HomeMy Public PortalAboutLTC 018-2014 - Miami-Dade Water and Sewer - Notice of Chlorine TreatmentSAL HARBOUR
F L O R I D A' S P A R A D I S E
OFFICE OF THE VILLAGE MANAGER
NO. 018-2014 LETTER TO COUNCIL
To: Mayor Jean Rosenfield and Members of the City Council
FROM: Jorge M. Gonzalez, Village Manager
DATE: October 17, 2014
SUBJECT: Miami -Dade Water and Sewer Department — Notice of Chlorine Treatment
The purpose of this Letter to Council (LTC) is to advise you that the Miami -Dade Water and Sewer
Department (WASD) will be temporarily changing its method of chlorination at each of its regional
water treatment facilities.
This change in treatment will occur beginning November 3, 2014 and will continue through
November 16, 2014.
During this period consumers may experience an unusual chlorine taste and odor in the tap water.
However, this will not cause any adverse health effects.
This periodic change in treatment has taken place annually, and will serve to ensure adequate
disinfection levels in the water.
Attached is a copy of the letter from WASD and a chlorination fact sheet for your review and
reference.
If you have any questions, please feel free to contact me.
JMG/DM
M I A M I•DADE
Water and Sewer
PO Box 330316 • 3071 SW 38 Avenue
Miami, Florida 33233-0316
T 305-665-7471
miamidade.gov October 3, 2014
Certified Mail 7012 3460 0003 6224 2486
Return Receipt Request
Bal Harbour Village
George Gonzalez, Village Manager
Bal Harbour Village
655 — 96 St.
Bal Harbour, FL 33154
Dear Mr. Gonzalez:
The Miami -Dade Water and Sewer Department (WASD) will temporarily change
its method of chlorination at each of its regional water treatment facilities.
Specifically, free chlorine treatment will be used to provide a somewhat
stronger disinfection and bleaching process than the combined chlorine
treatment which is normally used at our regional water plants. This change in
treatment will occur beginning November 3 , 2014 and will continue through
November 16 , 2014. During this period, a consumer may experience unusual
chlorine taste or odor in the tap water. However, these temporary conditions
will not cause adverse health effects. This periodic change in chlorine
treatment has taken place annually and will ensure adequate disinfection levels
in the water.
We have enclosed a chlorination fact sheet for your reference.
We sincerely regret any inconvenience our customers may experience during
this period, keeping in mind that this task is part of our ongoing effort to provide
a safe, potable water supply for the citizens of Miami -Dade County.
If you have any questions concerning this temporary change in treatment
process, please call our office at (786)552-4713.
Sincerely,
James E. Turner, Chief
Water Production and Maintenance Division
Attachments
FACTSHEET
PRACTICE OF FREE CHLORINE TREATMENT
1983 - 2014
The free chlorine treatment period will begin November 3. 2014 and continues
throunh November 16, 2014.
2. This process has been coordinated with -Miami -Dade County Health Department and
Permitting, Environment and Regulatory Affairs.
Free chlorine residual produces trihalomethanes (TTHM's). Combined residual
chlorine, as normally applied greatly reduces the formation of TTHM'S.
Studies concerning the carcinogenic effect of TTHM's in drinking water are based on
the consumption of 2 liters (slightly over 1/2 gallon) of tap water per day for 70 years.
Short periods of exposure to increased levels of TTHM's should be of little health
significance. Consuming water with elevated TTHM levels during this two -week
treatment period will not result in any adverse health effects.
5. There generally is no adverse effect to pets consuming water during these treatment
periods; however consumers with tropical fish should contact their aquarium supplier
or pet shop for specific guidance regarding water changes during this period.
6. Public Notices announcing the "Free Chlorine Treatment Period" will be published in
local newspapers. All hospitals, kidney dialysis centers, and pet shops will be notified
individually by certified mail. Wholesale customers will be similarly notified by
letter.