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Weed Control
Noxious weedNoxious weeds are more than just plants that are out of place. They are plants that are non-native and are considered invasive as they have the ability to crowd out native vegetation, crops or other desirable vegetation. They can also pose a risk to public health and safety by thorns, pollen and toxicity. The State of Colorado considers 71 plant species noxious, and Arapahoe County is home to 17 species on this list. 

The state list is prioritized into three categories: A, B and C. Weeds that are considered List A are rare and have not established in Colorado or occur in limited areas. List B weeds are well established in defined areas throughout the state. List C weeds are widespread and well established, they are considered naturalized.

Program Functions
Arapahoe County is committed to limiting the impact of noxious weeds on the County. Our program consists of the following functions:
  • Properly manage noxious weeds on County rights of ways, open space and property.
  • Assist landowners with noxious weed issues by identifying plants and providing recommendations on how to properly manage weeds.
  • Promote noxious weed education through community presentations, internet, direct mailings and site visits.
  • Enforce the Colorado Noxious Weed Act when necessary.

Contact Information
For more information about controlling weeds in Arapahoe County, contact our Weed Control Specialist Russell Johnson at 720-874-6713 or stop by the Public Works and Development offices located at:
6924 S. Lima St.
Centennial, CO  80112


Contact Us
Russell Johnson
Weed Control Specialist

Arapahoe County
Lima Plaza
6924 S. Lima St.
Centennial, CO 80112

Ph: 720-874-6713
Fx: 720-874-6611

Monday - Friday
8:00 a.m. - 4:30 p.m.