![]() Likewise, items such as disposable diapers, cigarette butts, and sanitary napkins should be kept out of the system. These materials can damage your system and seriously pollute the groundwater. Although typical household soaps and cleaners should not cause a problem, liquids such as paints, solvents, thinners, pesticides, or photographic chemicals should never be poured down the drain. An ISDS is designed to treat only household wastewater. One of the most important factors in proper ISDS operation is being careful of what goes into the system. Distance separation from wells and proper system maintenance is necessary to increase treatment effectiveness as well as the life span of the system. Nitrates, a chemical by-product of human waste, are not removed and may impact the groundwater. Not all contaminants can be removed by these systems. The result is a high degree of treatment occurring in a natural, environmentally sound process. The filtering action of the soil removes most of the harmful bacteria. These mechanisms are an integral part of the tank and should not be removed or disconnected as this may seriously affect the operation of the system.įrom the tank, the effluent is piped to the Absorption Bed and enters a series of perforated pipes bedded in gravel and underlying soil before flowing naturally back into the groundwater system. Although most tanks are non-mechanical, some will have a motor or aerator which agitates the sewage. ![]() The remaining liquid then flows into the second compartment of the tank through a series of baffles, where additional treatment occurs. Here, bacterial decomposition occurs and materials which cannot be digested settle to the bottom as sludge or float to the top to form a scum layer. Sewage (or effluent) from the dwelling flows through a building sewer and enters the first compartment of the tank. Most tanks will have a capacity of 1,000 gallons or more and will be divided into two compartments. The septic tank is usually made of concrete or other durable materials. The typical ISDS consists of a Septic Tank and Absorption Bed (sometimes called the leaching field). What's an individual sewage disposal system and how does it work? Source for ISDS information below: Jefferson County Department of Health and Environment – (303) 271-5755 LMWD requires that water users pump their septic tank once every two to four years this resolution was adopted in 1997 and was a requirement of a water decree. ![]() Septic Tank Maintenance and LMWD Septic Tank Pumping RequirementĪll customers of the Lookout Mountain Water District treat their household wastewater through an Individual Sewage Disposal System (ISDS), in most cases this is commonly called a septic tank and a leaching field. Paradise Hills and The Ridges at Lookout Mountain.Policies, Rules & Regulations and Resolutions.Security, Safety and Emergency Preparedness.Meters, Meter Reading and Meter Tampering.Service Connection, Disconnection & Locates.Overview and Public Disclosure, Boundaries.
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