Round Lake
Price County, Wisconsin748 acresView mapDirections
Wisconsin DNR publishes the water-quality measurements for Round Lake. Here is what has been measured.
- Eutrophic
- Purple Loosestrife
- 24 ft max depth
- Public access
Round Lake in Price County, Wisconsin has water-quality measurements published by Wisconsin DNR, shown here as reported. Water clarity: 4 ft visibility. Phosphorus: 28 µg/L. Maximum depth: 24 ft. Surface area: 748 acres.
Wisconsin DNR rates Walleye as abundant on Round Lake. DNR survey details →
Round Lake is a 748-acre productive, nutrient-rich eutrophic lake in Price County, Wisconsin with a maximum depth of 24 feet. Water clarity is declining over recent sampling years. The lake supports 6 documented fish species including Musky, Panfish, and Smallmouth Bass. Public access is available with 2 public boat landings. Compared to the 12 other monitored lakes in Price County, Round Lake ranks #5 for water quality.
Source: EPA Water Quality Portal sampling records, Wisconsin DNR Surface Water, last sampled 2026-06-22. Methodology: how these readings are compared.
What Round Lake is good for
From access and monitoring records, not editorial picks.
- Boat launch2 documented ramps
- Fishing6 species recorded
Swimming conditions
Readings onlyModerate 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 Round 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.
Water quality measurements for Round Lake
These are the measurements Wisconsin DNR publishes for Round Lake, shown as reported. The condition class beside each reading is the EPA National Lakes Assessment class for this lake’s ecoregion.
Murky, only visible to about 4 ft. Phosphorus 28 µg/L. TSI 55.
| Measure | Reading | Where it sits |
|---|---|---|
| Water clarity (Secchi depth) | 4ft | Measured, not scored How deep a black-and-white disk stays visible from the surface. Higher is clearer. |
| Total phosphorus | 28µg/L | Fair 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. | 55 | Eutrophic OligotrophicMesotrophicEutrophicHypereutrophic |
High nutrients, frequent algae, reduced clarity
Ask about Round Lake
Answers come straight from the public measurements and survey records on this page.
Blue-Green Algae (Cyanobacteria)
There’s no recent EPA CyAN cyanobacteria estimate for Round Lake — clouds, ice, or an off-season gap in coverage. The most recent reading was low (11,588 cells/mL) on May 16, 2026.
Blue-green algae can appear and clear within days, so check your state’s current advisory before swimming. EPA CyAN ↗
Wisconsin DNR rates Walleye as abundant on Round Lake.
A DNR fisheries survey reports fish abundance and catch rates, not water quality. LakeQuality shows Round Lake’s water-quality measurements separately, and the water-quality trend over 7 years of monitoring is stable. 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 1999. 2 stations on file (most recent sample 2025).
Fish Species (DNR-rated)
Lake Details
Max depth
24 ft
Surface area
748 acres
Public access
Yes
Listed by Wisconsin DNR
Recreation & Access
- Round LakePublic
- Round LakePublic
Named access points in the USGS National Boat Ramps inventory, within about 3 miles. More lakes with boat ramps
Stays via Stay22
Stays near Round Lake
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Fish Species
Click a species to see every lake where it is documented.
Fishing Round 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: Stable
Based on 7 years of monitoring (2020–2026).
Water clarity
Worsening5 years
Phosphorus
Improving-0.87 µg/L/yr7 years
Nearby Lakes in Price County
Frequently asked questions about Round Lake
Where is Round Lake?
- Round Lake is a lake in Price County, Wisconsin. Its water-quality measurements are published by Wisconsin DNR and shown on this page as reported.
What is the water quality of Round Lake?
- Round Lake in Price County, Wisconsin has water-quality measurements published by Wisconsin DNR, shown here as reported. Water clarity: 4 ft visibility. Phosphorus: 28 µg/L. Maximum depth: 24 ft. Surface area: 748 acres.
Is Round Lake safe to swim in?
- Nutrient and algae readings are not a swimming clearance. Check local advisories before you swim.
How deep is Round Lake?
- Round Lake has a maximum depth of 24 feet. The lake covers 748 acres.
What fish are in Round Lake?
- Fish species found in Round Lake include Musky, Panfish, Smallmouth Bass, Northern Pike, Walleye, Sturgeon. Round Lake is located in Price County, Wisconsin.
What did the DNR fisheries survey find at Round Lake?
- Wisconsin DNR rates Walleye as abundant on Round Lake. A DNR fisheries survey reports fish abundance and catch rates, not water quality. LakeQuality shows Round Lake’s water-quality measurements separately, and the water-quality trend over 7 years of monitoring is stable. Catch rate is not a swim clearance and is not a weekly bite report.
Does Round Lake have blue-green algae?
- There is no recent EPA CyAN cyanobacteria estimate for Round Lake (clouds, ice, or an off-season gap). The most recent reading was low (11,588 cells/mL). Blue-green algae can appear and clear within days, so check Wisconsin's current advisory before swimming.
Are there boat ramps on Round Lake?
- Round Lake has 2 documented boat landings in the USGS National Boat Ramps inventory. Named access points include Round Lake, Round Lake. Public access is listed as yes.
Can I fish at Round Lake?
- Round Lake has 2 documented boat landings 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.
Explore Round Lake across LakeQuality
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Where this data comes from
40 measurements from 1 monitoring station, 2020–2026. Retrieved from the EPA Water Quality Portal on 2026-08-02.
Collected and reported by
- Wisconsin Department of Natural Resources
WIDNR_WQX40 samples · 2020–2026
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
Fish and recreation data from Wisconsin DNR Lakes
Named boat-access points from the USGS National Boat Ramps inventory