This table includes Natural Resources Spray Areas (Staff) for period of February 2 -February 6, 2026.
| Natural Resources Area | Target Species | Chemical Trade Name |
|---|---|---|
| McCall Lake Nature Area | Russian olive, tamarisk, Siberian elm | Aquaneat |
| McLachlan Open Space | Russian olive, tamarisk, Siberian elm | Aquaneat |
| St Vrain corridor from Sandstone Ranch to Peschel Open Space | Russian olive, tamarisk, Siberian elm | Aquaneat |
| Lykins Gulch | Russian olive, tamarisk, Siberian elm | Aquaneat |
| Left Hand Creek from Hwy 287 to St. Vrain Creek | Russian olive, tamarisk, Siberian elm | Aquaneat |
| Dickens Farm Nature Area | Kochia, Russian Thistle, Hoary Cress | Antares Pro |