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Rick Scott <br /> Mission: Governor <br /> To protect,promote&improve the health <br /> of all people in Florida through integrated Y U John H.Armstrong,MD, FACS <br /> state,county&community efforts. HEALTH <br /> State Surgeon General&Secretary <br /> Vision:To be the Healthiest State in the Nation <br /> FLORIDA DEPARTMENT OF HEALTH IN INDIAN RIVER COUNTY <br /> May 13, 2015 <br /> Indian River County <br /> Administration Building <br /> 1801 27th Street <br /> Vero Beach, FL 32960 <br /> To Whom It May Concern: <br /> The majority of the onsite sewage treatment disposal systems (OSTDS) located in West Wabasso <br /> Phase 2, Indian River County, are older systems that do not meet the current State of Florida OSTDS <br /> construction standards and septic tanks in the area have been found to be of block construction which <br /> are seldom watertight. In some instances, septic tanks have been found without bottoms requiring <br /> complete replacement. Many of the lots located in this subdivision are small in size, and when it is <br /> necessary to repair a failing OSTDS it is often difficult to design a system that meets current required <br /> setbacks and standards. Due to small lot sizes and excessive financial impact to the homeowner, <br /> OSTDS are authorized to be constructed with a 6"-12" separation to the estimated seasonal high water <br /> table rather than the current separation requirement of 24". Even to meet the 6"to 12" separation <br /> requirement, effluent from the septic tank may need to be pumped to an elevated OSTDS drainfield. <br /> Extensive studies have confirmed that a 24" separation between effluent absorption surface and <br /> seasonal high water table is necessary to prevent ground water contamination. <br /> These older substandard OSTDS are authorized by code to remain in use until an obvious failure <br /> appears, such as sanitary nuisance with sewage on the ground. In reality, the continued use of these <br /> substandard systems, through the septic effluent discharge, negatively impacts both surface and <br /> ground water quality and ultimately the Indian River Lagoon. <br /> Construction of a gravity sewer system in the West Wabasso Phase 2 project area will promote <br /> community health to Indian River County citizens improving an underserved area and vulnerable <br /> population. Additionally, this proposed project will positively impact water quality and the Indian River <br /> Lagoon. <br /> Sincerely, <br /> k12 s <br /> Cheryl L. unn, R.S. <br /> Environmental Manager <br /> Florida Department of Health 1.0 www.FloridaHealth.gov <br /> In Indian River County ` TWITTER:HealthyFLA <br /> 1900 27th Street C /._ , FACEBOOK:FLDepartrnentofHealth <br /> Vero Beach,FL 32960V� r� YOUTUBE:fldoh <br /> PHONE:772/794-7400 ri�► FLICKR:HealthyFla <br /> http://iindianriver.floridahealth.gov M PINTEREST:HealthyFla <br /> 186 <br />