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Ottawa Lake trout stocking

Waukesha County, Wisconsin · lake · about 861 ft elevation

Ottawa Lake was last stocked in 2025; Wisconsin publishes yearly totals rather than dates. We have 7 stockings on record since 2017. Species stocked: rainbow trout, brown trout.

Last stocked
2025
yearly total, no date published
Next planned
Not announced
Last 12 months
0 stockings
On record
7 stockings
since 2017
  • Number 15 of 31 stocked waters in Waukesha County by stocking days.
  • Stocked about as often as a typical Wisconsin water on our record.

Weather at Ottawa Lake

  • Tonight
    48°F
    Mostly Clear
    wind 0 mph
  • Tuesday
    74°F
    Mostly Sunny
    wind 0 to 10 mph
  • Tuesday Night
    61°F
    Mostly Cloudy then Slight Chance Rain Showers
    24% rain · wind 5 mph
  • Wednesday
    71°F
    Rain Showers Likely
    74% rain · wind 5 to 10 mph
  • Wednesday Night
    63°F
    Showers And Thunderstorms
    76% rain · wind 5 to 10 mph
  • Thursday
    69°F
    Showers And Thunderstorms
    76% rain · wind 5 mph

Forecast from the National Weather Service for this location, refreshed hourly.

What is stocked

SpeciesStockingsFishFish per stockingTypical size
Rainbow trout718,6992,6719.0 in
Brown trout11,0251,0259.2 in

Stocking history

20251 stocking · 4,268 fish
DateSpeciesFishSize
Yearly totalLatest
date not published
Rainbow trout
4,268
9.1 in
20241 stocking · 3,184 fish
DateSpeciesFishSize
Yearly total
date not published
Rainbow trout
3,184
9.0 in
20231 stocking · 4,270 fish
DateSpeciesFishSize
Yearly total
date not published
Rainbow trout
4,270
8.5 in
20221 stocking · 3,476 fish
  • Yearly total rainbow trout, 3,476 fish
20191 stocking · 1,822 fish
  • Yearly total rainbow trout, 1,822 fish
20181 stocking · 917 fish
  • Yearly total rainbow trout, 917 fish
20171 stocking · 1,787 fish
  • Yearly total brown trout, rainbow trout, 1,787 fish

From Wisconsin fish and wildlife agency reports, collected nightly and kept after the agency takes them down. Agencies revise reports; check the agency's report before you go. Seasons and limits: Wisconsin fishing regulations.

Where is Ottawa Lake?

Waukesha County, Wisconsin. Approximate: the marker is the USGS place-name point for this water, not an agency location.

DirectionsLarger mapWisconsin fishing regulations

Stocked waters near Ottawa Lake

All stocked waters in Waukesha CountyStocked this week in Wisconsin

Questions about Ottawa Lake

When was Ottawa Lake last stocked?
The latest reported stocking was in 2025 (rainbow trout, 4,268 fish), according to Wisconsin agency reports.
Is Ottawa Lake stocked often?
Number 15 of 31 stocked waters in Waukesha County by stocking days. Stocked about as often as a typical Wisconsin water on our record. We count each day the agency reported stocking it.
What kind of trout are stocked in Ottawa Lake?
Rainbow trout (7 stockings, 18,699 fish); Brown trout (1 stocking, 1,025 fish).

Stocking data from the Wisconsin Department of Natural Resources fish stocking database, which reports yearly totals per water after verification, without stocking dates. We will correct or remove it on request.