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HomeMy WebLinkAboutDDW-2024-014282 ANNUAL WATER QUALITY REPORT 2020 Bona Vista Water District THIS REPORT SHOWS OUR WATER QUALITY AND WHAT IT MEANS TO YOU, OUR CUSTOMER OUR MISSION We at Bona Vista Water District work around the clock to provide top quality water to every tap. We ask that all our customers help us protect our water sources, which are the heart of our commu- nity, our way of life and our children’s future. WATER QUALITY REPORT We’re pleased to present to you this year’s Annual Drinking Water Quality Report. This report is designed to inform you about the quality of the water and services we deliver to you every day. Our constant goal is to provide you with a safe and dependable sup- ply 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 sources have been determined to be from groundwater and surface water sources. Our water sources are No. Ogden Spring and Farr West Well. We also pur- chase water from Ogden City Water System (#29011), Weber Basin WCD- North (#29109), and Weber Basin WCD- Central (#29023). WATER SOURCE The Drinking Water Source Protection Plan for Bona Vista Water District is available for your review. It contains information about source protection zones, potential contamination sources and management strategies to protect our drinking water. Our sources have been determined to have a low level of susceptibility from potential contamination. CROSS CONNECTION There are many connections to our water distribution system. When connections are properly installed and maintained, the concerns are very minimal. However, unapproved and improper piping changes or connections can adversely affect not only the availability, but also the quality of the water. A cross connection may let polluted water or even chemicals mingle into the water supply system when not properly protected. This not only com- promises the water quality but can also affect your health. So, what can you do? Do not make or allow improper connections at your homes. Even that unprotected garden hose lying in the puddle next to the driveway is a cross connection. The unprotect- ed lawn sprinkler system after you have fertilized or sprayed is also a cross connection. When the cross connection is allowed to exist at your home, it will affect you and your family first. If you’d like to learn more about helping to protect the quality of our water, call us for further information about ways you can help. MONTHLY MEETINGS Bona Vista Water District holds regularly scheudled board meetings on the last Monday of each month with the exceptions of May and December. Those meet- ings will be held May 24th and December 13th, 2021. All meetings shall be held at the district office at 2:00 pm excluding December 13th, in which the meeting will be held at 6:00 pm. TABLE DEFINITIONS In the following table you will find many terms and abbreviations you might not be familiar with. To help you better understand these terms we’ve provided the following definitions: Non-Detects (ND) - laboratory analysis indicates that the constituent is not present. ND/Low - High - For water systems that have multiple sources of water, the Utah Division of Drinking Water has given water systems the option of listing the test results of the constituents in one table, instead of multiple tables. To accomplish this, the lowest and highest values detected in the multiple sources are recorded in the same space in the report table. Parts per million (ppm) or Milligrams per liter (mg/l) - one part per million corresponds to one minute in two years or a single penny in $10,000. Parts per billion (ppb) or Micrograms per liter (ug/l) - one part per billion corresponds to one minute in 2,000 years, or a single penny in $10,000,000. Parts per trillion (ppt) or Nanograms per liter (nanograms/l) - one part per trillion corresponds to one minute in 2,000,000 years, or a single penny in $10,000,000,000. Parts per quadrillion (ppq) or Picograms per liter (picograms/l) - one part per quadrillion corresponds to one minute in 2,000,000,000 years or one penny in $10,000,000,000,000. Picocuries per liter (pCi/L) - picocuries per liter is a measure of the radioactivity in water. Millirems per year (mrem/yr) - measure of radiation absorbed by the body. Million Fibers per Liter (MFL) - million fibers per liter is a measure of the presence of asbestos fibers that are longer than 10 micrometers. Nephelometric Turbidity Unit (NTU) - nephelometric turbidity unit is a measure of the clarity of water. Turbidity in excess of 5 NTU is just noticeable to the average person. Action Level (AL) - the concentration of a contaminant which, if exceeded, triggers treatment or other requirements which a water system must follow. Treatment Technique (TT) - A treatment technique is a required process intended to reduce the level of a contaminant in drinking water. Maximum Contaminant Level (MCL) - The “Maximum Allowed” (MCL) is 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 (MCLG) - The “Goal”(MCLG) is 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 Disinfectant Level (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 (MRDLG) - The level of a drinking water disinfectant below which there is no known or ex- pected risk to health. MRDLGs do not reflect the benefits of the use of disinfectants to control microbial contaminants. Date- Because of required sampling time frames i.e. yearly, 3 years, 4 years and 6 years, sampling dates may seem out-dated. Waivers (W)- Because some chemicals are not used or stored in areas around drinking water sources, some water systems have been given waivers that exempt them from having to take certain chemi- cal samples, these waivers are also tied to Drinking Water Source Protection Plans. Questions? If you have any questions about this report or concern-ing your water, please contact Blake Carlin, at our district office. Blake Carlin Phone: (801) 621-0474 District Office: 2020 West 1300 North Farr West, Utah 84404 Hours of Operation: Monday - Friday | 9:00 AM - 5:00 PM Bona Vista Water District routinely monitors for constituents in our drinking water in accordance with the Federal and Utah State laws. The following table shows the results of our monitoring for the period of January 1st to December 31st, 2020. All drinking water, including bottled drinking water, may be reasonably expected to contain at least small amounts of some constituents. It’s important to remember that the presence of these constituents does not necessarily pose a health risk.TEST RESULTS CONTAMINANT VIOLATION Y/N LEVEL DETECTED ND/LOW-HIGH UNIT MEASURMENT MCLG MCL DATE SAMPLED LIKELY SOURCE OF CONTAMINATION MICROBIOLOGICAL CONTAMINANTS Total Coliform Bacteria N ND N/A 0 Presence of coliform bacteria in 5% of monthly samples 2020 Naturally present in the environment Fecal coliform and E.coli N N/A N/A 0 If a routine sample and repeat sample are total coliform positive, and one is also fecal coliform or E.coli 2020 Human and animal fecal waste Turbidity for groundwater N ND-0.3 NTU N/A 5 2019 Soil runoff Turbidity four surfacewater N 0.11 NTU N/A 0.5 in at least 95% of the samples and must never exceed 5.0. 2020 Soil runoff (highest single measurement & the lowest monthly percentage of samples meeting the turbidity limits) INORGANIC CONTAMINANTS Arsenic N ND-1.20 ppb 0 10 2020 Erosion of natural deposits; runnoff from orchards and glass/electronics production waste Barium N 0.0330-0.267 ppm 2 2 2020 Discharge of drilling wastes; discharge from metal refineries; erosion of natural deposits Carbon, Total Organic (TOC)N 1.079-5.45 ppm NA TT 2020 Naturally present in the environment Copper a. 90% resultsb. # of sites that exceed AL N a. 0.314b. 3 ppm 1.3 AL=1.3 2017 Corrosion of househould plumbing systems; erosion of natural deposits Cyanide N ND-2 ppb 200 200 2018 Discharge from steel/metal factories; dis- charge from plastic and fertilizer factories Flouride N ND-0.200 ppm 4 4 2020 Erosion of natural deposits; water additive which promotes strong teeth; discharge from fertilizer and aluminum factories Lead a. 90% results b. # of sites that exceed the AL N a. 1.668 b. 0 ppb 0 AL=15 2017 Corrosion of household plumbing systems, erosion of natural deposits Nitrate (as Nitrogen) N ND-1.81 ppm 10 10 2020 Runoff from fertilizer use; leaching from septic tanks, sewage; erosion of natural deposits Selenium N ND-2.10 ppb 50 50 2020 Discharge from petroleum and metal refin-eries; erosion of natural deposits; discharge from mines Sodium N 13.4-19.6 ppm None set by EPA None set by EPA 2020 Erosion of natural deposits; discharge from refineries and factories; runoff from landfills; runoff from cropland Sulfate N 5.00-42 ppm 1000 1000 2020 Erosion of natural deposits; discharge from refineries and factories; runoff from landfills; runoff from cropland TDS (Total Dissolved Solids)N 136-412 ppm 2000 2000 2020 Erosion of natural deposits DISINFECTION BY-PRODUCT TTHM [Total trihalomethanes]N ND-53.3 ppb 0 80 2020 By-product of drinking water disinfection Haloacetic Acids N 6.38-32.6 ppb 0 60 2020 By-product of drinking water disinfection RADIOACTIVE CONTAMINANTS Alpha Emitters N 0.200-2.60 pCi/1 0 15 2020 Erosion of natural deposits Gross Beta Particles N 1.90-4.40 pCi/l 0 50 2020 Decay of natural & man-made deposits Radium 228 N ND-0.32 pCi/1 0 5 2019 Erosion of natural deposits Information on the Potential for Health Concerns Relating to Drinking Water LEAD 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. Bona Vista Water District 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 wa- ter 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. MCLs MCLs are set at very stringent levels. To understand the possible health effects described for many regulated constituents, a person would have to drink 2 liters of water every day at the MCL level for a lifetime to have a one- in-a-million chance of having the described health effect. HEALTH CONCERNS RELATING TO WATER All sources of drinking water are subject to potential contamination by constituents that are naturally occurring or manmade. Those constituents can be microbes, organic or inorganic chemicals, or radioactive materials. All 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 or other immune system disorders, some elderly, and infants can be particularly at risk from infections. These people should seek advice from their health care providers about drink- ing water. 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). CROSS CONNECTION There are many connections to our water distribution system. When connections are properly installed and maintained, the concerns are very minimal. However, unapproved and improper piping changes or connections can adversely affect not only the availability, but also the quality of the water. A cross connection may let pol- luted water or even chemicals mingle into the water supply system when not properly protected. This not only compromises the water quality but can also affect your health. So, what can you do? Do not make or allow im- proper connections at your homes. Even that unprotected garden hose lying in the puddle next to the driveway is a cross connection. The unprotected lawn sprinkler system after you have fertilized or sprayed is also a cross connection. When the cross connection is allowed to exist at your home, it will affect you and your family first. If you’d like to learn more about helping to protect the quality of our water, call us for further information about ways you can help.