Izaak Walton Longmont Pond trout stocking
Boulder County, Colorado · pond · 4,961 ft elevation
Izaak Walton Longmont Pond was last stocked 12 months ago (Oct 3 to 9, 2025). We have 20 stockings on record since Oct 11, 2016, 1 in the last 12 months. Most stockings come in March and October.
- The third most stocked of 17 waters in Boulder County.
- Stocked more often than 71% of Colorado waters on our record.
River conditions
Nearest USGS gage: LEFT HAND CREEK AT HOVER ROAD NEAR LONGMONT, CO (3 km away, on a different stream or lake).
- Flow
- 1 cfs
- about normal for the last six weeks
- Gage height
- 5.34 ft
Latest reading Sep 29, 2026, 3:10 AM UTC. USGS data are provisional. Gage page at USGS.
Weather at Izaak Walton Longmont Pond
- Tonight56°FChance Rain Showers34% rain · wind 3 mph
- Tuesday69°FChance Rain Showers30% rain · wind 2 to 6 mph
- Tuesday Night54°FChance Rain Showers50% rain · wind 2 to 6 mph
- Wednesday67°FRain Showers Likely56% rain · wind 5 to 10 mph
- Wednesday Night51°FChance Rain Showers48% rain · wind 8 mph
- Thursday67°FChance Rain Showers then Mostly Sunny38% rain · wind 6 mph
Forecast from the National Weather Service for this location, refreshed hourly.
When is Izaak Walton Longmont Pond stocked?
Most stockings come in March and October.
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 | 1 | 1 | 1 | |||||||||
| 2021 | 1 | 1 | 1 | |||||||||
| 2020 | 1 | |||||||||||
| 2019 | 1 | 1 | ||||||||||
| 2018 | 1 | 1 | 1 |
Stocking history
20252 stockings
| Date | Species | Since previous |
|---|---|---|
Week of Oct 3Latest Oct 3 to Oct 9 | Trout | 30 weeks |
Week of Mar 7 Mar 7 to Mar 13 | Trout | 373 days |
20241 stocking
| Date | Species | Since previous |
|---|---|---|
Week of Feb 28 Feb 28 to Mar 5 | Trout | 160 days |
20233 stockings
| Date | Species | Since previous |
|---|---|---|
Week of Sep 21 Sep 21 to Sep 27 | Trout | 160 days |
Week of Apr 14 Apr 14 to Apr 20 | Trout | 5 weeks |
Week of Mar 10 Mar 10 to Mar 16 | Trout | 26 weeks |
20223 stockings
- Week of Sep 9 trout
- Week of Apr 8 trout
- Week of Mar 9 trout
20213 stockings
- Week of Oct 8 trout
- Week of Apr 19 trout
- Week of Mar 22 trout
20201 stocking
- Week of Oct 15 trout
20192 stockings
- Week of Oct 16 trout
- Week of Mar 12 trout
20183 stockings
- Week of Nov 23 trout
- Week of Apr 3 trout
- Week of Mar 6 trout
20171 stocking
- Week of Mar 21 trout
20161 stocking
- Week of Oct 11 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 Izaak Walton Longmont Pond?
Boulder County, Colorado. The marker is the agency's location for this water; streams are often stocked at several access points.
Stocked waters near Izaak Walton Longmont Pond
- Lagerman Reservoirlake · 4 mistocked Jun 5, 2026
- Union Reservoirlake · 4 mistocked Jun 5, 2026
- McCall Lakelake · 5 mistocked Jun 5, 2026
- St Vrain State Park7 mistocked Nov 9, 2015
- Thomas Reservoirlake · 9 mistocked May 22, 2026
- Milavec Reservoirlake · 10 mistocked Mar 13, 2026
- Erie Lakelake · 10 mistocked Oct 4, 2024
- Roberts Lakelake · 11 mistocked Feb 26, 2026
All stocked waters in Boulder CountyStocked this week in Colorado
Questions about Izaak Walton Longmont Pond
- When was Izaak Walton Longmont Pond last stocked?
- The latest reported stocking was Oct 3 to 9, 2025, according to Colorado agency reports.
- How often is Izaak Walton Longmont Pond stocked?
- It was stocked 1 times in the last 12 months. Across all years on record, most stockings come in March and October.
- Is Izaak Walton Longmont Pond stocked often?
- The third most stocked of 17 waters in Boulder County. Stocked more often than 71% 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.