HomeMy WebLinkAbout2008 06 09 Informational 102 Consumer Confidence Report
COMMISSION AGENDA
ITEM 1 02
CONSENT
INFORMATIONAL X
PUBLIC HEARING
REGULAR
June 9, 2008
~peeim- Meeting
MGR Ib//DEPT //}/
Authorization
REQUEST: Utility Department Providing the City Commission with a copy of the Consumer
Confidence Report that will be sent to all residents.
PURPOSE: The purpose of this Board item is to inform the City Commission that a Consumer
Confidence Report will again be sent to all Residents which is an Annual Report on the
Quality of their Drinking Water
CONSIDERATIONS:
The 1996 Safe Drinking Water Act Amendments require that, beginning in October
1999, all community water systems provide customers with an annual report on the quality of
their drinking water. It is called the Consumer Confidence Report or CCR. The report format
and content are mandated by the local DEP office.
Again this year we are required to include the notice of the groundwater contamination
investigation by FDEP that has been ongoing since first reported in 2001. The two primary
sources of contamination are the Dearborn electronics site on 17-92 north of Shepard Road and
multiple areas on Seminola Boulevard in Casselberry west of Murphy Road. We continue to
sample multiple times per year at each well at WTP #2 (Sheoah Boulevard) and WTP#3
(Bahama Road). We are finalizing an updated Wellfield Vulnerability Study which should be
completed by the end of the summer.
Results continue to be less than the Maximum Contaminant Level (MCL) of5 parts per
billion (ppb) for Dichloromethane. Results for cis-1,2-Dichloroethylene average 4 ppb with an
MCL of 70 parts per billion. When contaminants are detected at the action level, DEP requires
a plan of action be submitted to address removal ofthe contaminants when the MCL is reached.
The most common method of removal is air stripping. The rate study currently ongoing will
ascertain the potable water rates necessary to support the construction of air strippers should the
Commission decide to proceed prior to the State action thresholds.
060908 COMM Informational 102 2008 CCR
- - - - -
Informational Agenda Item 102
June 9, 2008
Page 2
This is the eighth year that the report will be provided to utility customers. A copy of
the CCR is attached. The report will be sent out the end of June.
ATTACHMENTS:
1. Consumer Confidence Report
COMMISSION ACTION:
None required.
060908_ COMM _ Infonnational_1 02_2008_ CCR
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2007 Annual Drinking Water Report
2007 Annual Drinking Water Quality Reportfor the City of Winter Springs
We're very pleased to provide you with this year's Annual Water Quality Report. We want to keep you
informed about the excellent water and services we have delivered to you over the past year. Our goal is
and always has been, to provide to you a safe and dependable supply of drinking water. Our water
source is: ground water from wells. The wells draw from the Floridan Aquifer.
Our water is obtained from ground water sources and is chlorinated for disirifection and health purposes.
We are pleased to report that our drinking water meets allfederal and state requirements. If you have any
questions about this report or concerning your water utility, please contact the water treatment facility at
407-327-8992from 8:00am to 5:00 pm.
The City of Winter Springs routinely monitors for contaminants in your drinking water according to
Federal and State laws, rules, and regulations. Except where indicated otherwise, this report is based on
the results of our monitoringfor the period of January 1 to December 31, 2007. Data obtained before
January 1, 2007, and presented in this report are from the most recent testing done in accordance with
the laws, rules, and regulations.
Some people may be more vulnerable to contaminants in drinking water than the general
population. Immuno-compromised persons such as persons with cancer undergoing chemotherapy,
persons who have undergone organ transplants, people with HIV/AIDS or other immune system
disorders, some elderly, and infants can be particularly at risk from infections. These people
should seek advice about drinking water from their health care providers. EP AleDe guidelines on
appropriate means to lessen the risk of infection by cryptosporidium and other microbiological
contaminants are available from the Safe Drinking Water Hotline (800-426-4791).
In the table below, you may find urifamiliar terms and abbreviations. To help you better understand these
terms we've provided the following definitions:
Maximum Contaminant Level or MCL: The highest level of a contaminant that is allowed in drinking
water. MCLs are set as close to the MCLGs as feasible using the best available treatment technology.
Maximum Contaminant Level Goal or MCLG: The level of a contaminant in drinking water below
which there is no known or expected risk to health. MCLGs allow for a margin of safety.
Action Level (AL): The concentration of a contaminant which, if exceeded, triggers treatment or other
requirements that a water system must follow.
Initial Distribution System Evaluation (IDSE): An important part of the Stage 2 Disinfection
Byproducts Rule (DBPR). The IDSE is a one-time study conducted by water systems to identify
distribution system locations with high concentrations of trihalomethanes (THMs) and haloacetic acids
(HAAs). Water systems will use results from the IDSE, in conjunction with their Stage 1 DBPR
compliance monitoring data, to select compliance monitoring locations for the Stage 2 DBPR.
Maximum residual disinfectant level or MRDL: The highest level of a disinfectant allowed in drinking
water. There is convincing evidence that addition of a disinfectant is necessary for control of microbial
contaminants.
2007 Annual Drinking Water Report
Maximum residual disinfectant level goal or MRDLG: The level of a drinking water disinfectant below
which there is no known or expected risk to health. MRDLGs do not reflect the benefits of the use of
disinfectants to control microbial contaminants.
Million fibers per liter (MFL) - measure of the presence of asbestos fibers that are longer than 10
micrometers.
Millirem per year (mremlyr) - measure of radiation absorbed by the body.
Nephelometric Turbidity Unit (NTU) - measure of the clarity of water. Turbidity in excess of 5 NTU is
just noticeable to the average person.
"ND" means not detected and indicates that the substance was not found by laboratory analysis.
Parts per billion (Ppb) or Micrograms per liter ()lgll) - one part by -weight of analyte to 1 billion parts by
weight of the water sample.
Parts per million (ppm) or Milligrams per liter (mgll) - one part by -weight of analyte to 1 million parts
by -weight of the water sample.
Picocurie per liter (peiIL) - measure of the radioactivity in water.
Treatment Technique (TT): A required process intended to reduce the level of a contaminant in drinking
water.
Addendum
The 2006 CCR excluded the required Nitrate results. Disinfectant bi- product range of the West svstem
was incorrect. This poses no health risk but was recorded as a reporting violation. Measures have been
taken to improve final editing.
Low levels of Di chloromethane have been detected at our vlants on Northern Wav and Bahama the
results are below. The contaminate level pose no health risk. We are close Iv monitoring these comvounds
and the results are listed below under volatile organic contaminates
Drinking water, including bottled water, may reasonably be expected to contain at least small amounts
of some contaminants. The presence of contaminants does not necessarily indicate that the water
poses a health risk. More information about contaminants and potential health effects can be obtained
by calling the Environmental Protection Agency's Safe Drinking Water Hotline at 1-800-426-4791.
2
2007 Annual Drinking Water Report
3591394 Winter Springs East
TEST RESULT TABLE
NON-SECONDARY CONTAMINANTS TABLE
roLlI col Lll'nn bacteria: T ,t':hc" \lonth j p", '''n U .1 ,; hig! !1lO11\h , lImhl'l r,f l'u"i; " samples iilr systems col lectin
>...1. 'v..... i .
fl'\\cr than 40 samples per month, \! .I,! p, ' L , Hl\. "ClUJ perc(~ntage of positive samples illr Sy:>tCI11>
'" 't ,'. Hi! '''' ( nl~
,'I,ll""'!lW at least 40 per month,
Microbiological Contaminants
Dates of MCL Highest
Contaminant and Unit of sampling Violation Monthly MCLG MCL Likely Source of
Measurement Percentage/ Contamination
(mo./yr.) Y/N Number
1. Total Coliform Bacteria 1/07-12/07 N 3 OUT OF 0 >5% MONTH Naturally present in the
283 environment
Total
Contaminant and Unit of Dates of MCL Number of Likely Source of
sampling Violation Positive MCLG MCL
Measurement (mo.lyr.) Y/N Samples for Contamination
the Year
Radiological Contaminants
5. Alpha emitters (pCilL) 6/05 N 3.0 NA 0 15 Erosion of natural
deposits
Inorganic Contaminants
Contaminant and Unit of Dates of sampling MCL Violation Level Range of MCLG MCL Likely Source of
Measurement (mo.lyr.) Y/N Detected Results Contamination
Discharge of drilling
11. Barium (ppm) 6/2005 N .0150 N 2 2 wastes; discharge from
metal refineries; erosion
of natural deposits
Discharge from steel and
14. Chromium (ppb) 6/ 2005 N 8.0 N 100 100 pulp mills; erosion of
natural deposits
Pollution from mining
19. Nickel (ppb) 6/2005 N 2.0 NA N/A 100 and refining operations.
Natural occurrence in
soil
Runoff from fertilizer
20. Nitrate (as Nitrogen) (ppm) 6/ 2005 N .01 NA 10 10 use; leaching from septic
tanks, sewage; erosion of
natural deposits
Discharge from
petroleum and metal
22. Selenium (ppb) 6/2005 N 4.0 NA 50 50 refineries; erosion of
natural deposits;
discharlZe from mines
23. Sodium (ppm) 6/ 2005 N 32.8 NA N/A 160 Salt water intrusion,
leaching from soil
Volatile Organic Contaminants
Discharge from
64. Dichloromethane (ppb) 8/ 2007 N 0.0 0 5 pharmaceutical and
chemical factories
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2007 Annual Drinking Water Report
Stage 1 Disinfectants and Disinfection By-Products
Disinfectant or Dates of MCL or Range
MRDL Level MCLGor MCL or
Contaminant and sampling Violation Detected of MRDLG MRDL Likely Source of Contamination
Unit of Measurement (moJyr.) Y/N Results
78. Chlorine (ppm) 2007 N 0.9 0.4 - 1.4 MRDLG = MRDL = 4.0 Water additive used to control microbes
4
79. Haloacetic Acids 18.68 2.0-
(five) (HAAS) (ppb) 2007 N (annual 43.24 NA \tICL = 60 By-product of drinking water disinfection
averaee)
80. TTHM [Total 55.57 27.13-
2007 N (annual NA \tICL = 80 By-product of drinking water disinfection
trihalomethanes] ( averaee 89.20
No. of
Contaminant and Unit Dates of AL 90th sampling AL (Action
of Measurement sampling Violation Percentile sites MCLG Level) Likely Source of Contamination
(moJyr.) YIN Result exceedin
I! the AL
Lead and Copper (Tap Water)
84. Copper (tap water) .686 Corrosion of household plumbing systems;
2005 N (90th 0 1.3 1.3 erosion of natural deposits; leaching from wood
(ppm) percentile preservatives
85. Lead (tap water) 3.5 Corrosion of household plumbing systems,
(ppb) 2005 N (90th 0 0 15 erosion of natural deposits
oercentile
3590879 Winter Springs West
NON-SECONDARY CONTAMINANTS TABLE
Results in the Level Detected column for radiological contaminants, inorganic contaminants, synthetic organic contaminants including pesticides and
herbicides, and volatile organic contaminants are the highest average at any ofthe sampling points or the highest detected level at any sampling point,
deoending on the samoling freQuencv.
Contaminant and Unit of Date of MCUAL
Measurement sample Violation Level Range MCLG MCL Likely Source of
analysis Y/N Detected Contamination
Bacteriological Contaminants
Total Coliform 1/07 -12/07 N 0 3 out of 0 > 5% month Naturally present in
320 the environment
Radiological Contaminants
Gross Alpha (pCiJI) 6/05 N 1.7 1. 0-1.7 0 15 Erosion of natural
deposits
Inorganic Contaminants
Discharge from
petroleum and metal
Selenium (ppm) 6/05 N .003 .002-.003 .05 .05 refineries; erosion of
natural deposits;
discharge from mines
Discharge from drilling
Barium (ppm) 6/05 N .012 .010-.0120 2 2 waste; Erosion of natural
deposits.
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2007 Annual Drinking Water Report
Discharge from steel and
Chromium (ppb) 6/05 N 8.00 5.00-8.00 100 100 pulp mills; Erosion of
natural deposits.
Sodium (ppm) 6/05 N 11.9 11.8-11.9 N/A 160 Salt water intrusion,
leaching from soil
Discharge from
petroleum and metal
Selenium (ppm) 6/05 N .003 .002-.003 .05 .05 refineries; erosion of
natural deposits;
discharj:te from mines
Discharge from drilling
Barium (ppm) 6/05 N .012 .01-.012 2 2 waste; Erosion of natural
deposits.
Sodium (ppm) 6/05 N 11.9 11.8-11.9 N/A 160 Salt water intrusion,
leaching from soil
Run-offfrom fertilizer
use; Leaching from
Nitrate (as Nitrogen) (ppm) 5/07 N .009 .011-.007 10 10 septic tanks, Sewage;
erosion of natural
deposits
Volatile-Organic Contaminants
Discharge from
Dichloromethane 8/07 N 4.6 N/A 0 5.0 pharmaceutical and
(ppb) chemical factories
Lead and Copper (Tap Water)
Lead (tap water) (ppb) 2005 N .003 o site 0 AL=15 Corrosion of household
(90th exceeded plumbing systems, erosion
percentile) AL of natural deposits
Copper (tap water) (ppm) 2005 N .800 0 1.3 AL= 1.3 Corrosion of household
(90th sampling plumbing systems; erosion
percentile) sites of natural deposits;
exceeded leaching from wood
AL preservatives
TTHMs and Stage 1 DisinfectantJDisinfection By-Product (D/DBP) Parameters
Choose one bulleted paragraph below accirding to the Section 7 instructions, depending on when monitoring began:
. For the following parameters monitored under Stage 1 D/DBP regulations, the level detected is the highest annual average of the quarterly
averages: Bromate, Chloramines, Chlorine, Haloacetic Acids, and/or TTHM (MCL 80 ppb). Range of Results is the range of results
(lowest to highest) at the individual sampling sites.
. For the following parameters monitored under Stage 1 D/DBP regulations, the level detected is the annual average of the quarterly
averages: Bromate, Chloramines, Chlorine, Haloacetic Acids, and/or TTHM (MCL 80 ppb). Range of Results is the range of results
(lowest to highest) at the individual sampling sites.
Contaminant and Unit of Dates of MCL Level Range MCLG MCL or Likely Source of Contamination
Measurement sampling Violation Detected of or MRDL
(moJyr.) Y/N Results MRDLG
78. Chlorine (ppm) 2007 N 0.83 0.4-1.4 MRDLG MRDL = 4.0 Water additive used to control microbes
=4
79. Haloacetic Acids (five) 2007 N 24.12 2.0- NA MCL= 60 By-product of drinking water
(HAAS) (ppb) (annual 60.04 disinfection
average)
80. TTHM [Total 2007 N 59.37 29.5- NA MCL = 80 By-product of drinking water
trihalomethanes] (ppb) (annual 82.8 disinfection
average
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2007 Annual Drinking Water Report
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@@~@~aUl@ ~@lI@fF Q
· An average tub holds 50 gallons of water. Conserve water by only partially filling the tub.
· Install water saving showerheads and aerators on your faucets. Water saving shower head will cut
the average flow from 4.5 gallons per minute to 1.25 gallons per minute.
· Only run dishwashers and washing machines with full loads.
· Regularly check pipes, hoses, valves, and faucets for leaks
· Add food coloring to the water in the tank. If color appears in bowl without flushing, there is a
leak. Fix or replace parts.
· Longer grass means less evaporation. Let grass grow taller in hot, dry weather.
· Water in the early morning or evening. (If you sprinkle your lawn under the hot midday sun,
you'll lose as much as 30percent of your water to evaporation.
· Several watering sessions are better than a single long one. Lawns can only absorb water so fast.
It is better to water your lawn for three 10 minute sessions with each session a half hour apart than
watering steadily for 30 minutes and cause runoff.
· Do not install irrigation rotors and spray and spray heads on the same zones. A spray head uses
more water than a rotor and you will either under water with the rotors or over water with sprays.
· Install an irrigation rain gauge to prevent unnecessary watering after rainfall events.
· Do not allow a garden hose's to run unattended. When washing the car, use a bucket for soapy
water and use the hose only for rinsing. Running water in the driveway won't get the car any
cleaner.
· Another water waster is using the hose to sweep away leaves. Use a rake and broom to clean up
sidewalks, driveways, and gutters.
Watering Restriction
· Irrigation is prohibited between 10 a.m. and 4 p.m.
· Even residential and commercial addresses can water their lawns on Thursday and Sundays.
· Odd residential and commercial addresses can water their on lawns Wednesday and Saturday
For more information on rules under the water restriction vou can contact the City of Winter
Springs Water Treatment facility at 407-327-8992.
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