Lake Wandawega
Walworth County, Wisconsin120 acresView mapDirections
Wisconsin DNR publishes the water-quality measurements for Lake Wandawega. Here is what has been measured.
- Curly-Leaf Pondweed
- 8 ft max depth
- Public access
- Limited data
Lake Wandawega in Walworth County, Wisconsin has water-quality measurements published by Wisconsin DNR, shown here as reported. Water clarity: 6 ft visibility. Maximum depth: 8 ft. Surface area: 120 acres.
Wisconsin DNR rates Panfish as abundant on Lake Wandawega. DNR survey details →
Lake Wandawega is a 120-acre lake in Walworth County, Wisconsin with a maximum depth of 8 feet. Overall water quality is declining over recent sampling years. The lake supports 3 documented fish species including Panfish, Largemouth Bass, and Northern Pike. Public access is available with 1 public boat landing.
Source: EPA Water Quality Portal sampling records, Wisconsin DNR Surface Water, last sampled 2021-08-19. Methodology: how these readings are compared.
What Lake Wandawega is good for
From access and monitoring records, not editorial picks.
- Boat launch1 documented ramp
- Fishing3 species recorded
Swimming conditions
No readingLimited data
Nutrient and algae readings are not a swimming clearance. Check local advisories before you swim.
Whether Lake Wandawega 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 Lake Wandawega
These are the measurements Wisconsin DNR publishes for Lake Wandawega, 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 6 ft. TSI 51.
| Measure | Reading | Where it sits |
|---|---|---|
| Water clarity (Secchi depth) | 6ft | Measured, not scored How deep a black-and-white disk stays visible from the surface. Higher is clearer. |
| Total phosphorus | No reading 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. | 51 | Eutrophic OligotrophicMesotrophicEutrophicHypereutrophic |
High nutrients, frequent algae, reduced clarity
Ask about Lake Wandawega
Answers come straight from the public measurements and survey records on this page.
Wisconsin DNR rates Panfish as abundant on Lake Wandawega.
A DNR fisheries survey reports fish abundance and catch rates, not water quality. LakeQuality shows Lake Wandawega’s water-quality measurements separately, and the water-quality trend over 2 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. 2 stations on file (most recent sample 2021).
Fish Species (DNR-rated)
Lake Details
Max depth
8 ft
Surface area
120 acres
Public access
Yes
Listed by Wisconsin DNR
Lake Size & Watershed
Watershed (drainage) area
2 sq mi
HydroLAKES / HydroSHEDS
Shoreline
1.8 mi
HydroLAKES / HydroSHEDS
Elevation
892 ft
Size, shoreline, and watershed area from HydroLAKES (HydroSHEDS).
Recreation & Access
- Wandawega 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 Lake Wandawega
Compare lakeside cabins, hotels, and vacation rentals near Lake Wandawega in Walworth 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 Lake Wandawega
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Follow Lake Wandawega’s readings
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Fish Species
Click a species to see every lake where it is documented.
Fishing Lake Wandawega
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 readings over time
2 seasons of samples on record (2021–2023). Calling a direction takes at least 4 years of the same measurement.
Water clarity
Worsening2 years
Nearby Lakes in Walworth County
Frequently asked questions about Lake Wandawega
Where is Lake Wandawega?
- Lake Wandawega is a lake in Walworth County, Wisconsin. Its water-quality measurements are published by Wisconsin DNR and shown on this page as reported.
What is the water quality of Lake Wandawega?
- Lake Wandawega in Walworth County, Wisconsin has water-quality measurements published by Wisconsin DNR, shown here as reported. Water clarity: 6 ft visibility. Maximum depth: 8 ft. Surface area: 120 acres.
Is Lake Wandawega safe to swim in?
- Nutrient and algae readings are not a swimming clearance. Check local advisories before you swim.
How deep is Lake Wandawega?
- Lake Wandawega has a maximum depth of 8 feet. The lake covers 120 acres.
What fish are in Lake Wandawega?
- Fish species found in Lake Wandawega include Panfish, Largemouth Bass, Northern Pike. Lake Wandawega is located in Walworth County, Wisconsin.
What did the DNR fisheries survey find at Lake Wandawega?
- Wisconsin DNR rates Panfish as abundant on Lake Wandawega. A DNR fisheries survey reports fish abundance and catch rates, not water quality. LakeQuality shows Lake Wandawega’s water-quality measurements separately, and the water-quality trend over 2 years of monitoring is declining. Catch rate is not a swim clearance and is not a weekly bite report.
Are there boat ramps on Lake Wandawega?
- Lake Wandawega has 1 documented boat landing in the USGS National Boat Ramps inventory. Named access points include Wandawega Lake. Public access is listed as yes.
Can I fish at Lake Wandawega?
- Lake Wandawega has 1 documented boat landing 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 Lake Wandawega across LakeQuality
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Where this data comes from
1 measurement from 1 monitoring station, 2021. Retrieved from the EPA Water Quality Portal on 2026-08-02.
Collected and reported by
- Wisconsin Department of Natural Resources
WIDNR_WQX1 sample · 2021
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
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