White Potato Lake
White Potato Lake in Oconto County, Wisconsin has a water quality grade of B (Good). Water clarity: 6.5 ft visibility. Phosphorus: 17 µg/L. Maximum depth: 11 ft. Surface area: 1023 acres.
Wisconsin DNR lists Panfish as common on White Potato Lake. DNR survey details →
- Clarity
- 6.5 ft
- Max depth
- 11 ft
- Area
- 1,023 acres
- Type
- Mesotrophic
- Trend
- ↑ Improving
- Public access
- Yes
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White Potato Lake is a 1,023-acre mesotrophic lake in Oconto County, Wisconsin with a maximum depth of 11 feet. Water quality is graded B based on 1 sampling years through 2026. Overall water quality is improving over recent sampling years. The lake supports 5 documented fish species including Musky, Panfish, and Largemouth Bass. Public access is available with 5 public boat landings. Compared to the 38 other monitored lakes in Oconto County, White Potato Lake ranks #26 for water quality.
Source: EPA Water Quality Portal sampling records, Wisconsin DNR Surface Water, last sampled 2026-06-15. 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)
Murky, only visible to about 6.5 ft. Phosphorus level: 17 µg/L. Trophic State Index: 48.
| Metric | Value | Grade |
|---|---|---|
| Water Clarity (Secchi Depth) | 6.5 ft | Not graded |
| Phosphorus | 17 µg/L | Good |
| Chlorophyll-a (Algae) | No recent samples | |
| Trophic State Index (TSI) | 48 | Mesotrophic |
Moderate nutrients, good water quality
Where to stay near White Potato Lake
Compare lakeside cabins, hotels, and vacation rentals near White Potato Lake in Oconto 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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Planning a trip? Cabins and lodging at White Potato Lake → · more Wisconsin lake trips
Wisconsin DNR lists Panfish as common on White Potato Lake.
A DNR fisheries survey reports fish abundance and catch rates, not a water-quality grade. LakeQuality grades White Potato Lake B from EPA Water Quality Portal chemistry, and the water-quality trend over 4 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. 3 stations on file (most recent sample 2025).
Fish Species (DNR-rated)
DNR Reports & Resources
Wisconsin DNR Fisheries scientists publish multi-year survey reports for White Potato 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).
- 2020White Potato Lake creel survey, 2020Creel Survey · WI DNR · 2020 (PDF)
Lake Details
| Characteristic | Value |
|---|---|
| Maximum Depth | 11 ft |
| Surface Area | 1,023 acres |
| Public Access | Yes |
Lake Size & Watershed
Size, shoreline, and watershed area from HydroLAKES (HydroSHEDS).
Recreation & Access
- White Potato Lake #4Public
- White Potato Lake #5Public
- White Potato Lake #3Public
- White Potato Lake #2Public
- White Potato Lake #1Public
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 White Potato 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.
Water Quality Trend: ↑ Improving
Based on 4 years of monitoring data (2020-2025).
| Metric | Trend | Change/Year | Years |
|---|---|---|---|
| Water Clarity | ↑ Improving | +0.375 m/yr | 2 |
| Phosphorus | → Stable | +0.01 µg/L/yr | 4 |
County Ranking
Ranked #26 of 39 lakes in Oconto County
Nearby Lakes in Oconto County
Frequently asked questions about White Potato Lake
Where is White Potato Lake?
- White Potato Lake is a lake in Oconto County, Wisconsin. LakeQuality grades it B for nutrients and algae. The letter is not a swimming clearance.
What is the water quality grade for White Potato Lake?
- White Potato Lake in Oconto County, Wisconsin has a water quality grade of B (Good). Water clarity: 6.5 ft visibility. Phosphorus: 17 µg/L. Maximum depth: 11 ft. Surface area: 1023 acres.
Is White Potato Lake safe to swim in?
- Good for swimming, clear water with low algae levels. White Potato Lake has a water quality grade of B (Good). Always check local health department advisories before swimming.
How deep is White Potato Lake?
- White Potato Lake has a maximum depth of 11 feet. The lake covers 1023 acres.
What fish are in White Potato Lake?
- Fish species found in White Potato Lake include Musky, Panfish, Largemouth Bass, Northern Pike, Walleye. White Potato Lake is located in Oconto County, Wisconsin.
What did the DNR fisheries survey find at White Potato Lake?
- Wisconsin DNR lists Panfish as common on White Potato Lake. A DNR fisheries survey reports fish abundance and catch rates, not a water-quality grade. LakeQuality grades White Potato Lake B from EPA Water Quality Portal chemistry, and the water-quality trend over 4 years of monitoring is improving. Catch rate is not a swim clearance and is not a weekly bite report.
Are there boat ramps on White Potato Lake?
- White Potato Lake has 5 documented boat landings in the USGS National Boat Ramps inventory. Named access points include White Potato Lake #4, White Potato Lake #5, White Potato Lake #3, White Potato Lake #2, among others. Public access is listed as yes.
Explore White Potato Lake across LakeQuality
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Moderate nutrients, good water quality
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Where this data comes from
19 measurements from 2 monitoring stations, 2020–2026. Retrieved from the EPA Water Quality Portal on 2026-08-02.
Collected and reported by
- Wisconsin Department of Natural Resources
WIDNR_WQX19 samples · 2020–2026
Analytical methods
- Phosphorus by Colorimetry
- Total Phosphorus After Block Digestion
- 2130 B ~ Nephelometric Method
Monitoring station identifiers (2)
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