Crowley Flowage Lake
Price County, Wisconsin422 acresView mapDirections
Wisconsin DNR publishes the water-quality measurements for Crowley Flowage Lake. Here is what has been measured.
- Impaired · Mercury
- 46 ft max depth
- Limited data
Crowley Flowage Lake in Price County, Wisconsin has water-quality measurements published by Wisconsin DNR, shown here as reported. Water clarity: 3.1 ft visibility. Surface area: 422 acres.
Crowley Flowage Lake is a 422-acre lake in Price County, Wisconsin with an estimated average depth of about 46 feet. Public access is available with 1 public boat landing.
Source: EPA Water Quality Portal sampling records, Wisconsin DNR Surface Water, last sampled 2020-08-12. Methodology: how these readings are compared.
Crowley Flowage Lake covers about 420 acres in Price County. It has one public boat landing. Vrbo is where to look for cabins and lake homes around Crowley Flowage Lake, and Booking.com and Expedia search hotels near the lake for your dates.
What Crowley Flowage Lake is good for
From access and monitoring records, not editorial picks.
- Boat launch1 documented ramp
Swimming conditions
No readingLimited data
Nutrient and algae readings are not a swimming clearance. Crowley Flowage Lake is listed impaired under Clean Water Act §303(d) (IR 5) for mercury. Check local advisories before you swim.
Whether Crowley Flowage 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 Crowley Flowage Lake
These are the measurements Wisconsin DNR publishes for Crowley Flowage Lake, shown as reported. The condition class beside each reading is the EPA National Lakes Assessment class for this lake’s ecoregion.
Very murky, less than 3.1 ft of visibility. TSI 61.
| Measure | Reading | Where it sits |
|---|---|---|
| Water clarity (Secchi depth) | 3.1ft | 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. | 61 | Eutrophic OligotrophicMesotrophicEutrophicHypereutrophic |
High nutrients, frequent algae, reduced clarity
Ask about Crowley Flowage Lake
Answers come straight from the public measurements and survey records on this page.
Lake Details
Max depth
~46 ft est.
Surface area
422 acres
Depth marked “est.” is a modeled maximum from GLOBathy (Khazaei et al. 2022, CC0), not a measured survey. Wisconsin has not published bathymetry for Crowley Flowage Lake.
Lake Size & Watershed
Watershed (drainage) area
740 sq mi
HydroLAKES / HydroSHEDS
Shoreline
10 mi
HydroLAKES / HydroSHEDS
Elevation
1,437 ft
Size, shoreline, and watershed area from HydroLAKES (HydroSHEDS). Mean depth here is modelled, not surveyed — HydroLAKES v1.0 estimates lake depth from surrounding terrain rather than from soundings. Treat it as an approximation, and prefer a state bathymetric survey where one exists.
Recreation & Access
- Flambeau River (SixmileSemi-private
Named access points in the USGS National Boat Ramps inventory, within about 3 miles. More lakes with boat ramps
Stays via Stay22
Stays near Crowley Flowage Lake
Compare lakeside cabins, hotels, and vacation rentals near Crowley Flowage Lake in Price 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 Crowley Flowage Lake
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Fishing Crowley Flowage Lake
Reservoir Info (USACE NID)
Crowley Flowage Lake is a man-made reservoir impounded by the Crowley (completed 1930), built primarily for hydroelectric on the North Fork Flambeau; gravity-type dam, 23 ft tall and 513 ft long.
- Surface area
- 422 ac
- Normal storage
- 3,540 ac-ft
- Max storage
- 3,540 ac-ft
- Drainage area
- 820 sq mi
- Hazard class
- High
- Owner
- Flambeau Hydro, Llc
Source: USACE National Inventory of Dams, NID ID WI00788 · Operator website
EPA Impairment Status
Crowley Flowage Lake is officially listed as impaired under Clean Water Act §303(d) in the 2024 EPA reporting cycle (IR category 5).
Causes of impairment
Designated uses not supporting: Fish consumption.
Source: EPA ATTAINS assessment unit WI10003669 · Official waterbody report
Nearby Lakes in Price County
Frequently asked questions about Crowley Flowage Lake
Where is Crowley Flowage Lake?
- Crowley Flowage 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 Crowley Flowage Lake?
- Crowley Flowage Lake in Price County, Wisconsin has water-quality measurements published by Wisconsin DNR, shown here as reported. Water clarity: 3.1 ft visibility. Surface area: 422 acres.
Is Crowley Flowage Lake safe to swim in?
- Nutrient and algae readings are not a swimming clearance. Crowley Flowage Lake is listed impaired under Clean Water Act §303(d) (IR 5) for mercury. Check local advisories before you swim.
How deep is Crowley Flowage Lake?
- No published bathymetric survey covers Crowley Flowage Lake, so its depth has not been measured. The HydroLAKES global model estimates an average depth of about 46 feet, but that is a modelled estimate derived from surrounding terrain rather than a measurement on the water, so treat it as approximate. The lake covers 422 acres.
Are there boat ramps on Crowley Flowage Lake?
- Crowley Flowage Lake has 1 documented boat landing in the USGS National Boat Ramps inventory. Named access points include Flambeau River (Sixmile.
Can I fish at Crowley Flowage Lake?
- Crowley Flowage 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 Crowley Flowage Lake across LakeQuality
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Where this data comes from
3 measurements from 1 monitoring station, 2020. Retrieved from the EPA Water Quality Portal on 2026-08-02.
Collected and reported by
- Wisconsin Department of Natural Resources
WIDNR_WQX3 samples · 2020
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
Impairment status from EPA ATTAINS 303(d) database
Lake size & watershed from HydroLAKES (HydroSHEDS)
Named boat-access points from the USGS National Boat Ramps inventory