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).

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

Species	Stockings	Fish	Fish per stocking	Typical size
Rainbow trout	7	18,699	2,671	9.0 in
Brown trout	1	1,025	1,025	9.2 in

Stocking history

20251 stocking · 4,268 fish

Date	Species	Fish	Size
Yearly totalLatest date not published	Rainbow trout	4,268	9.1 in

20241 stocking · 3,184 fish

Date	Species	Fish	Size
Yearly total date not published	Rainbow trout	3,184	9.0 in

20231 stocking · 4,270 fish

Date	Species	Fish	Size
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.

Directions Larger map Wisconsin fishing regulations

Stocked waters near Ottawa Lake

Jericho Creekstream · 4 mi3 on record
Spring Brookstream · 6 mi1 on record
Lower Genesee Lakelake · 7 mi17 on record
Lower Nemahbin Lakelake · 8 mi1 on record
Upper Nemahbin Lakelake · 9 mi2 on record
Lake Beulahlake · 9 mi4 on record
Lower Nashotah Lakelake · 10 mi6 on record
Pebble Creekstream · 12 mi1 on record

All stocked waters in Waukesha County Stocked 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.