NYC Resources 311 Office of the Mayor

The Timeline

Scheduled Milestones

  • 2012

    May 2012–EIS Completed

    Aug 2012–All required permits for Shaft/Tunnel construction in-hand

  • 2013

    Jan 2013–Break ground on sites and Shaft Package (NTP)

  • 2015

    Aug 2015–EIS 2 Completed

  • 2016

    Apr 2016–Groundbreaking for Catskill Aqueduct augmentation projects

    Sept 2016–Groundbreaking on Queens Groundwater augmentation projects

    Sept 2016–All Designs complete

  • 2017

    July 2017–Begin tunnel excavation with Tunnel Boring Machine (TBM)

  • 2018

    July 2018–Complete conservation projects

  • 2022

    Oct 2022–Begin Tunnel connection

  • 2024

    May 2024–Connection complete and Aqueduct reactivated

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