The mound is raised above the natural soil with a specific sand fill material.
Alternative to septic drain field.
Based on your property description an aerobic treatment unit atu might be a good alternative.
Daniel friedman who writes for the home inspection and construction website notes that these units are commonly used on lake lots where there isn t enough room for a drainfield.
The lagoon system is used to treat effluent by exposure to air sunlight and bacteria.
Get a few septic companies out to look at the situation and talk to you about alternatives.
Storage tanks collect effluent then drain into solid piping ending at the bottom of the lagoon.
Within the sand is a gravel bed with a network of pipes.
For non conforming lots winston advocates the use of alternative aerobic treatment units such as the norweco singulair and norweco total nitrogen treatment tnt since these systems allow homeowners to gain a variance for a system footprint reduction.
Placing the drain field leach field on undisturbed soil is a standard specification for conventional septic systems and many alternative systems such as mounds.
If you want to enjoy all of these benefits ask our team at southern water and soil about our gravelless systems.
Lagoons cost less than septic tanks and are easily installed.
The assumption is that the soil under and around the drain field will absorb filter and provide the final treatment of the effluent as it flows through the gravel trenches of the drain field.
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The aerobic sprinklers can probably be placed in the cleared area where the current drain field is so you won t have to cut down the forest.
This system uses a standard septic tank but instead of the conventional pipe leach field the leach field is made of interlocking polyethylene arches that provide a continuous drainage area.
This is often a cost effective option and it is relatively easy to transport and handle.
If you prefer though these materials can be added to improve the system s longevity.
Treatment like the ax20rtuv allows you to either 1 reduce the size of your drain field 2 reduce horizontal set backs to things like wells and surface water and or 3 reduce the depth of soil needed between the bottom of your drain field trench and the seasonal high water table.
Plastic leach field chamber.
Gravelless systems are also easy on soil and a cinch to maintain.
Gravelless systems are the most popular of the alternative drain field options.
When there is not enough space for a full drain field sometimes the best option is to build up.
The chambers create an empty space for effluent to flow through so there s no need for gravel or geotextile.