Contact your local county Extension office through our County Office List.

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The quality and quantity of water available concerns citizens throughout the West. Whether you are concerned about how and when to water your home garden and landscape, or a large commercial enterprise making water use decisions, you’ll find Extension resources to help answer questions. Topic areas include Home & Garden and Irrigation.



CSU Extension has several publications for the Colorado gardener. Topics in this section include: Home & Garden and Irrigation.

Home & Garden

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Hot Topics

Nitrates in Drinking Water
Nitrates in Drinking Water
Nitrate is a colorless, odorless, and tasteless compound that is present in some groundwater in Colorado. Learn more
Effects of Weather on Irrigation Requirements
Effects of Weather on Irrigation Requirements
Variability in evapotranspiration demand and precipitation causes irrigation requirements to change from year to year. Learn more
Irrigation Ditches and their Operation
Irrigation Ditches and their Operation
Ditch companies have the right to enter your property to maintain the ditch and ditch banks and perform “reasonably necessary” operations. Learn more


Water Feature Programs

Water and Weather
Water and Weather
Become a volunteer weather watcher–collect data about storms & precipitation around Colorado. Learn more
Colorado Water Center
Resource about water, state agencies that develop water policies, and water-related agencies. Learn more