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San Leon Municipal Utility District 443 24th Street San Leon, Texas 77539
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2010 Annual Drinking Water Quality Report
SAN LEON MUNICIPAL UTILITY DISTRICT (CONSUMER CONFIDENCE REPORT)
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SPECIAL NOTICE Required language for ALL community public water supplies:
You may be more vulnerable than the general population to certain microbial contaminants, such as Cryptosporidium, in drinking water. Infants, some elderly of immune compromised such as those undergoing chemotherapy for cancer; those who have undergone organ transplants; those who are undergoing treatment with steroids; and people with or other immune system disorders can be particularly at risk of infections. You should seek advice about drinking water to your physician or health care provider. Additional guidelines on appropriate means to lessen the risk of infection from Cryptosporidium are available from the Safe Drinking Water Hotline (1-800-426-4791).
Public Participation Opportunities
Date: Third Tuesday of Every Month Time: 6:30 p. m. Location: 443 24th Street in San Leon
To learn about future public meetings (concerning your drinking water) or to request to schedule one, please call us.
Our Drinking Water IS REGULATED
This report is a summary of the quality of the water we provide our customers. The analysis was made by using the data from the most recent U. S.
Environmental Protection Agency (EPA) required tests and is presented in the attached pages. We hope this information helps you become more knowledgeable about what’s in your drinking water.
sOURCE OF dRINKING wATER
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 before treatment include:
Microbial contaminants, such as virus and bacteria which may come from sewage treatment plants, septic systems, agricultural livestock operations and wildlife. Inorganic contaminants, such as salts and metals, which can be naturally-occurring or result from urban storm water runoff, industrial or domestic wastewater discharges, oil and gas production, mining, or farming. Pesticides and herbicides, which may come from a variety of sources, such as agriculture, urban storm water runoff and residential uses. Organic chemical contaminants, including synthetic and volatile organic chemicals, which are by-products of industrial processes and petroleum production, and come from gas stations, urban storm water runoff and septic systems. Radioactive contaminants, which can be naturally-occurring or be the result of oil and gas production and mining activities. En Espanol
Este informe incluye informacion importante sobre el agua potable. Si tiene preguntas o comentarios sobre este infrome en espanol, favor de llamar al tel. (281)339- 1586 parahablar con una persona bilingie espanol.
Where do we get our drinking water?
The source of drinking water used by SAN LEON MUNICIPAL UTILITY DISTRICT is Purchased Surface Water. A Source Water Susceptibility Assessment for your drinking water sources(s) is currently being updated by the Texas Commission on Environmental Quality. This information describes the susceptibility and types of constituents that may come into contact with your drinking water source based on human activities and natural conditions. The information contained in the assessment allows us to focus sources water protection strategies. Some of this source water assessment information is available on the Texas Drinking Water Watch at http://dww.tceq.state.tx.us/DWW/ . For more information on source water assessments and protection efforts at our system, please contact us.
ALL drinking water may contain contaminants
When drinking water meets federal standards there may not be any health based benefits to purchasing bottled water or point of use devices. 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 water poses a health risk. More information about contami nants and potential health effects can be obtained by calling the EPA's Safe Drinking Water Hotline (1-800-426-4791).
Secondary Constituents
Many constituents (such as calcium, sodium, or iron) which are often found in drinking water can cause taste, color, and odor problems. The taste and odor constituents are called secondary constituents and are regulated by the State of Texas, not the EPA. These constituents are not causes for health concern. Therefore, secondary’s are not required to be reported in this document but they may greatly affect the appearance and taste of your water. ABBREVIATIONS
NTU - Nephelometric Turbidity Units MFL - million fibers per liter (a measure of asbestos) pCi/1 - picocuries per liter (a measure of radioactivity) ppm - parts per million, or milligrams per liter (mg/L) ppb - parts per billion, or micrograms per liter ppt - parts per trillion, or nanograms per litter ppq - parts per quadrillion, or picograms per liter
DEFINITIONS
Maximum Contaminant Level Goal (MCLG): The level of a contaminant in drinking water below which there is no known or expected risk to health. MCLG’s allow for a margin of safety. Maximum Contaminant Level or: The highest level of contaminant that is allowed in drinking water. MCL’s are set as close to the MCLG’s as feasible using the best available treatment technology. Maximum Residual Disinfectant Level Goal (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 contaminations. Maximum Residual Disinfectant Level (MRDL): The highest level of disinfectant allowed in drinking water. There is convincing evidence that addition of a disinfec tant is necessary for control of microbial contaminants. Avg. Regulatory compliance with some MCL’s is based on running annual average of monthly samples. ppm: Milligrams per liter or parts per million - or one ounce in 7,350 gallons of water. ppb: Micrograms per liter or parts per million - or one ounce in 7,350,000 gallons of water. na: Not applicable. Definitions: The following tables contain scientific terms and measures, some of which may require explanation.
2010 Regulated Contaminants Detected Coliform Bacteria
Maximum Residual Disinfectant Level
Lead and Cooper
Recommended Additional Health Information for 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. This water supply 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.
Regulated Contaminants
Violations Table
Steps to Correct Violations
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SAN LEON MUNICIPAL UTILITY DISTRICT CUSTOMER SERVICE (281) 339-1586 EPA’S SAFE DRINKING WATER HOTLINE 1-800-426-4761 |
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