Hangzhou Bay has numerous industry and urban areas along its length raising interest among researchers, industry and the environmental regulatory community. 

Hangzhou Bay, or the Bay of Hangzhou is an inlet of the East China Sea, bordered by the province of Zhejiang and the municipality of Shanghai. The Qiantang River flows into the bay. It lies south of Shanghai, and ends at the city of Hangzhou. Hangzhou Bay contains many small islands collectively called the Zhoushan Islands (Wikipedia). 

This model grid contains 17,249 cells, with an average orthogonal deviation of 1.56 degrees. The grid stretches from Jiangnanzhen in Zhejiang to the sea. This grid was built in multiple stages and joined to together to make one complete grid in EFDC+ Explorer and Grid+.