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The Irrigation function provides supplemental truck watering to trees that were installed under the "Trees Only" program. This is accomplished both by staff using a 2,000 gallon County-owned water truck, and by contracted water truck services. This function also operates and maintains the County's existing limited roadway irrigation systems and will be responsible for the operation and maintenance of new county-owned roadway irrigation systems as they are installed. The Section is currently implementing the first phase of a seven year program to install telemetry-controlled irrigation, trees (where needed), and sod (Only Trees, Irrigation, and Sod - OTIS) on approximately 140 miles of median-divided unincorporated area thoroughfare roadways.
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