Skip to main content
LakeQuality

Trump Lake

Forest County, Wisconsin162 acresView mapDirections

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

Clarity
12 ft
Typical for Wisconsin
Secchi · sampled 2024
Phosphorus
10.6 µg/L
Less phosphorus than most
Measured by Wisconsin DNR
Max depth
20 ft
Bathymetric survey
Area
162 acres
Surface area
Trend
Worsening
5 years of samples
  • Rusty Crayfish
  • 20 ft max depth
  • Public access
  • Limited data

Trump Lake in Forest County, Wisconsin has water-quality measurements published by Wisconsin DNR, shown here as reported. Water clarity: 12 ft visibility. Phosphorus: 10.6 µg/L. Maximum depth: 20 ft. Surface area: 162 acres.

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

Loading map…

Trump Lake is a 162-acre lake in Forest County, Wisconsin with a maximum depth of 20 feet. Overall water quality is declining over recent sampling years. The lake supports 4 documented fish species including Panfish, Largemouth Bass, and Northern Pike. Public access is available.

Source: EPA Water Quality Portal sampling records, Wisconsin DNR Surface Water, last sampled 2024-09-16. Methodology: how these readings are compared.

What Trump Lake is good for

From access and monitoring records, not editorial picks.

  • Clear water12 ft of visibility
  • Fishing4 species recorded

Swimming conditions

No reading

Limited data

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

Whether Trump 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.

Compare swimming lakes near Rhinelander →

Get alerts for Trump Lake →

Water quality measurements for Trump Lake

These are the measurements Wisconsin DNR publishes for Trump 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 12 ft. Phosphorus 10.6 µg/L. TSI 40.

Water quality readings
MeasureReadingWhere it sits
Water clarity (Secchi depth)12ftMeasured, not scored

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

Total phosphorus10.6µg/LMeasured, not scored

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.40Oligotrophic
OligotrophicMesotrophicEutrophicHypereutrophic

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

Ask about Trump Lake

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

DNR fisheries survey

Wisconsin DNR lists Panfish as common on Trump Lake.

A DNR fisheries survey reports fish abundance and catch rates, not water quality. LakeQuality shows Trump Lake’s water-quality measurements separately, and the water-quality trend over 5 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. 1 station on file (most recent sample 2024).

Fish Species (DNR-rated)

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

DNR Reports & Resources

Wisconsin DNR Fisheries scientists publish multi-year survey reports for Trump 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).

Lake Details

Max depth

20 ft

Surface area

162 acres

Public access

Yes

Listed by Wisconsin DNR

Lake Size & Watershed

Watershed (drainage) area

2 sq mi

HydroLAKES / HydroSHEDS

Shoreline

2.5 mi

HydroLAKES / HydroSHEDS

Elevation

1,565 ft

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

Stays via Stay22

Stays near Trump Lake

Compare lakeside cabins, hotels, and vacation rentals near Trump Lake in Forest 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 Trump Lake

Prices for Oct 16–18, 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 →

Follow Trump Lake’s readings

Email me when new measurements post for this lake. Updates stay free.


Or email

Fish Species

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

Fishing Trump Lake

Invasive & Introduced Species

Red chips are ecologically harmful invasive species. Gray chips are stocked or introduced fish that aren't a current ecological concern.

Eurasian Water-MilfoilRusty Crayfish

Based on 5 years of monitoring (2020–2024).

  • Water clarity

    Worsening

    5 years

See year-by-year chart →

Regulated Pollution Sources Nearby

1 EPA-permitted facility operate within about 5 miles of Trump Lake under Clean Water Act (NPDES) discharge permits. 1 facility has a reported Clean Water Act violation in the past three years.

  • Wabeno Sanitary District #1
    Wabeno · 3.5 mi away · NPDES WI0022012
    Recent violation

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.

Nearby Lakes in Forest County

Frequently asked questions about Trump Lake

Where is Trump Lake?

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

What is the water quality of Trump Lake?

Trump Lake in Forest County, Wisconsin has water-quality measurements published by Wisconsin DNR, shown here as reported. Water clarity: 12 ft visibility. Phosphorus: 10.6 µg/L. Maximum depth: 20 ft. Surface area: 162 acres.

Measurements on this page ↑

Is Trump Lake safe to swim in?

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

Swimming on this page ↑

How deep is Trump Lake?

Trump Lake has a maximum depth of 20 feet. The lake covers 162 acres.

What fish are in Trump Lake?

Fish species found in Trump Lake include Panfish, Largemouth Bass, Northern Pike, Walleye. Trump Lake is located in Forest County, Wisconsin.

Fish on this page ↑

What did the DNR fisheries survey find at Trump Lake?

Wisconsin DNR lists Panfish as common on Trump Lake. A DNR fisheries survey reports fish abundance and catch rates, not water quality. LakeQuality shows Trump Lake’s water-quality measurements separately, and the water-quality trend over 5 years of monitoring is declining. Catch rate is not a swim clearance and is not a weekly bite report.

DNR on this page ↑

Can I fish at Trump Lake?

Public access to Trump 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.

Where this data comes from

16 measurements from 1 monitoring station, 2020–2024. Retrieved from the EPA Water Quality Portal on 2026-08-02.

Collected and reported by

  • Wisconsin Department of Natural ResourcesWIDNR_WQX16 samples · 2020–2024

Analytical methods

  • Phosphorus by Colorimetry
  • Turbidity in Water
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

Regulated discharger data from EPA ECHO (ICIS-NPDES)

Lake size & watershed from HydroLAKES (HydroSHEDS)

Fish and recreation data from Wisconsin DNR Lakes