St Vrain State Park trout stocking
Weld County, Colorado · 4,834 ft elevation
St Vrain State Park was last stocked 133 months ago (Nov 9 to 15, 2015). We have 1 stocking on record since Nov 9, 2015.
- Number 13 of 13 stocked waters in Weld County by stocking days.
- Stocked less often than most Colorado waters on our record.
River conditions
USGS gage: ST VRAIN CR BLW BOULDER CR AT HWY 119 NR LONGMONT (2 km away).
- Flow
- 37 cfs
- about normal for the last six weeks
- Gage height
- 9.59 ft
Latest reading Sep 29, 2026, 3:00 AM UTC. USGS data are provisional. Gage page at USGS.
Weather at St Vrain State Park
- Tonight56°FChance Rain Showers34% rain · wind 5 mph
- Tuesday70°FChance Rain Showers29% rain · wind 3 to 7 mph
- Tuesday Night53°FChance Rain Showers54% rain · wind 3 to 7 mph
- Wednesday68°FRain Showers Likely55% rain · wind 5 to 10 mph
- Wednesday Night49°FChance Rain Showers47% rain · wind 7 to 10 mph
- Thursday67°FChance Rain Showers then Mostly Sunny35% rain · wind 8 mph
Forecast from the National Weather Service for this location, refreshed hourly.
Stocking history
20151 stocking
| Date | Species |
|---|---|
Week of Nov 9Latest Nov 9 to Nov 15 | 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 St Vrain State Park?
Weld County, Colorado. The marker is the agency's location for this water; streams are often stocked at several access points.
Stocked waters near St Vrain State Park
- Union Reservoirlake · 3 mistocked Jun 5, 2026
- Milavec Reservoirlake · 4 mistocked Mar 13, 2026
- Izaak Walton Longmont Pondpond · 7 mistocked Oct 3, 2025
- Thomas Reservoirlake · 10 mistocked May 22, 2026
- Lagerman Reservoirlake · 11 mistocked Jun 5, 2026
- Roberts Lakelake · 11 mistocked Feb 26, 2026
- Johnstown Reservoirlake · 12 mistocked May 2, 2025
- McCall Lakelake · 12 mistocked Jun 5, 2026
All stocked waters in Weld CountyStocked this week in Colorado
Questions about St Vrain State Park
- When was St Vrain State Park last stocked?
- The latest reported stocking was Nov 9 to 15, 2015, according to Colorado agency reports.
- Is St Vrain State Park stocked often?
- Number 13 of 13 stocked waters in Weld 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.