Streams and Ditches

The streams and ditches in this dataset were conflated from various data sources, including NHD, Colorado Department of Natural Resources Division of Water Resources (CDSS), Boulder County, City of Boulder and individual ditch companies. The data was verified with field visits and extensive staff knowledge. The data includes links to various internal databases, as well as the Colorado Division of Water Resources database. Pre and Post 2013 Colorado Flood alignments are included. Flow directions for network analysis are also incorporated into the data. This data is appropriate for both small and large scale usage. This dataset is updated by both Boulder County Parks & Open Space and City of Boulder Open Space and Mountain Parks on an as-needed basis. For more geospatial data from Boulder County, please visit our Open Data Portal. Contact Information: BoulderCountyOpenSpace.gov 303-678-6200 (Mon-Fri 8 a.m. – 4:30 p.m.) 5201 St. Vrain Rd., Longmont, CO 80503