Title

Categorical Exclusion For the Florida Keys Aqueduct Authority¿s Water Supply Rehabilitation Project

Document Number

N2020007

Document Type

CATEX

Project Description

The Florida Keys Imperiled Water Supply Rehabilitation Project is an aggregate of the following six (6) water subprojects: P-01: Stock Island Reverse Osmosis (RO) Alternative Water Supply Rehabilitation and Improvement. Replacement of the existing seawater Reverse Osmosis (RO) Facility on Stock Island, which contains failing and obsolete technology and was damaged by Hurricane Irma. Provide up to 4 million gallons per day (mgd) of desalination process equipment in a new building with new membrane technology and continue to use the existing 2 mgd of hollow fiber membrane system in the existing building with no modifications. P-02: Grassy Key Transmission Line Replacement. Replacement of approximately 2 miles of failure prone and extremely corroded 30-inch ductile iron piping. P-03: Transmission Line Terminus Replacement. Replacement of approximately 8671.3 linear feet of extremely corroded 18-inch cast iron piping. P-04: Old Town Key West Distribution Replacement. Replacement of approximately 1 mile of expired 12-inch water distribution ductile iron piping, P-05: Islamorada Transmission Line Replacement. Replacement of approximately 5 miles of failure prone and extremely corroded 30-inch ductile iron piping with mostly 36-inch piping. P-06: Stock Island Pump Station Replacement. Replacement of the existing Stock Island distribution pump station building and equipment, which contains underperforming technology and was damaged by Hurricane Irma. This project also includes operational redundancy for emergency operations.

EPA Region/Headquarters Office

OW

State or Territory

FL

Point of Contact

Alaina McCurdy
202-564-6996
Mccurdy.Alaina@epa.gov

Date of Issuance

2020-04-29 00:00:00.0

Website

https://www.epa.gov/wifia