Main Lake trout stocking
Jefferson County, Colorado · lake · 5,651 ft elevation
Main Lake was last stocked 11 months ago (Nov 14 to 20, 2025). We have 16 stockings on record since Mar 17, 2015, 1 in the last 12 months. Most stockings come in March to April and September.
- Number 7 of 14 stocked waters in Jefferson County by stocking days.
- Stocked more often than 65% of Colorado waters on our record.
River conditions
Nearest USGS gage: LENA GULCH AT LAKEWOOD, CO (6 km away, on a different stream or lake).
- Flow
- 1 cfs
- about normal for the last six weeks
- Gage height
- 9.77 ft
Latest reading Sep 28, 2026, 8:45 PM UTC. USGS data are provisional. Gage page at USGS.
Weather at Main Lake
- Tonight54°FChance Rain Showers50% rain · wind 2 to 7 mph
- Tuesday66°FChance Rain Showers35% rain · wind 2 to 6 mph
- Tuesday Night53°FRain Showers Likely71% rain · wind 6 mph
- Wednesday63°FRain Showers Likely71% rain · wind 6 to 12 mph
- Wednesday Night49°FRain Showers Likely59% rain · wind 7 to 10 mph
- Thursday64°FChance Rain Showers then Partly Sunny47% rain · wind 5 to 9 mph
Forecast from the National Weather Service for this location, refreshed hourly.
When is Main Lake stocked?
Most stockings come in March to April and September.
By month, all years
Year by year
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2025 | 1 | 1 | ||||||||||
| 2024 | 1 | 1 | ||||||||||
| 2023 | 1 | |||||||||||
| 2022 | 1 | |||||||||||
| 2021 | 1 | 1 | ||||||||||
| 2020 | 1 | 2 | ||||||||||
| 2019 | 1 | |||||||||||
| 2017 | 1 |
Stocking history
20252 stockings
| Date | Species | Since previous |
|---|---|---|
Week of Nov 14Latest Nov 14 to Nov 20 | Trout | 8 weeks |
Week of Sep 19 Sep 19 to Sep 25 | Trout | 372 days |
20242 stockings
| Date | Species | Since previous |
|---|---|---|
Week of Sep 12 Sep 12 to Sep 18 | Trout | 160 days |
Week of Apr 5 Apr 5 to Apr 11 | Trout | 198 days |
20231 stocking
| Date | Species | Since previous |
|---|---|---|
Week of Sep 20 Sep 20 to Sep 26 | Trout | 299 days |
20221 stocking
- Week of Nov 25 trout
20212 stockings
- Week of Apr 6 trout
- Week of Feb 4 trout
20203 stockings
- Week of Apr 17 trout
- Week of Apr 3 trout
- Week of Mar 6 trout
20191 stocking
- Week of Apr 5 trout
20171 stocking
- Week of Mar 7 trout
20161 stocking
- Week of May 3 trout
20152 stockings
- Week of May 26 trout
- Week of Mar 17 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 Main Lake?
Jefferson County, Colorado. The marker is the agency's location for this water; streams are often stocked at several access points.
Stocked waters near Main Lake
- Smith Lakelake · 1 mistocked May 1, 2026
- Bear Creek Reservoirlake · 3 mistocked May 29, 2026
- Bear Creek Lakelake · 3 mistocked Mar 6, 2026
- Sloans Lakelake · 5 mistocked Mar 27, 2026
- Hine Lakelake · 6 mistocked Mar 20, 2026
- Johnston Reservoirlake · 6 mistocked Mar 29, 2024
- Centennial Park Lakelake · 7 mistocked May 1, 2026
- Berkeley Lakelake · 7 mistocked Mar 27, 2026
All stocked waters in Jefferson CountyStocked this week in Colorado
Questions about Main Lake
- When was Main Lake last stocked?
- The latest reported stocking was Nov 14 to 20, 2025, according to Colorado agency reports.
- How often is Main Lake stocked?
- It was stocked 1 times in the last 12 months. Across all years on record, most stockings come in March to April and September.
- Is Main Lake stocked often?
- Number 7 of 14 stocked waters in Jefferson County by stocking days. Stocked more often than 65% of 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.