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2017 Water Quality ReportANNUAL WATER QUALITY REPORT This improves the taste of the wa- ter, reduces the corrosivity, and keeps it safe to drink. The Water Department diligently operates and maintains the treat- ment facility to ensure the de- livery of reliable, safe and high quality water to our customers. The Town also has the ability to provide you with water through interconnections with the Cities of Delray Beach or Boca Raton in case of an emergency or for main- tenance that requires our plant to be shut down. We want our valued customers to be informed about your water utility and encourage you to at- tend Town Commission Meet- ings or view them on line at www. highlandbeach.us. Meetings are held at 1:30 p.m. on the first and last Tuesday of each month at the Town Hall Commission Cham- bers, 3614 South Ocean Boule- vard. If you have any questions or con- cerns about this information or to learn more about your water util- ity, please contact Edward Soper, Public Works Director or Robert Ailstock, Water Plant Superinten- dent at 561-243-2084. TOWN OF HIGHLAND BEACHWATER QUALITY REPORT 2017 In This Report 2017 Water Quality Monitoring Results Our Monitoring Process How is Our Water Treated? Definitions & Test Results Table Why are Contaminants Present in Our Water? The Town of Highland Beach is pleased to present our Water Quality Report for 2017. Publi- cation of this report allows us the opportunity to keep you in- formed about the excellent water services we have delivered over the past year. Our goal has always been to pro- vide our residents with a safe and dependable supply of drinking wa- ter. The source of the raw water is from wells drawn from the Floridan Aquifer. Since water is the earth’s most precious resource we request that citizens practice sensible con- servation measures whenever pos- sible. Reduced usage also helps to control expenses associated with pumping and treatment of water. The Town of Highland Beach Water Treatment Plant uses a state-of-the-art method of Re- verse Osmosis to treat the water that is pumped from the aqui- fer. This process removes miner- als and other contaminants from the water but does not eliminate dissolved gases. A degasification system and two air scrubbers are used to remove unwanted gases from the water. The water is then treated to add hardness, alkalinity and for disinfection. Test Results Table Lead and Copper (Tap Water) Inorganic Contaminants Stage 1 Disinfectants and Disinfection By-Products - Inorganic Contaminants Stage 2 Disinfectants and Disinfection By-Products - Inorgainic Contaminants Dates of Sampling (mo./yr.) 09/17 09/17 Dates of Sampling (mo./yr.) 06/17 06/17 06/17 06/17 Monthly 09/17 09/17 Action Level Exceedance Y/N N N Violations Exceedance Y/N N N N N N N N Percentile Result 90th 0.092 2.4 Level Detected 0.035 81.4 0.0011 0.00063 1.6 (Avg.) 1.03 (Avg.) 0.76 (Avg.) No. of Sampling Sites Exceeding the AL 0 0 Range of Results N/A N/A N/A N/A 0.70 - 2.40 0.95 - 1.20 0.48 - 1.00 MCLG 1.3 0 MRDLG or MCLG N/A N/A N/A N/A 4.0 N/A N/A Likely Source of Contamination Corrosion of household plumbing systems; erosion of natural deposits. Likely Source of Contamination Erosion of natural deposits. Discharge from fertilizer and almunium factories. Salt water intrusion; leaching from soil. Erosion of natural deposits: runoff from orchards: runoff from glass and electronics production wastes Discharge from petroleum and metal refineries: erosion of natural deposits: discharge from mines Water additive used to control microbes. By-product of drinking water disinfection. By-product of drinking water disinfection. AL (Action Level) 1.3 15 MRDL or MCL 4.0 160 0.010 0.05 4.0 80.0 60.0 Contaminant and Unit of Measure Copper (ppm) Lead (ppm) Contaminant and Unit of Measure Fluoride (ppm) Sodium (ppm) Arsenic (ppm) Selenium (ppm) Chlorine (ppm) Trihalomethanes (ppb) Haloacetic Acids (ppb) Our Monitoring Process The Town of Highland Beach Water Treatment plant routinely monitors for many contaminants in your drinking water according to Federal and State Laws; however, only those detected are included in the table below. As water travels over the land or underground it can pick up substances or contaminants such as microbes, inorganic and organic chemicals, and radioactive substances. All drinking water, including bottled drinking water, may be reasonably ex- pected to contain at least trace amounts of some contaminants. It’s important to remember that the presence of these contaminants does not necessarily pose a health risk. The state allows us to monitor for some contaminants less than once per year because the concentrations of these contaminants do not change frequently. Therefore, some of our data, although representative, is more than one year old. Definitions In the test result table you may find terms and abbreviations you might not be familiar with. To help you better understand these terms, we have provided the fol- lowing definitions: Action Level (AL) - The concen- tration of a contaminant which, if exeeded, triggers treatment or other requirements that a water system must follow. 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 us- ing the best available treatment technology. Maximum Residual Disinfec- tant Level or MRDL - The high- est level of disinfectant allowed in drinking water. There is convinc- ing evidence that addition of a disinfectant is necessary for con- trol of microbial contaminants. 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. Maximum Residual Disinfec- tant Level Goal or MRDLG - The level of a drinking water disin- fectant below which there is no known or expected risk to health. MRDLGs do not reflect the ben- efits of the use of disinfectants to control microbial contaminants. N/A - Not applicable. ND - “ND” means not detected and indicates that the substance was not found by laboratory anal- ysis. 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. 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. Test Results Table Lead and Copper (Tap Water) Inorganic Contaminants Stage 1 Disinfectants and Disinfection By-Products - Inorganic Contaminants Stage 2 Disinfectants and Disinfection By-Products - Inorgainic Contaminants Dates of Sampling (mo./yr.) 09/17 09/17 Dates of Sampling (mo./yr.) 06/17 06/17 06/17 06/17 Monthly 09/17 09/17 Action Level Exceedance Y/N N N Violations Exceedance Y/N N N N N N N N Percentile Result 90th 0.092 2.4 Level Detected 0.035 81.4 0.0011 0.00063 1.6 (Avg.) 1.03 (Avg.) 0.76 (Avg.) No. of Sampling Sites Exceeding the AL 0 0 Range of Results N/A N/A N/A N/A 0.70 - 2.40 0.95 - 1.20 0.48 - 1.00 MCLG 1.3 0 MRDLG or MCLG N/A N/A N/A N/A 4.0 N/A N/A Likely Source of Contamination Corrosion of household plumbing systems; erosion of natural deposits. Likely Source of Contamination Erosion of natural deposits. Discharge from fertilizer and almunium factories. Salt water intrusion; leaching from soil. Erosion of natural deposits: runoff from orchards: runoff from glass and electronics production wastes Discharge from petroleum and metal refineries: erosion of natural deposits: discharge from mines Water additive used to control microbes. By-product of drinking water disinfection. By-product of drinking water disinfection. AL (Action Level) 1.3 15 MRDL or MCL 4.0 160 0.010 0.05 4.0 80.0 60.0 Contaminant and Unit of Measure Copper (ppm) Lead (ppm) Contaminant and Unit of Measure Fluoride (ppm) Sodium (ppm) Arsenic (ppm) Selenium (ppm) Chlorine (ppm) Trihalomethanes (ppb) Haloacetic Acids (ppb) Why are Contaminants Present in Our Water? The sources of drinking water (both tap water and bottled water) include rivers, lakes, streams, ponds, reser- voirs, 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 hu-man 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 nat-urally-occurring or result from urban storm water runoff, industrial or do-mestic 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 storm water runoff, and residential uses. (D) Organic chemical contami-nants, including synthetic and vola-tile organic chemicals, which are by- products of industrial processes and petroleum production, and can also come from gas stations, urban storm water runoff, and septic systems. (E) Radioactive contaminants, which can be naturally-occurring or be the result of oil and gas produc-tion and mining activities. F) Lead, if present, elevated levels of lead can cause serious health prob- lems, especially for pregnant women and young children. Lead in drinking water is primarily from materials and components associated with service lines and home plumbing. The Town of Highland Beach is responsible for providing high quality drinking wa-ter, but cannot control the variety of materials used in plumbing compo-nents. When your water has been sit- ting for several hours, you can mini-mize 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 meth-ods, and steps you can take to mini- mize exposure is available from the Safe Drinking Water Hotline or at http://www.epa.gov/safewater/lead. How Is Our Water Treated? Highland Beach’s water plant uses the process of reverse osmosis to treat our water. The water plant utilizes the Floridan aquifer, and draws water from wells that are 1,200 feet deep. Although raw water is quite pristine, it is high in salin- ity (salt content). To remove the salinity and other impurities, the raw well water passes through a series of membranes. The system uses 300 horse power pumps that force the water through the membranes at very high pressures, in excess of 350 pounds per square inch (psi). An anti-scalant is used in order to protect the membranes from a build-up of solids that would result in clogging, and phosphate is used as a corrosion inhibitor as protection for the piping. Before the finished water enters the distribution system, acid and sodium hydrox- ide are added for pH adjustment, and chlorine is used as a disinfectant. The end result is that Highland Beach residents enjoy very pure water that is crystal clear. Town of Highland Beach 3614 South Ocean Blvd. Highland Beach, FL 33487 In order to ensure that tap water is safe to drink, EPA prescribes regula- tions which limit the amount of cer- tain contaminants in water provided by public water systems. FDA regu- lations establish limits for contami- nants in bottled water which must provide the same protection for pub- lic health. MCLs are set at very strin- gent levels. 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. In our continuing effort to maintain a safe and dependable water supply and to comply with applicable regu- lations it may, from time-to-time be necessary to make improvements to the water system. The costs of such improvements may be reflected in the rate structure or through ad valorem taxes. The Town recently completed construction of the new remineraliza- tion system at the Water Treatment Plant. This facility upgrade improves the taste, hardness, alkalinity and corrosivity of our drinking water. The Department of Environmental Protection performed a Source Wa- ter Assessment in 2017 which indi- cated there is one potential source of contamination with low concern level near our groundwater wells. The assessment results are available on the FDEP Source Water Assess- How Do We Ensure the Highest Quality of Water? Town of Highland Beach 3614 S. Ocean Blvd. Highland Beach FL 33487 Water Dept. Hours Monday-Friday - 7:00 a.m. to 4 p.m. Water Quality Questions Contact: Edward Soper, Public Works Director or Robert Ailstock, Water Plant Superintendent 561/243-2084 www.highlandbeach.us Additional Contacts Environmental Protection Agency’s Safe Drinking Water Hotline: 800/426-4791 • www.epa.gov Palm Beach County Public Health Unit: 561/837-5900 Florida Department of Health: 904/791-1599 ®2017 Town of Highland Beach. This publica- tion may not be reproduced in whole or in part without written authorization from the Town of Highland Beach. WATER CONSERVATION TIPS Courtesy of the Environmental Protection Agency • Repair all leaks immediately. A leaky toilet can waste 200 gallons of water per day. To detect leaks in the toilet, add food coloring to the tank; if the colored water appears in the bowl, the toilet is leaking • When using a hose, control the flow with an automatic shut-off nozzle • Water only when necessary. The most ef- fective time is early in the morning; not on windy, rainy or very hot days. Use wa- ter efficiently; direct water to plants, not to driveways or sidewalks • Replace old fixtures with high efficiency devices ment and Protection Program web- site at www. dep.state.fl.us/swapp. Note: Some individuals may be more vulnerable to contaminants in drink- ing water than the general popula- tion. Immunocompromised persons such as people with cancer undergo- ing chemotherapy, have undergone organ transplants, or those who may have HIV/AIDS or other immune sys- tem disorders, some elderly, and in- fants 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 crypto- sporidium and other microbiological contaminants are available from the Safe Drinking Water Hot Line 800- 426-4791. Presorted Standard US Postage PAID Permit No. 172 West Palm Beach, FL