IMPLEMENTING A PLAN TO REMOVE GOWANUS CANAL FROM NEW YORK STATE'S TMDL LIST
Abstract:Gowanus Canal is an urbanized estuarine tributary of New York Harbor with combined sewer overflow (CSO) and stormwater discharges. It is presently on New York State's 303(d) list requiring Total Maximum Daily Load (TMDL) development. Prior to 1999, water quality conditions did not meet the numerical and narrative water quality standards of its use designation. In 1999, the New York City Department of Environmental Protection (DEP) completed it's first phase of facility planning to improve water quality and aesthetic conditions in Gowanus Canal. The DEP reactivated New York City's Gowanus Canal Flushing Tunnel, which conveys New York Harbor water below several neighborhoods in Brooklyn to the head end of the canal. Post-construction monitoring has indicated that the canal now exhibits water quality conditions that meet its designated use. This represents an opportunity to remove the waterbody from the TMDL list. The DEP is now implementing additional waterbody/watershed facility planning that will assure compliance in the foreseeable future and may facilitate a use classification upgrade.
Document Type: Research Article
Publication date: January 1, 2005
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