![]() ![]() House, driveway, septic tank, settling tank, leach field or pit, well, ditches, and neighboring wells and ditches. You don't need an engineer to sketch a site plan on a copy of your property survey. Show the exact location of every physical feature in relation to property lines. ![]() Rather than telephone them with questions, you should drive over in person and get a copy of your local Individual Sewage Disposal System ISDS Regulations and a list of locally licensed soil engineers. Your local county building department is your primary source of information on what is possible to install according to local regulations. Unfortunately, with over 3000 counties in the United States, regulations changing from year-to-year, and interpretations of those rules varying from one inspector to another (and one engineer to the next), it's never possible to say for certain 'what is allowed' locally. We have been providing much the same passive (non electric) septic system parts for over twenty five years now, but we do not follow constantly changing city, county, and state building regulations. "Are we allowed to install this septic system on our property" is not a question we can answer for you. Drive perpendicular to chambers, as when crossing rail road tracks, never drive down the length of a trench. One should never drive over any leach field, but chambers are rated for 16,000 pounds per axle load, given at least one foot of cover. Best practice is to limit trench runs to 12 or 13 chambers (about 50 foot length) requiring two end caps for each row. Standard Quick4 'Plus' Infiltrator chambers are 34 inch wide (3 foot trench) by one foot tall by 4 foot long (net length after connecting together). Chamber fields are commonly given a 30% field size reduction over pipe in gravel. Infiltrator leach field chambers are high-density polyethylene arches that interlock to form a continuous drainage area with a much greater storage 'surge' volume than conventional pipe-in-gravel leach fields. Infiltrator® chamber leach field systemsare far superior to pipe-in-gravel in every aspect: smaller leach field size due to optimal percolation, increased retention capability for heavy loading days, root infiltration protection for long term viability, resistance to traffic, and more. Many people don't understand that perforated pipe in a gravel bed is NOT the best choice for a long-lasting, durable septic system. If allowed by your local building department, it is always best practice to divert household greywater to a separate leaching area. You want to encourage helpful good bacteria (digesting anaerobic cultures) to grow in your septic tank and organically treat the waste, not kill helpful bacteria with detergent laden graywater. Greywater from washing machine, sinks and showers contains soaps designed to kill bacteria (clean and disinfect things) and thus discourage optimal septic tank function. Not as effective treatment as a larger leach field, where sewage percolates slowly over a larger area, leach pits are an alternative for smaller properties only where high seasonal ground water is not present. A leach pit is a deeper, larger hole filled with rock for disposing of wastewater in a smaller footprint. The typical leach field is a series of chambers or rock filled trenches where effluent is further treated as it slowly percolates through the soil. As incoming sewage from the house fills first compartment, clarified liquids are forced to leave the second chamber of the septic tank and flow out to the leach field or leach pit. ![]() ![]() Between these two scum layers is a zone of clarified liquid effluent which is internally piped to the second compartment of the septic tank for additional settling. Solid waste settles into a sludge layer on the bottom and fats float to the top of the first compartment. Effluent flows directly from your household plumbing into a watertight, underground, two compartment septic tank. The wastewater your home produces is referred to as 'effluent' and consists of blackwater (toilet and garbage disposal waste) and greywater (shower, sink and laundry waste). ![]()
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