Its water-quality measurements are published by Wisconsin DNR and shown on this page as reported.

How deep is Oscar Jenny Lake?

Oscar Jenny Lake has a maximum depth of 24 feet. The lake covers 101 acres.

What fish are in Oscar Jenny Lake?

Fish species found in Oscar Jenny Lake include Musky, Panfish, Largemouth Bass. Oscar Jenny Lake is located in Oneida County, Wisconsin.

Can I fish at Oscar Jenny Lake?

Public access to Oscar Jenny Lake is listed as yes on the lake record. Seasons, size and bag limits, and whether you need a license are set by Wisconsin's fish and wildlife agency, so check its current regulations before you go.

Oscar Jenny Lake

Oneida County, Wisconsin101 acresView map Directions

Wisconsin DNR publishes the water-quality measurements for Oscar Jenny Lake. Here is what has been measured.

Clarity

8.9 ft

Typical for Wisconsin

Secchi · sampled 2025

Phosphorus

12.6 µg/L

Less phosphorus than most

Measured by Wisconsin DNR

Max depth

24 ft

Bathymetric survey

Area

101 acres

Surface area

Type

Mesotrophic

Trophic class

Mesotrophic
24 ft max depth
Public access
Limited data

See the measurements Directions Where to stay

Oscar Jenny Lake in Oneida County, Wisconsin has water-quality measurements published by Wisconsin DNR, shown here as reported. Water clarity: 8.9 ft visibility. Phosphorus: 12.6 µg/L. Maximum depth: 24 ft. Surface area: 101 acres.

Wisconsin DNR lists Panfish as common on Oscar Jenny Lake. DNR survey details →

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Oscar Jenny Lake is a 101-acre mesotrophic lake in Oneida County, Wisconsin with a maximum depth of 24 feet. Overall water quality is improving over recent sampling years. The lake supports 3 documented fish species including Musky, Panfish, and Largemouth Bass. Public access is available. Compared to the 66 other monitored lakes in Oneida County, Oscar Jenny Lake ranks #47 for water quality.

Source: EPA Water Quality Portal sampling records, Wisconsin DNR Surface Water, last sampled 2025-08-27. Methodology: how these readings are compared.

What Oscar Jenny Lake is good for

From access and monitoring records, not editorial picks.

Fishing3 species recorded

Swimming conditions

Readings only

Limited data

Based on clarity and algae readings from past sampling — there is no live water temperature and a current cyanobacteria reading for this lake. Check your state or county health department before you swim.

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

Whether Oscar Jenny Lake is safe to swim in today is a call for the Wisconsin Department of Natural Resources and the county health department, who post current advisories. LakeQuality does not issue swimming clearances.

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Water quality measurements for Oscar Jenny Lake

These are the measurements Wisconsin DNR publishes for Oscar Jenny Lake, shown as reported. The condition class beside each reading is the EPA National Lakes Assessment class for this lake’s ecoregion.

Moderate clarity, visible to about 8.9 ft. Phosphorus 12.6 µg/L. TSI 43.

Water quality readings
Measure	Reading	Where it sits
Water clarity (Secchi depth)	8.9ft	Measured, not scored How deep a black-and-white disk stays visible from the surface. Higher is clearer.
Total phosphorus	12.6µg/L	Good GoodFairPoor
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 Oscar Jenny Lake

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

DNR fisheries survey

Wisconsin DNR lists Panfish as common on Oscar Jenny Lake.

A DNR fisheries survey reports fish abundance and catch rates, not water quality. LakeQuality shows Oscar Jenny Lake’s water-quality measurements separately, and the water-quality trend over 3 years of monitoring is improving. Catch rate is not a swim clearance and is not a weekly bite report.

WI DNR Lake Profile

Authoritative data from the Wisconsin DNR LakePages. Monitored by volunteers since 2024. 1 station on file (most recent sample 2025).

Fish Species (DNR-rated)

Panfish(Common)Largemouth Bass(Common)Musky(Present)

Contour map (PDF) →Full WI DNR LakePage →Water quality stations →

DNR Reports & Resources

Wisconsin DNR Fisheries scientists publish multi-year survey reports for Oscar Jenny Lake covering fish populations, stocking, water quality, and management. 1 report on file.

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

2024
Oscar-Jenny Lake spring shocking, 2024
Spring Shocking Survey · WI DNR · 2024 (PDF)

Lake Details

Max depth

24 ft

Surface area

101 acres

Public access

Yes

Listed by Wisconsin DNR

Lake Size & Watershed

Watershed (drainage) area

0 sq mi

HydroLAKES / HydroSHEDS

Shoreline

1.9 mi

HydroLAKES / HydroSHEDS

Elevation

1,539 ft

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

Stays via Stay22

Stays near Oscar Jenny Lake

Compare lakeside cabins, hotels, and vacation rentals near Oscar Jenny Lake in Oneida County, Wisconsin — 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 Oscar Jenny 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.

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Follow Oscar Jenny Lake’s readings

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Fish Species

Musky Panfish Largemouth Bass

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

Fishing Oscar Jenny Lake

Water quality readings over time

3 seasons of samples on record (2022–2025). Calling a direction takes at least 4 years of the same measurement.

Water clarity
Improving
3 years
Phosphorus
Improving
-3.87 µg/L/yr2 years

Nearby Lakes in Oneida County

Indian Lake—View →Indian Lake—View →O'Day Lake—View →Gary Lake—View →Oneida Lake5.5 ft clear · Eutrophic—View →East Mitchell Lake—View →

Frequently asked questions about Oscar Jenny Lake

Where is Oscar Jenny Lake?: Oscar Jenny Lake is a lake in Oneida County, Wisconsin. Its water-quality measurements are published by Wisconsin DNR and shown on this page as reported.
What is the water quality of Oscar Jenny Lake?: Oscar Jenny Lake in Oneida County, Wisconsin has water-quality measurements published by Wisconsin DNR, shown here as reported. Water clarity: 8.9 ft visibility. Phosphorus: 12.6 µg/L. Maximum depth: 24 ft. Surface area: 101 acres.
Is Oscar Jenny Lake safe to swim in?: Nutrient and algae readings are not a swimming clearance. Check local advisories before you swim.
How deep is Oscar Jenny Lake?: Oscar Jenny Lake has a maximum depth of 24 feet. The lake covers 101 acres.
What fish are in Oscar Jenny Lake?: Fish species found in Oscar Jenny Lake include Musky, Panfish, Largemouth Bass. Oscar Jenny Lake is located in Oneida County, Wisconsin.
What did the DNR fisheries survey find at Oscar Jenny Lake?: Wisconsin DNR lists Panfish as common on Oscar Jenny Lake. A DNR fisheries survey reports fish abundance and catch rates, not water quality. LakeQuality shows Oscar Jenny Lake’s water-quality measurements separately, and the water-quality trend over 3 years of monitoring is improving. Catch rate is not a swim clearance and is not a weekly bite report.
Can I fish at Oscar Jenny Lake?: Public access to Oscar Jenny Lake is listed as yes on the lake record. Seasons, size and bag limits, and whether you need a license are set by Wisconsin's fish and wildlife agency, so check its current regulations before you go.

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Where this data comes from

11 measurements from 1 monitoring station, 2022–2025. Retrieved from the EPA Water Quality Portal on 2026-08-02.

Collected and reported by

Wisconsin Department of Natural ResourcesWIDNR_WQX11 samples · 2022–2025

Analytical methods

Phosphorus by Colorimetry

Monitoring station identifiers (1)

WIDNR_WQX-443385

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)

Fish and recreation data from Wisconsin DNR Lakes