Johnstown Reservoir trout stocking
Weld County, Colorado · lake · 4,981 ft elevation
Johnstown Reservoir was last stocked 17 months ago (May 2 to 8, 2025). We have 17 stockings on record since Apr 4, 2017. Most stockings come in March to May.
- Number 9 of 13 stocked waters in Weld County by stocking days.
- Stocked more often than 67% of Colorado waters on our record.
Weather at Johnstown Reservoir
- Tonight56°FChance Rain Showers30% rain · wind 6 mph
- Tuesday69°FChance Rain Showers27% rain · wind 3 to 7 mph
- Tuesday Night53°FChance Rain Showers40% rain · wind 7 mph
- Wednesday67°FChance Rain Showers47% rain · wind 7 to 12 mph
- Wednesday Night50°FChance Rain Showers43% rain · wind 7 to 12 mph
- Thursday66°FChance Rain Showers then Mostly Sunny27% rain · wind 6 to 10 mph
Forecast from the National Weather Service for this location, refreshed hourly.
When is Johnstown Reservoir stocked?
Most stockings come in March to May.
By month, all years
Year by year
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2025 | 1 | 1 | ||||||||||
| 2024 | 1 | |||||||||||
| 2023 | 1 | 1 | 1 | |||||||||
| 2022 | 3 | |||||||||||
| 2020 | 1 | 1 | ||||||||||
| 2019 | 1 | 2 | ||||||||||
| 2018 | 1 | 1 | ||||||||||
| 2017 | 1 |
Stocking history
20252 stockings
| Date | Species | Since previous |
|---|---|---|
Week of May 2Latest May 2 to May 8 | Trout | 5 weeks |
Week of Mar 28 Mar 28 to Apr 3 | Trout | 325 days |
20241 stocking
| Date | Species | Since previous |
|---|---|---|
Week of May 7 May 7 to May 13 | Trout | 361 days |
20233 stockings
| Date | Species | Since previous |
|---|---|---|
Week of May 12 May 12 to May 18 | Trout | 4 weeks |
Week of Apr 14 Apr 14 to Apr 20 | Trout | 4 weeks |
Week of Mar 17 Mar 17 to Mar 23 | Trout | 43 weeks |
20223 stockings
- Week of May 20 trout
- Week of May 13 trout
- Week of May 6 trout
20202 stockings
- Week of Apr 2 trout
- Week of Mar 11 trout
20193 stockings
- Week of Apr 26 trout
- Week of Apr 8 trout
- Week of Mar 20 trout
20182 stockings
- Week of May 9 trout
- Week of Mar 13 trout
20171 stocking
- Week of Apr 4 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 Johnstown Reservoir?
Weld County, Colorado. The marker is the agency's location for this water; streams are often stocked at several access points.
Stocked waters near Johnstown Reservoir
- Ehrlich Lakelake · 6 mistocked Apr 24, 2026
- Roberts Lakelake · 7 mistocked Feb 26, 2026
- Centennial Lakelake · 7 mistocked May 22, 2026
- Boyd Lakelake · 8 mistocked Jun 5, 2026
- Loveland Service Center Pondpond · 9 mistocked Oct 31, 2025
- North Lake Park Pondpond · 9 mistocked May 1, 2026
- Lon Hagler Reservoirlake · 10 mistocked May 1, 2026
- Union Reservoirlake · 11 mistocked Jun 5, 2026
All stocked waters in Weld CountyStocked this week in Colorado
Questions about Johnstown Reservoir
- When was Johnstown Reservoir last stocked?
- The latest reported stocking was May 2 to 8, 2025, according to Colorado agency reports.
- How often is Johnstown Reservoir stocked?
- Across all years on record, most stockings come in March to May.
- Is Johnstown Reservoir stocked often?
- Number 9 of 13 stocked waters in Weld County by stocking days. Stocked more often than 67% 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.