From the 311 service request feed in the Washington DC Data Catalog. Feed URL: http://data.octo.dc.gov/feeds/src/src_current.xml

Disclaimer (from the feed's metadata page): "The data made available here has been modified for use from its original source, which is the Government of the District of Columbia. Neither the District of Columbia Government nor the Office of the Chief Technology Officer (OCTO) makes any claims as to the completeness, accuracy or content of any data contained in this application; makes any representation of any kind, including, but not limited to, warranty of the accuracy or fitness for a particular use; nor are any such warranties to be implied or inferred with respect to the information or data furnished herein. The data is subject to change as modifications and updates are complete. It is understood that the information contained in the dataset is being used at one's own risk."