Two Island Lake
Two Island Lake in Chippewa County, Wisconsin has a water quality grade of B (Good). Water clarity: 15.3 ft visibility. Phosphorus: 14.8 µg/L. Maximum depth: 38 ft. Surface area: 29 acres.
Wisconsin DNR lists Largemouth Bass as common on Two Island Lake. DNR survey details →
- Clarity
- 15.3 ft
- Typical in August
- 73°F
- Max depth
- 38 ft
- Area
- 29 acres
- Type
- Mesotrophic
- Trend
- ↑ Improving
- Public access
- Yes
Next lake in Chippewa County
Swipe left or right on this bar to open the next or previous lake.
Two Island Lake is a 29-acre mesotrophic lake in Chippewa County, Wisconsin with a maximum depth of 38 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 2 documented fish species including Panfish and Largemouth Bass. Public access is available with 6 public boat landings. Compared to the 6 other monitored lakes in Chippewa County, Two Island Lake ranks #2 for water quality.
Source: EPA Water Quality Portal sampling records, Wisconsin DNR Surface Water, last sampled 2026-06-22. Grade methodology: LakeQuality methodology.
Watch Two Island Lake water quality
Subscribe for LakeQuality updates by email. No spam, unsubscribe anytime.
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)
Crystal clear, you can see 15.3 ft down. Phosphorus level: 14.8 µg/L. Trophic State Index: 40.
| Metric | Value | Grade |
|---|---|---|
| Water Clarity (Secchi Depth) | 15.3 ft | Not graded |
| Phosphorus | 14.8 µg/L | Good |
| Chlorophyll-a (Algae) | No recent samples | |
| Trophic State Index (TSI) | 40 | Mesotrophic |
Moderate nutrients, good water quality
Where to stay near Two Island Lake
Compare lakeside cabins, hotels, and vacation rentals near Two Island 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.
Top-rated places to stay near Two Island Lake
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 →
Water Temperature
Two Island Lake typically sits around 73°F at the surface in August. Summer average is about 76°F. Usually warmest in Jul (about 79°F) and coldest in Apr (about 51°F). These are typical values by month — not a live reading.
Typical surface water temperature by month, from 30 field readings (2024–2025) via the EPA Water Quality Portal. See the full Two Island Lake water temperature breakdown →
Wisconsin DNR lists Largemouth Bass as common on Two Island Lake.
A DNR fisheries survey reports fish abundance and catch rates, not a water-quality grade. LakeQuality grades Two Island Lake B from EPA Water Quality Portal chemistry, and the water-quality trend over 7 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. Monitored by volunteers since 1994. 1 station on file (most recent sample 2025).
Fish Species (DNR-rated)
Lake Details
| Characteristic | Value |
|---|---|
| Maximum Depth | 38 ft |
| Surface Area | 29 acres |
| Public Access | Yes |
Recreation & Access
- South Shattuck LakePublic
- Plummer LakePublic
- North Shattuck LakePublic
- Two Island LakePublic
- Triple LakesPublic
- Town Line LakePublic
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 Two Island Lake
Water Quality Trend: ↑ Improving
Based on 7 years of monitoring data (2020-2025).
| Metric | Trend | Change/Year | Years |
|---|---|---|---|
| Water Clarity | ↑ Improving | +0.7 m/yr | 7 |
| Phosphorus | ↑ Improving | -0.96 µg/L/yr | 7 |
County Ranking
Ranked #2 of 7 lakes in Chippewa County
Nearby Lakes in Chippewa County
Frequently asked questions about Two Island Lake
Where is Two Island Lake?
- Two Island 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 Two Island Lake?
- Two Island Lake in Chippewa County, Wisconsin has a water quality grade of B (Good). Water clarity: 15.3 ft visibility. Phosphorus: 14.8 µg/L. Maximum depth: 38 ft. Surface area: 29 acres.
Is Two Island Lake safe to swim in?
- Good for swimming, clear water with low algae levels. Two Island Lake has a water quality grade of B (Good). Always check local health department advisories before swimming.
What is the water temperature of Two Island Lake?
- Two Island Lake typically sits around 73°F at the surface in August, from 30 EPA Water Quality Portal field readings (2024–2025). That is a typical value for the month, not a live reading.
How deep is Two Island Lake?
- Two Island Lake has a maximum depth of 38 feet. The lake covers 29 acres.
What fish are in Two Island Lake?
- Fish species found in Two Island Lake include Panfish, Largemouth Bass. Two Island Lake is located in Chippewa County, Wisconsin.
What did the DNR fisheries survey find at Two Island Lake?
- Wisconsin DNR lists Largemouth Bass as common on Two Island Lake. A DNR fisheries survey reports fish abundance and catch rates, not a water-quality grade. LakeQuality grades Two Island Lake B from EPA Water Quality Portal chemistry, and the water-quality trend over 7 years of monitoring is improving. Catch rate is not a swim clearance and is not a weekly bite report.
Are there boat ramps on Two Island Lake?
- Two Island Lake has 6 documented boat landings in the USGS National Boat Ramps inventory. Named access points include South Shattuck Lake, Plummer Lake, North Shattuck Lake, Two Island Lake, among others. Public access is listed as yes.
Explore Two Island Lake across LakeQuality
Fish species and top-graded lakes across Wisconsin
Fish species and best lakes in Chippewa County
Species activity outlook by water temperature and season
Where to stay at Wisconsin's top lakes, each with its grade
Lakes in the Chippewa River Watershed, ranked by water quality
Moderate nutrients, good water quality
Wisconsin's cleanest and most-polluted lakes, ranked
More Wisconsin Lake Rankings
State Parks Near Two Island Lake
Other Grade B Lakes in Wisconsin
Mesotrophic Lakes in Wisconsin
Where this data comes from
71 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_WQX71 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
Fish and recreation data from Wisconsin DNR Lakes
Named boat-access points from the USGS National Boat Ramps inventory