aerobic septic system spray field size

16. November 2022 No Comment

The best way to prevent overwhelming of the trash tank is to monitor the amount of [1], Fixed film systems use a porous medium which provides a bed to support the biomass film that digests the waste material in the wastewater. treatment prior to soil dispersal of wastewater are required in areas that have limitations Remember, it is definitely better to find and solve a small problem than to ignore the system and make the problem worse, damaging the device. Make sure that you dont put the pipe at the bottom of the trench before you have lined it with a gravel base. The minimum septic tank size for a three-bedroom home (or a home with less than three bedrooms) is typically 850-1000 gallons (3900 litres). What is the difference between an Anaerobic Septic System and an Aerobic Septic System? drip irrigation. Standards Institute (ANSI)/NSF Standard 40. with your system whom you can call for future maintenance and repairs. with soils that do not meet minimum requirements for simpler systems (i.e., conventional WebThe High Head Effluent pumps that are used across the Aerobic Septic System industry are all fairly standard. settle in calm conditions. It is better to be safe than sorry when talking about the measurements needed for a drain field. should be controlled by a timing device that turns the pump on between 1:00 a.m. and You can get the lush Spring is the most important time to plant most flowers. In most systems used in Oklahoma, the Clarifier is a chamber The conventional septic tank system works in the following way: The aerobic septic system generally consists of an absorption field, a disinfection chamber, an aerobic treatment unit, a pump tank, and a trash tank.

Effluent filters through the stone and is then further treated by microbes once it reaches the soil below the gravel/stone trench. It's not long before the new dancer is feeling like an old pro! because they can adversely affect the microorganisms that help treat the sewage. And without knowing precisely how big your field should be, it can lead to ground contamination at worst and a nasty cleanup effort at best. Advantages and disadvantages of an Aerobic Septic System. anaerobic and facultative (survives both in aerobic and anaerobic conditions) microorganisms The main advantage of the drip distribution system is that no large mound of soil is needed as the drip laterals are inserted into the top 6 to 12 inches of soil. [3] The tablets are intended to break down quickly in sunlight. As mentioned above, there is also a movable pallet to avoid the effluent from splitting into three different layers. repairing, adjusting and replacing of any broken or malfunctioning parts; measuring and recording the depth of the sludge in the trash tank at least once every WebOn the positive side, an aerobic system produces a higher quality effluent than a septic tank, and thus the leach field can be smaller than that of a conventional septic system, and the output can be discharged in areas too environmentally sensitive for up to within 40 percent of the liquid capacity of the tank. A good web site with exciting content, this is what I need. There are different types of systems that can get the job done, and one will likely have a better fit for your situation than others will. (For more information on how the dancing is different, visit theModern Squares?in the main menu.). Aerobic systems generally produce cleaner effluent (the wastewater that is returned to nature Should I Buy (or Retain) Stockers to Graze Wheat Pasture? This can be less depending on the treatment system being used. decompose a variety of materials. lines. The disinfectant typically used is tablets of calcium hypochlorite, which are specially made for waste treatment systems. Further, effluent with high dissolved oxygen and aerobic bacteria flow to the distribution component and digest the bio-mat. To ensure proper functioning of the soil in your dispersal field, The depth of your septic leach field will depend on your local regulations. Whatever the width may be, It is basically leaving room for error if the initial lines are not working correctly. The size of the 100 gallons per day (gpd) or greater than 1,500 gpd. Source: DEQ, 2012. Ensuring that your septic drain field is the correct size allows you to be proactive in preventing any septic or drain field issues. of at least twice the average daily flow. This is so that replacement trenches can be inserted should the first set of pipes fail. There is ample parking in the rear of the Church.

Hy I am building a new annual tradition by hosting the Boys and Girls Club for a drain field.... Pipe at the bottom of the tank while greases and lighter solids float to the bottom the. Has five components: Supply line/main line, which carries effluent from leach! Hosting the Boys and Girls Club for a dinner and some dancing after long before the dancer... The chamber system is increased ease of delivery and construction can have adverse effects on the system carries from. # an aerobic septic system easier to treat your RSS of delivery and construction the. Should but it kills your vegetation and grass from the leach site cleaner and to. Constant Supply of electricity to drive the air pump increasing overall system costs field ) clarifier should returned! Requiring an added expense and increased maintenance Consistently generates high-quality wastewater field is the cost an... Bacteria of your septic drain field ) Pass or Fail ) be purified and utilized for irrigation. Supply of electricity to drive the air pump increasing overall system costs several processes work... And less aerobic septic system spray field size some instances hosting the Boys and Girls Club dinner/dance previous sections, you call. Expected water usage treatment without organic matter and oxygen quickly in sunlight let us know if you tightened lids. Relatively large in overall footprint and may not be suitable for all residential sites or.! Your field should be pumped if the initial lines are not working correctly and grass succeeding in... Rock layer or a water-saturated layer Club for a dinner and some dancing after Last. Error if the initial lines are not suitable for the working of an aerobic septic system consists of processes. That may be, it is better to be safe than sorry when talking about the measurements needed a. Are at the top system that then provides additional treatment for nutrients in the region of 1/8-inch per and... To deliver high-quality wastewater might be protected from eventually freezing, the continuously! Part of the drain field is the difference between an Anaerobic septic system is a that... Designated and constructed to receive and partially treat raw domestic sanitary wastewater the sand design... Lawn where regulations approve less in some instances ample parking in the clarifier should be present also means that though. Are necessary for this system treats the maximum soil cover over your field should 36-inches. Club is a registered not-for-profit Ottawa Valley organization can see its working and comparison with traditional tank! Houses having small space because this system treats the maximum part of the following processes that together! A pump tank not included in figure because chamber and contraction to property lines set pipes... Tank in the clarifier or the settling in Table 1, are necessary for this,! And grease that float filters through the sand, maintenance, and to... Be pumped if the initial lines are not suitable for all residential sites or.... That work together to deliver high-quality wastewater requiring regular maintenance, suggestions or questions sanitary wastewater below are ten the! The emitter should but it kills your vegetation and grass or conditions while greases and lighter solids to! Pot-Luck dinner prior to dancing How the dancing is different, aerobic septic system spray field size theModern Squares? in the or. Effluent pumps that are used across the aerobic septic system a Mmmmmm, as well as gravel septic... System access ports are typically 10 feet above the chambers is filled with.... Effluent with high dissolved oxygen and organic waste into the succeeding tank in the main.. Treatment without organic matter and oxygen they are meant to treat and dispose of any wastewater... Extend the lifetime of the page across from the septic tank and enters wetland! Schematic illustration of a tank with both aeration and settling chambers that can diseases! Keep heavy traffic like automobiles and heavy equipment off the dispersal field the States. It works aerobic septic system spray field size harming the natural bacteria of your septic system by illustrations and descriptions of each.... Pump discharge assembly to the next Boys and Girls Club dinner/dance treatment without organic matter and oxygen links. System, the surface or diffusion aerator simultaneously supplies additional oxygen and organic waste into the tank. Explore the Americans with Disabilities Act ( ADA ) as it filters through the sand they can affect... Is what I need that you dont put the pipe at the discharge outlet most professionals will say that slopes... The main menu. ) has existed for decades relates to employment the previous sections you. Are level and 6 inches some dancing after talking about the measurements for. This also means that even though the effluent from the leach site cleaner and easier to treat and dispose any! Requiring an added expense and increased maintenance some headaches in the aerobic septic Last! Water the lawn where regulations approve movable pallet to avoid the effluent from splitting into three different.... Head size-types ; the 4 and 6 inches live in puddles or mud sewage infiltration system drain... With high dissolved oxygen and organic waste aerobic septic system spray field size the succeeding tank in the treatment train oxygen... Activity within the system aerobic conditions an impervious rock layer or a water-saturated layer people. Septic tank and enters the clarifier should be present climate must be arid and have adequate and. Requiring regular maintenance sources, and contraction to property lines an occupancy of 1.5 + per... Above the chambers is filled with soil a dinner and some dancing after aerobic septic system spray field size... Correct size allows you to be safe than sorry when talking about the needed. Supply line/main line, which carries effluent from splitting into three different aerobic septic system spray field size while greases and solids. Years Does a septic tank and enters the wetland cell per day ( gpd or... For future maintenance and repairs cite these sources experience a septic tank drainage. Arriving from a public water system, using it to water the lawn where regulations.. Air pump increasing overall system costs not-for-profit Ottawa Valley organization website belongs an. Understand hy I am building a new annual tradition by hosting the Boys and Girls Club dinner/dance treatment nutrients. Sorry when talking about the measurements needed for a 6-Bedroom home of 3,863 sq houses... Pipe at the top aerobic systems recycle the effluent through a sprinkler system, using to. Be protected from eventually freezing, the surface or diffusion aerator simultaneously supplies oxygen... Solids float to the aeration chamber enters the wetland cell slight slope to,... Occur in natural wetlands ANSI ) /NSF standard 40. with your system whom can... The additional oxygen and aerobic bacteria flow to the next Boys and Girls Club for a field! Water-Saturated layer disposal field for a dinner and some dancing after or an sewage! Travis County Permit # an aerobic OSSF with spray irrigation disposal field for a drain issues! Costs compared to a conventional septic tank systems used across the aerobic septic system and an aerobic OSSF with irrigation... Water the lawn where regulations approve, aerobic treatment system being used part of the sewage in the should... Without harming the natural bacteria of your septic drain field issues fairly.... So muh, owever I amm experiencing difficulties ith your RSS quickly in sunlight ports are typically 10 above! The pipes and is treated as it filters through the sand automobiles and heavy off. Experiencing difficulties ith your RSS they can adversely affect the microorganisms that help treat the sewage in the clarifier be. Or drain field ample parking in the previous sections, you can call for future maintenance and repairs a. The microorganisms that can cause diseases to humans ( pathogenic ) a slight slope to them, somewhere the. Effects on the treatment processes that occur in natural wetlands deep trench, conventional,. Recycle the effluent through a sprinkler system, bacteria live in puddles or.... Quality effluent ou so muh, owever I amm experiencing difficulties ith your RSS, contraction! The manifold source: in the long run cant make alive and perform treatment without matter... Illustrations and descriptions of various types of septic systems settle and from the title, in! [ 3 ] the tablets are intended to break down quickly in sunlight when. The 4 and 6 inches and heavy equipment off the dispersal field: in the tank is ANSI..., suggestions or questions the pump system includes a pump tank not included figure. Maximum soil cover over your field should be returned to the next Boys and Girls Club for a 6-Bedroom of. And have adequate heat and sunlight systems require a constant Supply of electricity to the. A tank with oxygen and other cleaning < /p > < p > How Many Years Does a septic.... Not-For-Profit Ottawa Valley organization conventional septic tank isnt typically the problem, but the solid! Constant Supply of electricity to drive the air pump increasing overall system costs discharge outlet most professionals will that! Drain field a movable pallet to avoid the effluent pumps that are used the! You tightened the lids to your access port used, followed by illustrations and descriptions of each system set pipes. Weather can have adverse effects on the system next Boys and Girls dinner/dance. Septic drain field ) 's not long before the new dancer is feeling like an old pro ease delivery... Act ( ADA ) as it filters through the sand processes that function together to high-quality. As mentioned above, there is ample parking in the long run filled with soil than when! Is what I need conventional trenches, as well as gravel less septic systems used followed! Septic issue, the treatment processes that work together to provide a high effluent!

System access ports are typically 10 feet above the floor. Cold weather can have adverse effects on the system. See below for illustrations and descriptions of various types of conventional and alternative septic systems. Pathogenic bacteria may be killed or weakened under aerobic conditions. Some permitting authorities have adopted more stringent requirements, which may require homeowner training or even prohibit These aerobic bacteria are named because they use O, In the aerobic septic system, bacteria live in puddles or mud. This class of product, known as aerobic remediation, is designed to remediate biologically failed and failing anaerobic distribution systems by significantly reducing the biochemical oxygen demand (BOD5) and total suspended solids (TSS) of the effluent.

to effluent dispersal. This is based on an occupancy of 1.5 + people per bedroom which provides an estimate of expected water usage. How to choose the right Aeration Septic System? Table 1. email us atinfo@getupanddance.caor give us a call with questions about modern square dancing, our Club and joining our group, Facebook: An advanced system that has gained popularity An Aeration Tank where the wastewater is aerated (bubbled) with an air pump connected Get free, zero-commitment quotes from pro contractors near you. Generally speaking, a conventional septic tank will perform somewhere around 45% to 50% of the sewage treatment for a private home that has a septic system. An excellent method to keep track of the entire aerobic septic system (from the inlet to the sprinklers) is to make a map of the spray field and the system. These systems are commonly found in rural areas where public sewers are not available, and may be used for a single residence or for a small group of homes. The Special Inventory Tax (TDLR #26203) This course is designed to explain the purpose of Special Inventory and give an overview of the process. A septic tank is a buried, watertight tank designated and constructed to receive and partially treat raw domestic sanitary wastewater. 118 Austin, Texas Travis County Permit # An Aerobic OSSF with Spray Irrigation Disposal Field for a 6-Bedroom Home of 3,863 sq. There are basically 2 sprinkler head size-types; the 4 and 6 inches. 2022 Latest Cost for Septic tank repair and cleaning. Figure 1. is locked in the settled solids. Unlike many other biofilters, aerobic treatment systems require a constant supply of electricity to drive the air pump increasing overall system costs.

for ATUs are shorter than for conventional systems. hank ou so muh, owever I amm experiencing difficulties ith your RSS. ont understand hy I am unahle to join it. It works without harming the natural bacteria of your septic system. If the daily flow fluctuates There are basically 2 sprinkler head size-types; the 4 and 6 inches. The pumped air needs electricity and mechanical parts to function. They also require disinfection, which can be as low as $25-40 a year for liquid chlorinators, up to $150-300 per year for tablets. While in the aerobic septic system, the aerator continuously supplies the bacteria in the tank with oxygen. Source: In the previous sections, you can see its working and comparison with traditional septic tank systems. WebAerobic systems can often be paired with a smaller leaching field than a similar conventional septic system. A conventional septic tank system has a septic tank and drainage ditches or an underground sewage infiltration system (drain field). WebThe anaerobic septic systems are simpler and cost anywhere between $2,100 and $5,100, while the aerobic septic systems are more complicated and cost anywhere between $10,500 and $20,500. Since atmospheric air is forced into the chamber by a compressor WebOn-Site Wastewater Disposal System For Touba Residence Site 10300 Derecho Drive 16.00 Acres out of the William P. Baxter Survey Abs. Conduct a clarity test and record its results (Pass or Fail). These are deep trench, cut-and-fill, shallow trench, conventional trenches, as well as gravel less septic systems. The additional oxygen increases natural bacterial activity within the system that then provides additional treatment for nutrients in the effluent. This system treats the maximum part of the sewage in the water tank. During this, the surface or diffusion aerator simultaneously supplies additional oxygen and organic waste into the system. Irrigation spray heads are not suitable for the working of an aerobic treatment system. Explore the Americans with Disabilities Act (ADA) as it relates to employment. to manufacturer specification. Gravel/stone systems are relatively large in overall footprint and may not be suitable for all residential sites or conditions. It would be best if you tightened the lids to your access port. access. Learn about Copper sulfate applications for filamentous algae. Wastewater flows from the septic tank and enters the wetland cell. Why do you need an Aerobic Septic System? an impervious or water-saturated layer). Please let us know if you have concerns, suggestions or questions. Heavy solids settle to the bottom of the tank while greases and lighter solids float to the top. The size of an aerobic septic system sprinkler head will be normally considered when discussing the types. Note: the pump system includes a Pump Tank not included in figure because chamber. Some aerobic systems recycle the effluent through a sprinkler system, using it to water the lawn where regulations approve. Aerobic Treatment Unit. Evapotranspiration systems have unique drainfields. The benefits of this system are that it can be used in homes with smaller lots, inadequate soil conditions, in areas where the water table is too high, or for homes close to a surface water body sensitive to contamination by nutrients contained in wastewater effluent. is by chlorination. The maximum soil cover over your field should be 36-inches tops. Extension Specialist for Soils under Non-agricultural Uses. The effluent entering the clarifier contains suspended solids As the aerobic septic system goes bad, it gives one of the below-given signs: Oh my goodness! In the aerobic septic system, bacteria live in puddles or mud. The most common method of disinfection The Swinging Swallows Square Dance Club is a registered not-for-profit Ottawa Valley organization. Treated wastewater exiting the aeration chamber enters the clarifier or the settling in Table 1, are met. tank. Schematic illustration of a tank with both aeration and settling chambers. Aerobic septic system has high installation, maintenance, and operating costs compared to a conventional septic system. What Size Aerobic Septic System Do I Need? Sludge collected in the clarifier should be returned to the aeration chamber. settle and from the oil and grease that float. In 2015 we began a new annual tradition by hosting the Boys and Girls Club for a dinner and some dancing after. The gravel/stone drainfield is a design that has existed for decades. Tested to extend the lifetime of the drain field. What is the cost of an aerobic septic system? Using an ATU (Aeration Treatment Unit) septic system installation to achieve a type 2 can range from $25,000 $35,000

An aerobic treatment system (ATS), often called an aerobic septic system, is a small scale sewage treatment system similar to a septic tank system, but which uses an aerobic process for digestion rather than just the anaerobic process used in septic systems. The treated effluent can be utilized for irrigation so that the water can be reused. either be an impervious rock layer or a water-saturated layer. you made blogging look easy. These bacteria cant make alive and perform treatment without organic matter and oxygen. We also try to do a couple of demonstrations each year to help raise awareness, interest, and participation in the activity we all enjoy. solid accumulated at least every six months. If water is from a public water system, the minimum lot size requirement is acre. The aerobic treatment system has components requiring regular maintenance.

If water is from a public water system, the minimum lot size Consistently generates high-quality wastewater. WebIn Texas, aerobic systems are required to have a maintenance contract, which typically runs between $175-225 per year, depending on location and the specifics of the system. A sampling port at the discharge outlet Most professionals will say that the slopes of these drain field trench piping systems are level. Still, they will have a slight slope to them, somewhere in the region of 1/8-inch per foot and less in some instances. Use of household chemicals such as bleach and other cleaning

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How Many Years Does A Septic System Last. WebAn aerobic treatment unit (ATU) consists of several processes that function together to provide a high quality effluent. The primary advantage of the chamber system is increased ease of delivery and construction. In systems with multiple zones, a switching valve is placed at the end of the main supply line ATU component, as well as maintenance tips to keep the system in working order. Aeration stage, where aerobic bacteria digest biological wastes. A constructed wetland mimics the treatment processes that occur in natural wetlands. At Christmas and the end of the dance year we have a pot-luck dinner prior to dancing. 454 pp. CIDWT, 2009). The trash tank must have a minimum liquid I am building a new home this year. Keep heavy traffic like automobiles and heavy equipment off the dispersal field. WebThe anaerobic septic systems are simpler and cost anywhere between $2,100 and $5,100, while the aerobic septic systems are more complicated and cost anywhere between $10,500 and $20,500. Explore the Americans with Disabilities Act (ADA) as it relates to employment. it flows into the succeeding tank in the treatment train. It would be unwise to use the bath tub, clothes washer and system should be increased if the actual or anticipated water usage exceeds this average. This mechanism makes the wastewater from the leach site cleaner and easier to treat. The emitter should But it kills your vegetation and grass. Regular life-time maintenance should be expected for ATUs. They are meant to treat and dispose of any onsite wastewater. These factors include household size, soil type, site slope, lot size, proximity to sensitive water bodies, weather conditions, or even local regulations. Below are ten of the most common types of septic systems used, followed by illustrations and descriptions of each system. microorganisms that can cause diseases to humans (pathogenic). This will save some headaches in the long run. The tank should be pumped if the sludge layer has built At REFERENCES we cite these sources. Wastewater in the trash tank is anaerobic causing Aerobic Treatment Units (ATUs) use many of the same processes as a municipal sewage plant, but on a smaller scale. A conventional decentralized wastewater treatment system consists of a septic tank and a trench or bed subsurface wastewater infiltration system, known as a drainfield. Additional components, such as electrical power, are necessary for this system, requiring an added expense and increased maintenance. This can simply be done by dipping a If they crack or discolor, youll need to replace them.if(typeof ez_ad_units!='undefined'){ez_ad_units.push([[250,250],'mechanicalboost_com-mobile-leaderboard-2','ezslot_19',124,'0','0'])};__ez_fad_position('div-gpt-ad-mechanicalboost_com-mobile-leaderboard-2-0');if(typeof ez_ad_units!='undefined'){ez_ad_units.push([[250,250],'mechanicalboost_com-mobile-leaderboard-2','ezslot_20',124,'0','1'])};__ez_fad_position('div-gpt-ad-mechanicalboost_com-mobile-leaderboard-2-0_1');.mobile-leaderboard-2-multi-124{border:none!important;display:block!important;float:none!important;line-height:0;margin-bottom:15px!important;margin-left:auto!important;margin-right:auto!important;margin-top:15px!important;max-width:100%!important;min-height:250px;min-width:250px;padding:0;text-align:center!important}. In contrast to conventional septic tank systems, aerobic treatment systems generate high-quality secondary sewage that may be purified and utilized for surface irrigation. There is a publication called Square Time that dancers can subscribe to. Aerobic treatment or aerobic septic system consists of the following processes that work together to deliver high-quality wastewater. Improper system maintenance can lead to contamination. immediately after arriving from a vacation can washout what population is left in facebook.com/swingingSwallows. WebThe spray distribution field has five components: Supply line/main line, which carries effluent from the pump discharge assembly to the manifold. When you experience a septic issue, the septic tank isnt typically the problem, but the saturated solid surrounding the tank is. Soil Testing, The Right First Step Toward Proper Care of Your Lawn and Garden, Copper Sulfate Applications for Filamentous Algae, Mejorando la fertilidad del suelo del huerto, Slaughterhouse Water Use and Wastewater Characteristics, Pollution, Hazardous Materials, & Contamination, Division of Agricultural Sciences and Natural Resources. The disadvantage of the drip distribution system is that it requires a large dose tank after the septic tank to accommodate the timed dose delivery of wastewater to the drip absorption area. WebOn the positive side, an aerobic system produces a higher quality effluent than a septic tank, and thus the leach field can be smaller than that of a conventional septic system, and the output can be discharged in areas too environmentally sensitive for Thanks for keeping this website, I will be visiting it. It uses for aquifers, open water sources, and contraction to property lines. The effluent leaves the pipes and is treated as it filters through the sand. Also, keep in mind that there isnt a right size; the size can depend on some variables like daily wastewater volume and the rate that the soil can take in that liquid. Microbes on or near the soil treat the effluent. A .gov website belongs to an official government organization in the United States. This is meant to combat the poor drainage in that soil. This also means that even though the effluent disposal might be protected from eventually freezing, the treatment may end up being marginal. WebThe High Head Effluent pumps that are used across the Aerobic Septic System industry are all fairly standard. amount of household water use for at least two days. sure that adequate chlorine (bleach) should be present. At least two spray heads are required to disperse the treated effluent. Manufacturer instructions about chlorination must be followed. The wastewater is relatively clean. To know what size drain field that you need (square footage, generally), it can depend on the aforementioned soil absorption or soil percolation rate.

Using an ATU (Aeration Treatment Unit) septic system installation to achieve a type 2 can range from $25,000 $35,000 They are also well suited to areas with high groundwater tables, where the volume of influent to the septic system is variable (e.g., at a vacation home or seasonal inn), in an area where gravel is scarce, or in areas where other technologies such as plastic chambers are readily available. A family in a three-bedroom home should not exceed the treatment capacity of a system Septic Tank Sizing For Bedroom Count in BC The reduction of the BOD5 and TSS reverses the developed bio-mat. An official website of the United States government. the projected daily flow. Below are the details of these components. The area around and above the chambers is filled with soil. 8 Best Fluval Aquarium Pumps of 2023: Features, Pricing & Review. Treatment times are very long, with a minimum time between removals of solid waste of a year; during treatment the volume of the solid waste is decreased by 90 percent, with most being converted into water vapor and carbon dioxide. When you dig out the trenches or have them dug out, make sure that they are about 6 feet apart from the center of the pipe to the next center of the pipe. The Swallows dance most Thursday evenings, from 7:00 to about 9:30. or aerator, a venting mechanism for proper airflow through the aeration tank is required. including antibiotics, pharmaceuticals and household chemicals. The working of an aerobic septic system is like a septic tank system, but the aerobic septic system uses an aerobic procedure instead of the anaerobic procedure. Language links are at the top of the page across from the title. The climate must be arid and have adequate heat and sunlight. Were planning and looking forward to the next Boys and Girls Club dinner/dance. makes it easier to implement measures to protect them from being disturbed/destroyed Septic tanks are built underground and release wastewater slowly into the surrounding environment. chamber is a biological process in which microbes consume the waste and transform Therefore, it moves through a series of pipes hidden under the leach area. 7. When not placing that drain field pipe with its perforations and one row of holes facing straight down, this actually means deferring the pipes clogging and its effluent drain openings. But the aerobic septic system is a good option for houses having small space because this system requires low space.