Little Tamarack Flowage Lake
Little Tamarack Flowage Lake in Vilas County, Wisconsin has a water quality grade of B (Good). 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 →
- Clarity
- 8.2 ft
- Typical in August
- 73°F
- Max depth
- 16 ft
- Area
- 236 acres
- Type
- Mesotrophic
- Trend
- ↓ Declining
- Public access
- Yes
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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. Water quality is graded B based on 1 sampling years through 2025. 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. Grade methodology: LakeQuality methodology.
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Swimming Safety
Grade onlyLow algae
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.
Good for swimming, clear water with low algae levels
Water Quality Grade: B (Good)
Moderate clarity, visible to about 8.2 ft. Phosphorus level: 17 µg/L. Trophic State Index: 46.
| Metric | Value | Grade |
|---|---|---|
| Water Clarity (Secchi Depth) | 8.2 ft | Not graded |
| Phosphorus | 17 µg/L | Good |
| Chlorophyll-a (Algae) | No recent samples | |
| Trophic State Index (TSI) | 46 | Mesotrophic |
Moderate nutrients, good water quality
Where to stay 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.
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Water Temperature
Little Tamarack Flowage Lake typically sits around 73°F at the surface in August. 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.
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 →
Wisconsin DNR lists Panfish as common on Little Tamarack Flowage Lake.
A DNR fisheries survey reports fish abundance and catch rates, not a water-quality grade. LakeQuality grades Little Tamarack Flowage Lake B from EPA Water Quality Portal chemistry, 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).
Fish Species (DNR-rated)
Lake Details
| Characteristic | Value |
|---|---|
| Maximum Depth | 16 ft |
| Surface Area | 236 acres |
| Public Access | Yes |
Lake Size & Watershed
Size, shoreline, and watershed area from HydroLAKES (HydroSHEDS).
Recreation & Access
- Little Tamarack FlowagePublic
Named access points in the USGS National Boat Ramps inventory, within about 3 miles. More lakes with boat ramps
Fish Species
Click a species to see every graded lake where it is documented.
Fishing Little Tamarack Flowage Lake
Water Quality Trend: ↓ Declining
Based on 7 years of monitoring data (2020-2025).
| Metric | Trend | Change/Year | Years |
|---|---|---|---|
| Water Clarity | ↓ Declining | -0.196 m/yr | 7 |
| Phosphorus | ↓ Declining | +7.49 µg/L/yr | 7 |
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
County Ranking
Ranked #21 of 103 lakes in Vilas County
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. LakeQuality grades it B for nutrients and algae. The letter is not a swimming clearance.
What is the water quality grade for Little Tamarack Flowage Lake?
- Little Tamarack Flowage Lake in Vilas County, Wisconsin has a water quality grade of B (Good). Water clarity: 8.2 ft visibility. Phosphorus: 17 µg/L. Maximum depth: 16 ft. Surface area: 236 acres.
Is Little Tamarack Flowage Lake safe to swim in?
- Good for swimming, clear water with low algae levels. Little Tamarack Flowage Lake has a water quality grade of B (Good). Always check local health department advisories before swimming.
What is the water temperature of Little Tamarack Flowage Lake?
- Little Tamarack Flowage Lake typically sits around 73°F at the surface in August, from 46 EPA Water Quality Portal field readings (2024–2025). That is a typical value for the month, not a live reading.
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.
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 a water-quality grade. LakeQuality grades Little Tamarack Flowage Lake B from EPA Water Quality Portal chemistry, 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.
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.
Explore Little Tamarack Flowage Lake across LakeQuality
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Species activity outlook by water temperature and season
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Moderate nutrients, good water quality
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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 Resources
WIDNR_WQX52 samples · 2020–2025
Analytical methods
- Phosphorus by Colorimetry
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
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