Wyona Lake
Columbia County, Wisconsin96 acresView mapDirections
Wisconsin DNR publishes the water-quality measurements for Wyona Lake. Here is what has been measured.
- Eutrophic
- 12 ft max depth
- Public access
- Limited data
Wyona Lake in Columbia County, Wisconsin has water-quality measurements published by Wisconsin DNR, shown here as reported. Phosphorus: 86.1 µg/L. Maximum depth: 12 ft. Surface area: 96 acres.
Wisconsin DNR rates Panfish as abundant on Wyona Lake. DNR survey details →
Wyona Lake is a 96-acre productive, nutrient-rich eutrophic lake in Columbia County, Wisconsin with a maximum depth of 12 feet. Overall water quality is improving 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. Compared to the 5 other monitored lakes in Columbia County, Wyona Lake ranks #6 for water quality.
Source: EPA Water Quality Portal sampling records, Wisconsin DNR Surface Water, last sampled 2025-09-10. Methodology: how these readings are compared.
Wyona Lake covers about 96 acres in Columbia County. It has one public boat landing. Vrbo is where to look for cabins and lake homes around Wyona Lake, and Booking.com and Expedia search hotels near the lake for your dates.
What Wyona Lake is good for
From access and monitoring records, not editorial picks.
- Boat launch1 documented ramp
- Fishing3 species recorded
Swimming conditions
Readings onlyLimited data
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 Wyona 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 Wyona Lake
These are the measurements Wisconsin DNR publishes for Wyona Lake, shown as reported. The condition class beside each reading is the EPA National Lakes Assessment class for this lake’s ecoregion.
No clarity data. Phosphorus 86.1 µg/L. TSI 68.
| Measure | Reading | Where it sits |
|---|---|---|
| Water clarity (Secchi depth) | No reading How deep a black-and-white disk stays visible from the surface. Higher is clearer. | |
| Total phosphorus | 86.1µg/L | Poor 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. | 68 | Eutrophic OligotrophicMesotrophicEutrophicHypereutrophic |
High nutrients, frequent algae, reduced clarity
Ask about Wyona Lake
Answers come straight from the public measurements and survey records on this page.
Wisconsin DNR rates Panfish as abundant on Wyona Lake.
A DNR fisheries survey reports fish abundance and catch rates, not water quality. LakeQuality shows Wyona Lake’s water-quality measurements separately, and the water-quality trend over 2 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
Max depth
12 ft
Surface area
96 acres
Public access
Yes
Listed by Wisconsin DNR
Lake Size & Watershed
Watershed (drainage) area
76 sq mi
HydroLAKES / HydroSHEDS
Shoreline
2.1 mi
HydroLAKES / HydroSHEDS
Elevation
794 ft
Size, shoreline, and watershed area from HydroLAKES (HydroSHEDS).
Recreation & Access
- Wyona County ParkPublic
Named access points in the USGS National Boat Ramps inventory, within about 3 miles. More lakes with boat ramps
Stays via Stay22
Stays near Wyona Lake
Compare lakeside cabins, hotels, and vacation rentals near Wyona Lake in Columbia 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. The water-quality readings cover nutrients and algae, not lodging. Cabins and rentals around Wyona Lake are listed below.
Top-rated places to stay near Wyona Lake
Prices for Oct 9–11, 4 adults. Change dates on the map below.
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 →
Follow Wyona Lake’s readings
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Fish Species
Click a species to see every lake where it is documented.
Fishing Wyona 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 readings over time
2 seasons of samples on record (2024–2025). Calling a direction takes at least 4 years of the same measurement.
Phosphorus
Improving-195.4 µg/L/yr2 years
Reservoir Info (USACE NID)
Wyona Lake is a man-made reservoir impounded by the Wyocena (completed 1849), built primarily for recreation on the DUCK CR; gravity-type dam, 14 ft tall and 700 ft long.
- Surface area
- 93 ac
- Normal storage
- 309 ac-ft
- Max storage
- 500 ac-ft
- Drainage area
- 75 sq mi
- Hazard class
- Low
- Owner
- Village Of Wyocena
Source: USACE National Inventory of Dams, NID ID WI00248 · Operator website
Regulated Pollution Sources Nearby
2 EPA-permitted facilities operate within about 5 miles of Wyona Lake under Clean Water Act (NPDES) discharge permits. 2 facilities have a reported Clean Water Act violation in the past three years.
- Grande Cheese Co WyocenaWyocena · 0.3 mi away · NPDES WI0051764Recent violation
- Rio Wastewater Treatment FacilityRio · 4.8 mi away · NPDES WI0020117Recent violation
Facilities permitted to discharge under the Clean Water Act within ~5 miles; proximity does not by itself mean a facility affects this lake. Source: EPA ECHO (ICIS-NPDES), as of 2026-07.
Nearby Lakes in Columbia County
Frequently asked questions about Wyona Lake
Where is Wyona Lake?
- Wyona Lake is a lake in Columbia County, Wisconsin. Its water-quality measurements are published by Wisconsin DNR and shown on this page as reported.
What is the water quality of Wyona Lake?
- Wyona Lake in Columbia County, Wisconsin has water-quality measurements published by Wisconsin DNR, shown here as reported. Phosphorus: 86.1 µg/L. Maximum depth: 12 ft. Surface area: 96 acres.
Is Wyona Lake safe to swim in?
- Nutrient and algae readings are not a swimming clearance. Check local advisories before you swim.
How deep is Wyona Lake?
- Wyona Lake has a maximum depth of 12 feet. The lake covers 96 acres.
What fish are in Wyona Lake?
- Fish species found in Wyona Lake include Panfish, Largemouth Bass, Northern Pike. Wyona Lake is located in Columbia County, Wisconsin.
What did the DNR fisheries survey find at Wyona Lake?
- Wisconsin DNR rates Panfish as abundant on Wyona Lake. A DNR fisheries survey reports fish abundance and catch rates, not water quality. LakeQuality shows Wyona Lake’s water-quality measurements separately, and the water-quality trend over 2 years of monitoring is improving. Catch rate is not a swim clearance and is not a weekly bite report.
Are there boat ramps on Wyona Lake?
- Wyona Lake has 1 documented boat landing in the USGS National Boat Ramps inventory. Named access points include Wyona County Park. Public access is listed as yes.
Can I fish at Wyona Lake?
- Wyona Lake 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 Wyona Lake across LakeQuality
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Fish species and best lakes in Columbia County
Species activity outlook by water temperature and season
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Where to stay at Wisconsin's top lakes, each with its readings
Lakes in the Wisconsin River Watershed, ranked by water quality
Wisconsin's cleanest lakes, ranked on agency measurements
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State Parks Near Wyona Lake
Other Lakes in Wisconsin
Eutrophic Lakes in Wisconsin
Where this data comes from
6 measurements from 1 monitoring station, 2024–2025. Retrieved from the EPA Water Quality Portal on 2026-08-02.
Collected and reported by
- Wisconsin Department of Natural Resources
WIDNR_WQX6 samples · 2024–2025
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
Regulated discharger data from EPA ECHO (ICIS-NPDES)
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