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2009 Annual Drinking Water Quality Report

Liberty County Hosford Water System

We are pleased to announce that our drinking water meets all federal and state requirements.

 

We’re pleased to present to you this year’s Annual Water Quality Report.  This report is designed to inform you about the quality water and services we deliver to you every day.  Our constant goal is to provide you with a safe and dependable supply of drinking water.  We want you to understand the efforts we make to continually improve the water treatment process and protect our water resources.  We are committed to ensuring the quality of your water.  Our water source is ground water from two wells.  The wells draw from the Floridan Aquifer.  Because of the excellent quality of our water, the only treatments required are chlorine for disinfection purposes and fluoride for dental health purposes.

In 2009 the Department of Environmental Protection performed a Source Water Assessment on our system.  The assessment was conducted to provide information about any potential sources of contamination in the vicinity of our wells.  There are three potential sources of contamination identified for this system with a moderate susceptibility level.  The assessment results are available on the FDEP Source Water Assessment and Protection Program website at www.dep.state.fl.us/swapp or they can be obtained from the Town of Hosford.

 

If you have any questions about this report or concerning your water utility, please contact Aaron Elkins @ (850) 545-1370. We encourage our valued customers to be informed about their water utility. If you want to learn more, please attend any of our regularly scheduled meetings. They are held on the first Thursday after the first Monday of each month at the Liberty County Courthouse @ 7pm.

 

Liberty County Hosford Water System 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 monitoring for the period of January 1 to December 31, 2009.  Data obtained before January 1, 2009, and presented in this report are from the most recent testing done in accordance with the laws, rules, and regulations.

In the table below, you may find unfamiliar 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.

Initial Distribution System Evaluation (IDSE): An important part of the ???6f???D?}?E?g=~??@L?
?’E?v??>?P]?????P??j??he 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.

Action Level (AL): The concentration of a contaminant which, if exceeded, triggers treatment or other requirements that a water system must follow.

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.

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 to not reflect the benefits of the use of disinfectants to control microbial contaminants.

“ND” means not detected and indicates that the substance was not found by laboratory analysis.

Parts per million (ppm) or Milligrams per liter (mg/l) – one part by weight of analyte to 1 million parts by weight of the water sample.

Parts per billion (ppb) or Micrograms per liter (µg/l) – one part by weight of analyte to 1 billion parts by weight of the water sample.

Picocurie per liter (pCi/L) – measure of the radioactivity in water.

 

2009 CONTAMINANTS TABLE

Contaminant and Unit of Measurement Dates of sampling (mo./yr.) MCL Violation Y/N Level Detected Range of Results MCLG MCL Likely Source of Contamination

Radiological Contaminants

Alpha emitters (pCi/L) Jul-09 N 1.6

ND-1.6

0 15 Erosion of natural deposits
Radium 226 + 228 or combined radium (pCi/L) Jul-09 N 0.8 0.6-0.8 0 5 Erosion of natural deposits

Inorganic Contaminants

Barium (ppm) Jul-09 N 0.049 0.033-0.049 2 2 Discharge of drilling wastes; discharge from metal refineries; erosion of natural deposits
Fluoride (ppm) Aug-09 N 0.2 0.1-0.2 4 4.0 Erosion of natural deposits; discharge from fertilizer and aluminum factories.  Water additive which promotes strong teeth when at optimum levels between 0.7 and 1.3 ppm
Sodium (ppm) Aug-09 N 10

5-10

N/A 160 Salt water intrusion, leaching from soil
Stage 1 Disinfectant/Disinfection By-Product (D/DBP) Contaminants
Contaminant and Unit of Measurement Dates of sampling (mo./yr.) MCL Violation Y/N Level Detected Range of Results
MCLG or MRDLG
MCL or MRDL Likely Source of Contamination
Chlorine (ppm) Jan-Dec 09 N 0.73 0.6-0.8 MRDLG = 4 MRDL = 4.0 Water additive used to control microbes
Haloacetic Acids (five) (HAA5) (ppb) Aug-09 N 22.9 * 21.2-   48.94 NA MCL = 60 By-product of drinking water disinfection
TTHM [Total trihalomethanes] (ppb) Aug-09 N 65.7 *25.1-88.9 NA MCL = 80 By-product of drinking water disinfection

*Addendum includes Stage II IDSE Data

Contaminant and Unit of Measurement Dates of sampling (mo./yr.) AL Exceeded Y/N 90th Percentile Result No. of sampling sites exceeding the AL MCLG AL (Action Level) Likely Source of Contamination
Lead and Copper (Tap Water)
Copper (tap water) (ppm) Jun-Sep 08 N 0.07 0 of 20 1.3 1.3 Corrosion of household plumbing systems; erosion of natural deposits; leaching from wood preservatives
Lead (tap water) (ppb) Jun-Sep08 N 3 0 of 20 0 15 Corrosion of household plumbing systems, erosion of natural deposits

 

If present, elevated levels of lead can cause serious health problems, especially for pregnant women and young children.  Lead in drinking water is primarily from materials and components associated with service lines and home plumbing.  Hosford Water System is responsible for providing high quality drinking water, but cannot control the variety of materials used in plumbing components.  When your water has been sitting for several hours, you can minimize the potential for lead exposure by flushing your tap for 30 seconds to 2 minutes before using water for drinking or cooking.  If you are concerned about lead in your water, you may wish to have your water tested.  Information on lead in drinking water, testing methods, and steps you can take to minimize exposure is available from the Safe Drinking Water Hotline or at http://www.epa.gov/safewater/lead.

 

The sources of drinking water (both tap water and bottled water) include rivers, lakes, streams, ponds, reservoirs, springs, and wells.  As water travels over the surface of the land or through the ground, it dissolves naturally occurring minerals and, in some cases, radioactive material, and can pick up substances resulting from the presence of animals or from human activity.

 

Contaminants that may be present in source water include:

 

(A)       Microbial contaminants, such as viruses and bacteria, which may come from sewage treatment plants, septic systems, agricultural livestock operations, and wildlife.

(B)       Inorganic contaminants, such as salts and metals, which can be naturally-occurring or result from urban stormwater runoff, industrial or domestic wastewater discharges, oil and gas production, mining, or farming.

(C)       Pesticides and herbicides, which may come from a variety of sources such as agriculture, urban stormwater runoff, and residential uses.

(D)       Organic chemical contaminants, including synthetic and volatile organic chemicals, which are by-products of industrial processes and petroleum production, and can also come from gas stations, urban stormwater runoff, and septic systems.

(E)       Radioactive contaminants, which can be naturally occurring or be the result of oil and gas production and mining activities.

 

In order to ensure that tap water is safe to drink, the EPA prescribes regulations, which limit the amount of certain contaminants in water provided by public water systems.  The Food and Drug Administration (FDA) regulations establish limits for contaminants in bottled water, which must provide the same protection for public health.

 

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.

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???6f???D?}?E??<Q~??@;#
?’E?v??>?P]????P?????? infants can be particularly at risk from infections. These people should seek advice about drinking water from their health care providers. EPA/CDC 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).

 

We at Liberty County Hosford Water System would like you to understand the efforts we make to continually improve the water treatment process and protect our water resources.  We are committed to insuring the quality of your water.  If you have any questions or concerns about the information provided, please feel free to call any of the numbers listed.

 

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