Colorado Department of Agriculture
Soil contamination, environmental impact,
Noxious weed management and identification

Colorado State and Larimer County Extension
Agriculture, Drought, Plant, Life Education Resource.

National Oceanic and Atmospheric Administration
Weather forecasts and satellite imagery.  Snow reports.  Education resource.

Irrigation Association
The Irrigation Association is the leading membership organization for irrigation companies and professionals. Together with our members, we are committed to promoting efficient irrigation and to long-term sustainability of water resources for future generations.

Planet Landcare Network
The Professional Landcare Network (PLANET) is an international association serving lawn care professionals, landscape management, design/build/installation professionals, irrigation & water management professionals.