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Friday October 31, 2014

NYC’s DEP Digitizing Sewer Maps

For the past ten years, the New York City Department
of Environmental Protection
has been digitally mapping the water and sewer systems
underneath New York City and compiling them into a central database. The
project, which is nearing its completion, includes scanning a vast collection of old maps and synching them with
global positioning system technology.

Accelerating response and planning times during emergencies,
the database will have access from both department computers and the City’s new wireless data network, NYCWiN.

The predecessor to the database, NYCityMap, was created by the DEP in 2001 as an interactive database that linked stitched aerial
photographs of the entire city, pinpointing every manhole cover, sewer and fire
hydrant the department maintains.

The New York Times