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l~k <br />with total coliform contamination were instructed on chlorination of the water supply and <br />offered follow-up water samples once the process was complete. Residents having a well <br />with any type of coliform contamination were notified and given instructions on how to <br />chlorinate the well. <br />Inorganic Water Quality <br />An inorganic analysis tests the chemical quality of the water, which often affects appearance, taste, <br />and odor. <br />The following parameters were tested and were either Found within the range of acceptable drinking <br />water standards, or no drinking water standard exists, <br />• Alkalinity, <br />• Calcium, <br />• Chloride, <br />• Copper, <br />• Fluoride, <br />• Hardness, <br />• Magnesium, <br />The following inorganic elements exceeded the recommended dririlcing water limits in some of the <br />samples. <br />Iron - Iron occurs natrually in groundwater and is the most common source of nuisance problems <br />with well water in Orange County. While not considered a health risk, levels of iron above 0.3 mg/1 <br />can cause the water to have a red or brown muddy appearance and can stain white plumbing fixtures <br />and clothes. <br />The recommended drinking water limit for Iron is 0.30 milligrams per liter (mg/1) <br />• Remedial action -Remedies for those wells with high iron levels include installing a liner in <br />the well or installing an iron filter or other treatment unit. The liner repair may be an option <br />in limited cases, depending on the well structure and water bearing aquifers. <br />Arsenic -Arsenic is a naturally occurring element in the soil and rock formations that can leach <br />into the groundwater. It can also be associated with agricultural activities and industrial processes, <br />Page 12 of 47 <br />