Low-tech gravity drainage 'septic' settling filter basin tank systems like our greywater kit, have been standard practice for generations.
The building department will confirm or revise your site plans once submitted for approval.
With moving water, especially septic tank water with some warmth and biological activity, you don't have to worry about freezing issues with proper installation.
That's why toilet water reuse systems have never caught on - not cost effective and simply not safe should maintenance be neglected.Even in the warmest climates, you should at least cover the lid with mulch to protect plastic from UV sunlight damage and make it easier to uncover when checking tank and filter yearly.Oxygen keeps the drainage pit dry and the soil around it healthier.The less you flush down the drain, the less you will eventually remove from settling tank and the less chance of clogging your leach pit(s).Best practice for any greywater system is to install an in-line settling tank before the leach pit (drywell) or leach field, as included with the 929 kit above.Geotextile soil fabric engineering specifications and material msds sheet.This polypropylene fabric will never rot and will effectively work indefinitely when not exposed to sunlight.In cold climates, install at least one foot of gravel under and around the settling tank to prevent sodden, frozen soil (frost) from touching the tank sides.
The extreme risk of legal liability is always a consideration for the savvy contractor, homeowner, and your local building officials.
From an environmental standpoint, the main reason for greywater reuse is to actually reuse the soaps, skin particles, shampoo, and hair conditioner as plant fertilizer, keeping them out of the waterways.
Such precautions are not necessary with perforated four inch PVC pipe that has much larger 1/2 inch diameter holes and smoother flow rate not being vogel verlag bonus shop easy to clog like the smaller holes in corrugated drainage pipe.
Diverting graywater away from your septic system leach field reduces loading, increasing waste treatment effectiveness and greatly extending system life expectancy.
There is no slope to the septic trench or pipe, as sometimes seen in a French drain.
David Potter, chester,.
While possible to install a 12 inch or 18 inch extension to bury the settling basin deeper, it is not necessary or beneficial to bring the basin lid all the way to the surface.Filter socks immediately around corrugated pipe impede flow as a trade-off to prevent their much smaller holes from being clogged from soil outside, but it makes them susceptible to premature clogging from biomat within.Freezing is rarely a problem with running water underground and especially not an issue when you have enough gravel under and around the drywell.Please note that venting your leaching pit (or any septic field) is most highly recommended.Passive, non-electric direct disposal or root-level recycling of greywater conserves ground water while making best use of waste water fertilizer potential.Unlike most geotextile fabrics, it features a very functional 'fuzzy' side that lays down against the soil to prevent slippage, making it very easy to install on sloped ground.Leach field trench runs may be required to be wider and taller, depending upon local building codes, so always check first with county officials before proceeding with project. Mechanical Engineer from the University of Texas.When your utility room sink is installed alongside the washing machine, you can attach a five gallon paint strainer bag to the washing machine effluent hose with a clamp.If not, they will refer you to a local engineering firm that can visit your property and design stamp the site plans for permit application.The purpose of geotextile fabric is to keep soil from migrating into your gravel layer.