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From: EBalbis@wpb.org To: SHannah@TownofPalmBeach.com Date: 12/03/2008 01:26 PM Subject: Fw: WPB/NYC Water Quality Data Sarah, We have obtained information about the water supply in NYC as requested. Note that the City of NY produces about 33 times the amount of water than the City of West Palm Beach. We tried to compile data that can be comparable. However, NYC act as their own State agency and track different parameters than the State of Florida. See below for additional information. Eduardo E. Balbis, P.E. Assistant City Administrator City of West Palm Beach 200 - 2nd Street West Palm Beach, FL 33402 561-822-1400 561-822-1424 fax wonee Forwarded by Eduardo Balbis/WESTPALM on 12/03/2008 01:26 PM ----- David Hanks/WESTPALM 12/03/2008 10:33 AM To Eduardo Balbis/)WESTPALM@WESTPALM cc Subject WPB/NYC Water Quality Data Please let know if you want any changes made. NCY produces 1.1 billion mgd per day. Below is what they say about their treatment process: Water Treatment All surface water and groundwater entering New York City’s distribution system is treated with chlorine, fluoride, food grade phosphoric acid and, in some cases, sodium hydroxide. New York City uses chlorine to meet the New York State Sanitary Code and federal Safe Drinking Water Act (SDWA) disinfection requirements. Fluoride, at a concentration of one part per million, is added to help prevent tooth decay and has been added since 1966 in accordance with the New York City Health Code. Phosphoric acid is added to create a protective film on pipes that reduces the release of metals such as lead from household plumbing. Sodium hydroxide is added to Catskill/Delaware water to raise the pH and reduce corrosivity. David Hanks Public Utilities Director City of West Palm Beach 1000 45th Street, Suite # 15 West Palm Beach, FL 33407 561-494-1046 Work Ej pe 561-714-4619 Cell dhanks@wpb.org ‘ater Quality Tables. uls HOUSE_OVERSIGHT_016671