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LakeQuality

Little Tamarack Flowage Lake

Vilas County, Wisconsin236 acresView mapDirections

Wisconsin DNR publishes the water-quality measurements for Little Tamarack Flowage Lake. Here is what has been measured.

Clarity
8.2 ft
Typical for Wisconsin
Secchi · sampled 2025
Phosphorus
17 µg/L
Typical for Wisconsin
Measured by Wisconsin DNR
Water temp
~58°F
Typical for Oct · EPA WQP
Max depth
16 ft
Bathymetric survey
Area
236 acres
Surface area
Type
Mesotrophic
Trophic class
  • Mesotrophic
  • 16 ft max depth
  • Public access

Little Tamarack Flowage Lake in Vilas County, Wisconsin has water-quality measurements published by Wisconsin DNR, shown here as reported. Water clarity: 8.2 ft visibility. Phosphorus: 17 µg/L. Maximum depth: 16 ft. Surface area: 236 acres.

Wisconsin DNR lists Panfish as common on Little Tamarack Flowage Lake. DNR survey details →

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Little Tamarack Flowage Lake is a 236-acre mesotrophic lake in Vilas County, Wisconsin with a maximum depth of 16 feet. Overall water quality is declining over recent sampling years. The lake supports 4 documented fish species including Musky, Panfish, and Largemouth Bass. Public access is available with 1 public boat landing. Compared to the 102 other monitored lakes in Vilas County, Little Tamarack Flowage Lake ranks #21 for water quality.

Source: EPA Water Quality Portal sampling records, Wisconsin DNR Surface Water, last sampled 2025-10-08. Methodology: how these readings are compared.

Little Tamarack Flowage Lake covers about 240 acres in Vilas County. It has one public boat landing. For a place on the water, look through cabin and lake-house rentals near Little Tamarack Flowage Lake on Vrbo. For a hotel or motel room, Booking.com and Expedia both search around the lake.

What Little Tamarack Flowage Lake is good for

From access and monitoring records, not editorial picks.

  • Boat launch1 documented ramp
  • Fishing4 species recorded

Swimming conditions

Readings only

Low algae

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 Little Tamarack Flowage 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 Little Tamarack Flowage Lake

These are the measurements Wisconsin DNR publishes for Little Tamarack Flowage 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 8.2 ft. Phosphorus 17 µg/L. TSI 46.

Water quality readings
MeasureReadingWhere it sits
Water clarity (Secchi depth)8.2ftMeasured, not scored

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

Total phosphorus17µg/LGood
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.46Mesotrophic
OligotrophicMesotrophicEutrophicHypereutrophic

Moderate nutrients, good water quality

Ask about Little Tamarack Flowage Lake

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

Water Temperature

Little Tamarack Flowage Lake typically sits around 58°F at the surface in October. Summer average is about 72°F. Usually warmest in Jul (about 76°F) and coldest in Apr (about 48°F). These are typical values by month — not a live reading.

Jan
Feb
Mar
48°
Apr
61°
May
68°
Jun
76°
Jul
73°
Aug
62°
Sep
58°
Oct
Nov
Dec

Column height runs from this lake’s coldest month (48°F) to its warmest (76°F).

Typical surface water temperature by month, from 46 field readings (2024–2025) via the EPA Water Quality Portal. See the full Little Tamarack Flowage Lake water temperature breakdown →

DNR fisheries survey

Wisconsin DNR lists Panfish as common on Little Tamarack Flowage Lake.

A DNR fisheries survey reports fish abundance and catch rates, not water quality. LakeQuality shows Little Tamarack Flowage Lake’s water-quality measurements separately, and the water-quality trend over 7 years of monitoring is declining. 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 2007. 2 stations on file (most recent sample 2025).

DNR Assessment
Excellent · Shallow Lowland lake
Trophic State Index 46 (mesotrophic) · 5-year average

Fish Species (DNR-rated)

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

Lake Details

Max depth

16 ft

Surface area

236 acres

Public access

Yes

Listed by Wisconsin DNR

Lake Size & Watershed

Watershed (drainage) area

6 sq mi

HydroLAKES / HydroSHEDS

Shoreline

4.1 mi

HydroLAKES / HydroSHEDS

Elevation

1,673 ft

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

Recreation & Access

1
Boat Landings
Yes
Public Access
  • Little Tamarack FlowagePublic

Named access points in the USGS National Boat Ramps inventory, within about 3 miles. More lakes with boat ramps

Stays via Stay22

Stays near Little Tamarack Flowage Lake

Compare lakeside cabins, hotels, and vacation rentals near Little Tamarack Flowage Lake in Vilas 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 Little Tamarack Flowage 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 Wisconsin’s top lakes →

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Fish Species

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

Fishing Little Tamarack Flowage Lake

Based on 7 years of monitoring (2020–2026).

  • Water clarity

    Worsening

    7 years

  • Phosphorus

    Worsening

    +7.49 µg/L/yr7 years

See year-by-year chart →

Reservoir Info (USACE NID)

Little Tamarack Flowage Lake is a man-made reservoir impounded by the Little Tamarack Flowage on the Little Tamarack Creek; earth-type dam, 10 ft tall.

Surface area
200 ac
Normal storage
2,000 ac-ft
Max storage
2,490 ac-ft
Drainage area
25 sq mi
Hazard class
Low
Owner
Little Tamarack Flowage, Baker Spring Lake District

Source: USACE National Inventory of Dams, NID ID WI20051 · Operator website

Nearby Lakes in Vilas County

Frequently asked questions about Little Tamarack Flowage Lake

Where is Little Tamarack Flowage Lake?

Little Tamarack Flowage Lake is a lake in Vilas County, Wisconsin. Its water-quality measurements are published by Wisconsin DNR and shown on this page as reported.

What is the water quality of Little Tamarack Flowage Lake?

Little Tamarack Flowage Lake in Vilas County, Wisconsin has water-quality measurements published by Wisconsin DNR, shown here as reported. Water clarity: 8.2 ft visibility. Phosphorus: 17 µg/L. Maximum depth: 16 ft. Surface area: 236 acres.

Measurements on this page ↑

Is Little Tamarack Flowage 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 Little Tamarack Flowage Lake?

Little Tamarack Flowage Lake typically sits around 58°F at the surface in October, from 46 EPA Water Quality Portal field readings (2024–2025). That is a typical value for the month, not a live reading.

Temp on this page ↑

How deep is Little Tamarack Flowage Lake?

Little Tamarack Flowage Lake has a maximum depth of 16 feet. The lake covers 236 acres.

What fish are in Little Tamarack Flowage Lake?

Fish species found in Little Tamarack Flowage Lake include Musky, Panfish, Largemouth Bass, Northern Pike. Little Tamarack Flowage Lake is located in Vilas County, Wisconsin.

Fish on this page ↑

What did the DNR fisheries survey find at Little Tamarack Flowage Lake?

Wisconsin DNR lists Panfish as common on Little Tamarack Flowage Lake. A DNR fisheries survey reports fish abundance and catch rates, not water quality. LakeQuality shows Little Tamarack Flowage Lake’s water-quality measurements separately, and the water-quality trend over 7 years of monitoring is declining. Catch rate is not a swim clearance and is not a weekly bite report.

DNR on this page ↑

Are there boat ramps on Little Tamarack Flowage Lake?

Little Tamarack Flowage Lake has 1 documented boat landing in the USGS National Boat Ramps inventory. Named access points include Little Tamarack Flowage. Public access is listed as yes.

Access on this page ↑

Can I fish at Little Tamarack Flowage Lake?

Little Tamarack Flowage Lake has 1 documented boat landing in the USGS National Boat Ramps inventory. 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.

Access on this page ↑

Where this data comes from

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

Collected and reported by

  • Wisconsin Department of Natural ResourcesWIDNR_WQX52 samples · 2020–2025

Analytical methods

  • Phosphorus by Colorimetry
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)

Fish and recreation data from Wisconsin DNR Lakes

Named boat-access points from the USGS National Boat Ramps inventory