When was Blackrock Lake last stocked?

The latest reported stocking was Apr 10 to 16, 2026, according to Colorado agency reports.

How often is Blackrock Lake stocked?

It was stocked 3 times in the last 12 months. Across all years on record, most stockings come in March.

Is Blackrock Lake stocked often?

Number 6 of 7 stocked waters in Arapahoe County by stocking days. Stocked less often than most Colorado waters on our record. We count each day the agency reported stocking it.

Blackrock Lake trout stocking

Arapahoe County, Colorado · lake · about 5,357 ft elevation

Blackrock Lake was last stocked 6 months ago (Apr 10 to 16, 2026). We have 3 stockings on record since Mar 6, 2026, 3 in the last 12 months. Most stockings come in March.

Last stocked

6 months ago

Apr 10 to 16, 2026

Next planned

Not announced

Last 12 months

3 stockings

On record

3 stockings

since Mar 6, 2026

Number 6 of 7 stocked waters in Arapahoe County by stocking days.
Stocked less often than most Colorado waters on our record.

River conditions

Nearest USGS gage: DUTCH CR AT PLATTE CANYON DRIVE NEAR LITTLETON, CO (4 km away, on a different stream or lake).

Flow: 2 cfs; about normal for the last six weeks
Gage height: 8.58 ft

Streamflow, last six weeks (cfs), daily. Latest: 3 cfs on Sep 27.

Latest reading Sep 29, 2026, 12:50 AM UTC. USGS data are provisional. Gage page at USGS.

Weather at Blackrock Lake

Tonight
56°F
Chance Rain Showers
50% rain · wind 2 to 6 mph
Tuesday
67°F
Chance Rain Showers
36% rain · wind 3 to 7 mph
Tuesday Night
54°F
Showers And Thunderstorms
76% rain · wind 3 to 7 mph
Wednesday
64°F
Rain Showers
79% rain · wind 8 to 12 mph
Wednesday Night
50°F
Showers And Thunderstorms Likely
65% rain · wind 9 mph
Thursday
65°F
Chance Rain Showers then Partly Sunny
49% rain · wind 5 to 9 mph

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

When is Blackrock Lake stocked?

Most stockings come in March.

By month, all years

Stockings of Blackrock Lake by month, all years on record. This month is shown in blue.

Stocking history

20263 stockings

Date	Species	Since previous
Week of Apr 10Latest Apr 10 to Apr 16	Trout	3 weeks
Week of Mar 20 Mar 20 to Mar 26	Trout	2 weeks
Week of Mar 6 Mar 6 to Mar 12	Trout

From Colorado 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: Colorado fishing regulations.

Where is Blackrock Lake?

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

Directions Larger map Colorado fishing regulations

Stocked waters near Blackrock Lake

Eaglewatch Lakelake · 1 mistocked Apr 10, 2026
Ridgeview Park Pondpond · 2 mistocked Jun 16, 2023
Johnston Reservoirlake · 4 mistocked Mar 29, 2024
Centennial Park Lakelake · 5 mistocked May 1, 2026
Hine Lakelake · 6 mistocked Mar 20, 2026
Bear Creek Lakelake · 8 mistocked Mar 6, 2026
Bear Creek Reservoirlake · 8 mistocked May 29, 2026
Smith Lakelake · 9 mistocked May 1, 2026

All stocked waters in Arapahoe County Stocked this week in Colorado

Questions about Blackrock Lake

When was Blackrock Lake last stocked?: The latest reported stocking was Apr 10 to 16, 2026, according to Colorado agency reports.
How often is Blackrock Lake stocked?: It was stocked 3 times in the last 12 months. Across all years on record, most stockings come in March.
Is Blackrock Lake stocked often?: Number 6 of 7 stocked waters in Arapahoe County by stocking days. Stocked less often than most Colorado waters on our record. We count each day the agency reported stocking it.

Stocking report from Colorado Parks and Wildlife, which lists the waters stocked with catchable trout (about 10 inches) in the week before each report. Locations from the Colorado Fishing Atlas.