Round Lake
Round Lake in Chippewa County, Wisconsin has a water quality grade of B (Good). Water clarity: 8.4 ft visibility. Phosphorus: 18.1 µg/L. Maximum depth: 18 ft. Surface area: 216 acres.
Wisconsin DNR lists Musky as common on Round Lake. DNR survey details →
- Clarity
- 8.4 ft
- Max depth
- 18 ft
- Area
- 216 acres
- Type
- Mesotrophic
- Trend
- ↑ Improving
- Public access
- Yes
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Round Lake is a 216-acre mesotrophic lake in Chippewa County, Wisconsin with a maximum depth of 18 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. Compared to the 6 other monitored lakes in Chippewa County, Round Lake ranks #1 for water quality.
Source: EPA Water Quality Portal sampling records, Wisconsin DNR Surface Water, last sampled 2026-04-21. 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 8.4 ft. Phosphorus level: 18.1 µg/L. Trophic State Index: 46.
| Metric | Value | Grade |
|---|---|---|
| Water Clarity (Secchi Depth) | 8.4 ft | Not graded |
| Phosphorus | 18.1 µg/L | Good |
| Chlorophyll-a (Algae) | No recent samples | |
| Trophic State Index (TSI) | 46 | Mesotrophic |
Moderate nutrients, good water quality
Where to stay near Round Lake
Compare lakeside cabins, hotels, and vacation rentals near Round Lake in Chippewa 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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Wisconsin DNR lists Musky as common on Round Lake.
A DNR fisheries survey reports fish abundance and catch rates, not a water-quality grade. LakeQuality grades Round Lake B from EPA Water Quality Portal chemistry, and the water-quality trend over 6 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. 4 stations on file (most recent sample 2025).
Fish Species (DNR-rated)
Lake Details
| Characteristic | Value |
|---|---|
| Maximum Depth | 18 ft |
| Surface Area | 216 acres |
| Public Access | Yes |
Fish Species
Click a species to see every graded lake where it is documented.
Fishing Round Lake
Water Quality Trend: ↑ Improving
Based on 6 years of monitoring data (2020-2025).
| Metric | Trend | Change/Year | Years |
|---|---|---|---|
| Water Clarity | ↑ Improving | +0.48 m/yr | 5 |
| Phosphorus | ↑ Improving | -1.02 µg/L/yr | 6 |
EPA Impairment Status
Round Lake is officially listed as impaired under Clean Water Act §303(d) in the 2024 EPA reporting cycle (IR category 5).
Causes of impairment
Source: EPA ATTAINS assessment unit WI10008932 · Official waterbody report
County Ranking
Ranked #1 of 7 lakes in Chippewa County
Nearby Lakes in Chippewa County
Frequently asked questions about Round Lake
Where is Round Lake?
- Round Lake is a lake in Chippewa County, Wisconsin. LakeQuality grades it B for nutrients and algae. The letter is not a swimming clearance.
What is the water quality grade for Round Lake?
- Round Lake in Chippewa County, Wisconsin has a water quality grade of B (Good). Water clarity: 8.4 ft visibility. Phosphorus: 18.1 µg/L. Maximum depth: 18 ft. Surface area: 216 acres.
Is Round Lake safe to swim in?
- Good for swimming, clear water with low algae levels. Round Lake has a water quality grade of B (Good). Always check local health department advisories before swimming.
How deep is Round Lake?
- Round Lake has a maximum depth of 18 feet. The lake covers 216 acres.
What fish are in Round Lake?
- Fish species found in Round Lake include Musky, Panfish, Largemouth Bass, Northern Pike, Walleye. Round Lake is located in Chippewa County, Wisconsin.
What did the DNR fisheries survey find at Round Lake?
- Wisconsin DNR lists Musky as common on Round Lake. A DNR fisheries survey reports fish abundance and catch rates, not a water-quality grade. LakeQuality grades Round Lake B from EPA Water Quality Portal chemistry, and the water-quality trend over 6 years of monitoring is improving. Catch rate is not a swim clearance and is not a weekly bite report.
Explore Round Lake across LakeQuality
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Fish species and best lakes in Chippewa County
Species activity outlook by water temperature and season
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Lakes in the Chippewa River Watershed, ranked by water quality
Moderate nutrients, good water quality
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State Parks Near Round Lake
Other Grade B Lakes in Wisconsin
Mesotrophic Lakes in Wisconsin
Where this data comes from
44 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_WQX44 samples · 2020–2026
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
Impairment status from EPA ATTAINS 303(d) database
Lake size & watershed from HydroLAKES (HydroSHEDS)
Fish and recreation data from Wisconsin DNR Lakes