This table includes Natural Resources Spray Areas (Staff) for period of June 15-19, 2026.
| Natural Resources Area | Target Species | Chemical Trade Name |
|---|---|---|
| Left Hand Creek Corridor Sunset St to confluence | Canada thistle, biennial thistles, hoary cress, hairy willowherb, purple loosestrife, poison hemlock | Milestone, Telar XP, Aquaneat, Clearcast |
| Dry Creek from Clover Basin Drive to Hover St. | Canada thistle, biennial thistles, hoary cress, hairy willowherb, purple loosestrife, poison hemlock | Milestone, Telar XP, Aquaneat, Clearcast |
| Lake McIntosh Nature Area | Canada thistle, hoary cress, hairy willowherb, Tamarisk | Milestone, Telar XP, Aquaneat, Clearcast |
| Sandstone Ranch Nature Area | Canada thistle, hoary cress, hairy willowherb | Milestone, Telar XP, Aquaneat, Clearcast |
| St. Vrain corridor Airport Rd to Boulder Creek Estates | Canada thistle, biennial thistles, hoary cress, hairy willowherb, purple loosestrife, poison hemlock | Milestone, Telar XP, Aquaneat, Clearcast |
