Board of Water Supply. City Water Tunnel No. 1. Geological test borings on Hester Street near Allen Street on the Lower East Side, where drill rigs were collecting core samples of rock from hundreds of feet under the busy sidewalks. These geological investigations were essential in planning the path of City Water Tunnel No. 1. Public School No. 144 annex and fabric store at 80 Hester Street. March 21, 1910.