These septic component clearance distance tables below give distance requirements between septic components and wells, streams, trees, property boundaries, lakes, etc. Example: 3. Therefore, sitting borehole close to any pollution source (soakaway) is very detrimental to the quality of the ground water resources TABLE V. This enables aerobic contact between the effluent and the drainage stone and soil particles. generally on a house extension, the gullies are joined by 110mm pipe below the ground and then 1 pipe goes to a soakaway. At least 2. A t = p X V p X 0. This. I live in a house which is 1. Fill the hole with water and come back and check it the next morning. POSITIONS. They are more suitable for houses with larger front gardens as they require space and need to be located a suitable distance from buildings. It’s also recommended that your septic tank be located within 30 metres of an access point to allow for your tank to be easily emptied when required. soakaway. There is always a work-around to it. My 100 year old terraced house has a soakaway at the front for rain water only as there are no drains at the front. This is set away from the septic tank and wastewater is released into it and diffused through the rocks, slowly escaping into the ground. Therefore the above size soakaway will suffice. Also, to the front of my proposed house is a road surface water drain. Soakaways are a traditional surface water drainage system for buildings that are far away from a public sewer or watercourse, and are usually suitable for areas of less than 100 square meters. #1. To increase the drainage in extremely waterlogged gardens, dig a trench wide enough for a drainage pipe running from the area that needs draining towards the soakaway. The rule of thumb is 1 cubic metre of soakaway for 30 sqm of roof. Hi all, I was recently looking into purchasing a small building plot , problem is it has a neighbours soakaway right on the rear boundary and is virtually impossible to get the 7m distance and still build anything worthwhile, it' s a real shame as is a very nice plot. 2 metres from a boundary. A soakaway system can be used on its own to control waste water, or it can be combined with a septic tank in cases where there isn’t a suitable area for a. 5m = 19. Distance to House: Part H within the building regulations suggest that Soakaways will need to be more than 5 meters away from the property. generally on a house extension, the gullies are joined by 110mm pipe below the ground and then 1 pipe goes to a soakaway. Wonder if I can get a discount. View Details. A dry well or drywell is an underground structure that disposes of unwanted water, most commonly surface runoff and stormwater, in some cases greywater or water used in a groundwater heat pump. 5m) x (5m +. Apply common sense. Check out Labc soakaways. 5m3 tank for a 3-person house = every 4 years. 10-meter-distance (34-foot) from a stream or ditch It should be 50 meters (164 feet) away. for land drain & trench soak away, pipe bedding and surround to be 20mm. #9. When it comes to soakaways, the distance between your property and soakaway is a little more complex. Rainwater goes to separate soakaway and toilets, showers, sinks, machine etc to septic tank. Log In. A cesspool is a sealed tank connected to a property by drains. Where deep drains are necessary, the hole should conform to this shape at the bottom, but may be enlarged above the 300mm level to enable safe excavation to be carried out. Hole 300mm square to depth of 300mm below where pipe will go into the soakaway. For this reason homogenous clays are generally unsuited to soakaways as they can have very low infiltration rates. #4. Should not be close to another soakaway or in a location where the water may. Soakaways are used to. 2m MUST be supported to eliminate risk of bank collapse. Therefore in the above example. The outflow from the reed bed is then clean water that can discharged safely to an existing water course or to a soakaway or land drain. 00 3. The great house search continues, we've found one we like which is a bit in the middle of nowhere. This guidance applies to wastewater systems that operate essentially under gravity. . Soakaway pit Pit latrine Animal trough Water source Soakaway pit 30m (min) 6m 30m (min) 40m (min) (After SKAT, 2007) Figure 2. The outlet is 110mm pipeBIODISC DOMESTIC SEWAGE TREATMENT PLANT. A percolation test can be conducted by taking the following steps: Dig a 300mm square hole to a depth of 300mm below the proposed invert level of the drainage field. Within 5m of a building or road, 2. Step 1. You must drain into a soakaway unless it is impracticable to do so ie the existing ground conditions will not allow a soakaway to work or you do not have the space to build one (they need to be min 5m away from any buildings). 99782387 R Square 0. The drainage should be installed at a low point in the affected area to allow it to drain surface water away to storm drain, or a Soakaway. 0. For small simple applications an adequate size for a soakaway can be calculated for any location using this simple design process. The two septic tank Got Filled and the Soakaway. 15 m (50 ft. MINIMUM DISTANCE FROM SEPTIC SOAK WAY BUILDING PROPERTY BOUNDARIES WELLS CUTS OR EMBARKMENTS WATER PIPES LARGE TREES 1. 2. A typical soak route in Nigeria is typically 4 by 4. 2. below ground, buried in trenches filled with. #1 Hi guys, does anyone know whether British Standards state if there is a min distance a rainwater soakaway has to be from a property and a neighbours. We've just pruned back a large rosebush to find that the guttering downpipe has rusted away and separated from the section that goes underground. 400m below GL. The wastewater generated in the house from the kitchen and bathrooms has to be disposed of. 995652485 Adjusted R. 0 xfor diameter up to 3. A Sewage Treatment Plant does not necessarily need a drainage field. 50m from water abstraction points, boreholes, springs. Wastewater treatment plants should be inspected monthly to check they are working correctly. The proposed soakaway borehole must meet the drainage standards for soil infiltration and storage emptying. Soakaways should last the life of the house, at least 100 years but only if. Guidance on Soakaways How to calculate the size required, and how to test the soils for its suitability, can be found in BRE Digest 365: 2016. In the range of septic tanks we sell, there's a 2,700L 4-person capacity, a 2,800L 4-person capacity, or a 2,800L 5-person capacity tank. A inspection chamber must be installed between the septic tank and the soakaway. ALL parts of the soakaway drainage field are required to be a minimum of: 10m from a watercourse or ditch. Vol = A × (rainfall rate/3000) This formula states that the volume of soakaway required is equal to the area to be drained (in m²) multiplied by the product of the storm rainfall rate (assumed to be 50mm/hr in UK) divided by 3000. 1 Ground Conditions Since the soakaway relies for its operation on outflows infiltrating into the surrounding ground, it is vital that the ground. What is a Soak Pit? : A soak pit which is also called a soakaway is a closed porous wall chamber that is primary design to allows water to slowly soak into the ground. The excavation for the soakaway is usually done by mechanical diggers. Martin’s House, Waterloo Road, Dublin 4 Tel: +353 1 660 2511 Fax +353 1 668 0009 Email: [email protected] and the width of the front garden is 5. g. This closes the pores and fissures at the excavation interface leading to. A soakaway is a hole in the ground that has been filled with pebbles, rubble and coarse stones. If you’ll be using a private well for drinking water, however, note that many state departments of health require a minimum of 50 feet between a new septic tank and a well, according to APEC Water. A wastewater treatment system is an effective, economical way of treating wastewater from buildings. But for long distances you'll want to provide access points for cleanout or inspection of the. 4. Building, planning and design. _____ Price €6. Knowing where it should go on your own will allow you to know where it should be placed and how far. At best, it will do nothing. Hi, a soak away should be a minimum of 5 metres away from your property and if your drive is sloping towards the house you need a minimum of a ACO drain against. So the entire area is just under. 25. It drew on extensive research by Trinity College Dublin and the National University of Ireland Galway under the national environmental research programmes administered by the EPA: Environmental Monitoring, R&D sub-programme. In the picture below - a poorly designed and constructed soakaway is located too close to the proposed extension, whose foundation trench can just be seen. 26 (£30. 8m lower than the ground floor level. Submitted soakaway design details shall include infiltration test results. 3. The price varies depending on the size of the septic tank and the time it will take to both empty and clean it. existing ground / formation level. If you do not understand the formula, the percolation test, or the best way to form a soakaway, then come back and we will point you in right direction. The frequency of desludging will depend upon the capacity of the tank and the amount of waste draining to it from the dwelling but further advice on desludging frequencies should be obtained from the tank manufacturer or the desludging. This is to avoid any issue or possible interaction with either your property or. The soakaway should then be filled with 10mm limestone chippings; Soakaway Installation. So all rain water from one half of the house plus the extension does not go into the sewer system. If you have opened a surface only drain, the dyed test water will only show up when the dye is added to a surface drainage point. No need to compact the bottom. . Refill the hole with water to a depth of 150mm and observe the time, in minutes, for water to seep completely away. In unsuitable areas a mound soakaway should be used so that there is at least 2m of soil between the bottom of the soakaways and the water table. Soakaways can be blocked by rainwater, which can quickly turn into an expensive issue. The tank which Stores a waste water of House or building is called Septic Tank. Devon. These can absorb 5 litres per m2 per day. First tank empty in 2016 and again in early 2020. 4m deep (hit rock) As you can see from the pictures, it looks like clay and certainly acts like clay. downpipe and a soakaway drain. Within 6 months. But, to get there, the surface water has to first leave your guttering. This is to prevent subsidence of the wall and to stop rainwater on your property from flowing into your neighbour's garden. The Soakaway Design Guide (July 2000) D4 f18. If possible try to position it approx 10 metres away. This is measured below the pipe invert so you' generally dig 1. In order store, the Wastage or sewage for 10-30 Days Septic tank is constructed and the same is designed. Roof sizing soakage trench area factor length 750 sq ft x 0. 38 times the volume of the hole. The condensate pipe goes strait in to the ground right next to my. You must have 7 metres of distance between your home and your septic tank. When the soil starts to build up in the soakaway, you can cover it with heavy duty fabric. First things first, your soakaway or drainage field should be at least 15 metres away from any building and 50 metres from a water supply, a well for example. In our first spring season, we noticed the garden was very waterlogged and pestered the builder who eventually installed a soakaway in the garden approx 1 metre from the back of the house. In this guide, we will look at what a soakaway is and how it relates to a septic tank. 5 metres from the boundary. As new wastewater enters the septic tank, it displaces the water that's already there. This process involves understanding the client’s requirements, the geology and construction design. 5 metres is just from the building in any direction, it doestn have to be away from the sides. 13 Aug 2013. Septic tanks or fields need to be placed at least five feet away from your home. The main factors involved in pricing the emptying of. The Soakaway or drainage systems be at least five metres away and from a building's wall. Damage to the dip pipes or baffle within a septic tank can cause a soakaway to become blocked. Where an existing soakaway shows signs of instability it is recommended that after the remedial measures have been completed the bottom two metres of the chamber be sealed with a bituthene coating protected by a 150mm thick dwarf wall formed from Class ST4 concrete. There are a few other things to think about such as getting a fall in the pipework, and bedding it on a layer of gravel, but it's not rocket science. This is called a percolation test. 3. Fill the hole with water and come back and check it the next morning. 200 metres of an aquatic local nature reserve. septic tank distance from house - septic tank distance from house How far should a septic tank be from a house? How far should a soakaway be from a building? How far should the soakaway be from a well, spring or borehole? This video will answer those questions for you. 1. If you have a combined system, the dyed test water show up in the chamber from both foul and surface sources. After, we discharged the Septic Tank. 5. (LPAs) might require that you keep a distance of 10-15 feet between your fence and shed for safety reasons or other legal considerations. The condensate pipework may terminate above or below ground level. You’ll need a new bottle gulley under the new down pipe. Should be fairly obvious if you get to a soakaway dead end. 8m 3 . Distance from Septic Tank to house. 0m from any houses or buildings. How Far Should a Soakaway be From the House? You need to ensure its far enough from the structure to prevent damage — 5 metres is the. In Auckland managing rain or so called “Stormwater” correctly is critical for the cities growth and. Using this formula we can quickly calculate the size of the soakaway that needs to be installed. Digging a circular pit. Hi everyone, Thanks for the info ref the soak-away test, suitability in clay and the common 70's practice. Same distances apply to the soakaway. This will allow the pipe to fall toward the soakaway at a 1:140 fall and reach the top of the crate. 0 3. Septic Soakaway Installation, Leach Field or Drainage Field Installation UK. Many local authorities and engineers recommend have regulations on the distance and location of soakaways. Connect the effluent carrying pipe to the soak. If you find the pipe, go out another 3 metres. 6m deep. If you cannot slope the slabs away you may wish to consider acho type drainage channels against the property which may be connected. e. The design shall be certified to BRE Digest 365 standard by a suitably qualified person. For existing developments, house connections from Manhole number 1 to the main sewerage system should be made at the earliest opportunity, and usage of the septic and sewage holding tank stopped. Ensure you connect the gutter securely to the eave of the roof. House Plans Menu Toggle. These are available from us. 0 3. Step 2 – Prepare the crates. The pre-settled sewage from the septic tank is released to the underground chamber, where it infiltrates into the neighboring soils. The soak-pit acts as a filter, releasing only clear and non-harmful water into the ground. In simple terms, a soakaway is a hole in the ground, filled with rubble. The Building Standards technical handbooks provide guidance on achieving the standards set in the Building (Scotland) Regulations 2004 and are available in two volumes, domestic buildings and non-domestic buildings. In many cities it is possible to maintain the sewer system, which routes the sewage from the septic tank of each home to a treatment plant. #4. For deeper excavations please seek specialist advice. 29 ex VAT)True Oga mi. It’s also recommended that your septic tank be located within 30 metres of an access point to allow for your tank to be easily emptied when required. The pipes are laid no deeper than 700mm – 800mm in the ground. 3. The insides of the excavation can become smeared, particularly by mechanical diggers building a soakaway in clay soils. Soakaways should be constructed in a circuit to make a continuous loop. Background Groundwater drawn from shallow tubewells in Bangladesh is often polluted by nearby pit latrines, which are commonly used toilets in rural and sub-urban areas of the country. (MORE: Get to Know Your Options for Off-Mains Drainage) Klargester reed bed system from. the distance between the pan outlet and the bottom of the Rest Bend must be less than 1. Septic Absorption field Septic drain field, leachfield, soakaway beds, absorption beds: 100 ft. Mary Long-Dhonau explains: “ [The size of. At best, it will do nothing. With. If you are paving over the top you will also need to allow 200mm on top of the gravel. Figure 1 – Connection of condensate discharge pipe to internal soil and vent stack. 4m3 per crate) £57. It collects the waste foul water from a property. This is to prevent any negative effects from the infiltrating water on the house foundations. If you have or are planning to start a discharge to surface water in or near a protected. It consists of 2 main components, a watertight underground tank into which raw sewage is fed and a system designed to discharge the wastewater safely to the environment without pollution. if, for the soakaway location, r on Figure 1 = 0. Beyond that and the minimum clearance distance is that we have already given above on this page, distance is going to be determined by the site and the available space. --. So for a three bedroom house with a maximum occupancy of five people, using the above example of VP 18: 18 x 5 x 0. 2662m3. Country. This research has confirmed the minimum allowable distance between a soakaway system and ground water source (Borehole), From the results obtained in chapter 4 of this work, the minimum allowable distance between soakaway pit and borehole (in Ugep area of Cross River State) is 30 metres (30m), which is in conformity with NAFDAC's (National. This means, in total, your soakaway is 1600mm or 1. Soak away next to house. discharge point below the soakaway, and within the unsaturated zone above the water. . #2. ukA simple, trapped gully will be installed on the edge of the patio nearest the soakaway, and a pipe will link the gully (which could be a linear channel , if preferred) to the cells that are about to be installed. Common guidelines require at least 50' clearance distance between a well and a septic system tank or 150' between a well and a septic drainfield or leaching bed but you will. And tumble your outlet into it. The inspection access should provide a clear view to the base of the soakaway, even when the soakaway is of the filled type (fig 3). A soakaway system or drainage field must meet certain criteria in order to satisfy the regulations laid out. After (just recently) reading to manufactures instructions concerning the soakaway its states it need needs to be. 5. i have looked in the valiant manual and it says distance for external pipe should be minimal to prevent freezing then it goes on to say should be a max of 3 metre with a 45mm fall per. Note – Check manufacturer’s instructions to see if an air break is required. This water flows out of the tank and into soakaway drainage field. IIRC, the standard mentions "about 5m" from a building. Refill the. They allow the surfaces water to infiltrate back into the earth close to where it falls. The soakaway must be a minimum of 10. Bore a hole 150mm in diameter with an auger, to a depth of one metre. Building, planning and design. A soakaway must be located far from the house. As assessment of the property will also need to take place to calculate the distance of the drainage field from obstructions, ditches, surrounding buildings and water abstraction points such as such as surface water and groundwater. Methods To determine the minimum safe distance of a tubewell from a pit latrine in different hydrogeological conditions of Bangladesh, 20 monitoring wells were. #5. Before I had this work done the guttering on my side always overflowed every time it rained and poured al over my. if its not under building regs you can do it any distance, min 5m is the ideal I suppose. Surrey. No thanks for the thread hi-jack BaS. 5 metres. 5 metres from the boundary. hi guys!!!!! ive noticed water in my cellar it seems level with area where the soakaway leaves the house. Hole 300mm square to depth of 300mm below where pipe will go into the soakaway. Fill the hole with water and come back and check it the next morning. Mark the hole 75mm (3in) from the bottom and 75mm (3in) from the top by pushing 6 inch nails into the sides of the of the percolation test hole. For more complex designs, soakaways can take up to two days to install and therefore are likely to cost around £2,500. How big should I make the soak away. 5 1. Step 2. #2. They. Assume. Minimum distance of 1m from base to top ground water level (taking into account seasonal variation) Minimum distance of 5m from any building, road. If the pipe starts in a trench 300mm deep the bottom of the pipe will be 600mm below the ground when it gets to the soakaway. If we can run a 22mm pipe back across to the main drain then that sounds a lot less expensive than a foul pipe over the same distance. Mary Long-Dhonau explains: “ [The size of. A septic tank is deeper than a soakaway and is plastered before being levelled, however, a soakaway is not handled in the same manner because the floor is left in its current condition and it is also shallower. Five metres is the accepted distance, but this also depends on the calculated size of the soakaway. Before they filled the large hole with stone chippings, they got the building Inspector to 'inspect' it. Dear All, I am trying to resolve an issue with an existing soakway in the front garden at my residential property in the UK. 100 depth below invert = 1. Limestone or fissured rock allows pathogens to travel much further. Damage to the dip pipes or baffle within a septic tank can cause a soakaway to become blocked. To continue our three bed house example, the final calculation would be: 750L + 2,000L = 2,750L. Summary: This Standard gives design guidance on how soakaways shall be incorporated into systems used to treat and. Whittaker House, Whittaker Avenue, Richmond-Upon-Thames, Surrey, United Kingdom, TW9 1EH. Country. Soakaway Crates: Aquacrate 20 tonne soakaway crate - 1m x 1m x 0. Make sure it’s adequate for the size of your house and grounds, otherwise it will be overwhelmed. If you have a soakaway attached to a septic tank or sewage treatment plant, your soakaway will discharge the treated wastewater which has come from your property. I du. A t = Area of the drainage field in m 2. Select a soakaway filter. After, we discharged the Septic Tank. Borehole distance measured from relative soakaway. 1 March 2017. 5 to 3 yrs. . The cost to empty a septic tank is usually priced between N45,000 to N90,000. 5 1. Here’s a summary of the regulations for the installation of soakaway crates: Should be located at least 5 metres from the wall of any building. But my point about the clay gulley is that they are (almost) invariably cracked, broken and leaking. 38 × 30 m 3 = 11. in you case you could run a pipe across the. 020 = 15 feet long Direct Water Away From Your House Locate your soakage trench where water from your downspouts or rainwater harvesting. The inspection access should provide a clear view to the base of the soakaway, even when the soakaway is of the filled type (fig 3). Designing the drainage fieldI am moving the fall pipe for a roof of approximate 15metres long and need to create a soak away (not on mains drains). Home | BC HousingSt. A retaining wall in your back yard is unlikely to have any waterproofing. 4m (190 litres/0. The soakaway rings shall be supported on a concrete base not less than 200mm thick with a diameter of not less than the external diameter of the rings The concrete used shall be Class ST4. Skip to content TastingBritain. Log In. Soakaway Crates: Polystorm 61 tonne Polypipe Soakaway Crate - 1m x 0. Above the crates we recommend a 150mm sand/gravel layer and a further 150mm – 350mm of backfill depending upon the application. It does not have to be beautiful, to scale, nor expensive. V p = Percolation value. 14 Soakaways near roads can saturate the subsurface pavement layers, leading to rutting, settlement, and premature pavement failure. near. This discharge does not require a Drainage Field. In 2020 guy said he thought there might be an issue with the soakaway as he thought he heard water draining back in. All soakaways must be sited at least 5m from any building or road and preferably at least 2. Similarly if the soakaway drains a driveway, the catchment area is the area of the hardstanding. ConversationsOld drywell. For this reason, they must be a set distance away from a home. down 4 feet in one afternoon but was still not free of the clay. The rubble mixture should sit around 5-inches from the surface. filled the hole at 1820, and by 2217 it had possibly (possibly) moved 2cm, but I suspect thats more hope than anything. The discharge point. Requirements vary from one area to another, but the normal minimum distance from the house is 10 feet. When wastewater is discharged into a soak-pit, it slowly soaks into the ground. Pipework to transfer the rainwater from the gutters, driveway, patio etc, to the soakaway. Yes, they have cut our shared surface water drain, and propose to divert the shared down pipe across to their side to flow onto their new extension roof, then through the guttering and down pipe on the end of extension to their new soak away. RedHerring. (A separation distance of 25m is specified for free water surface constructed wetlands to neighbouring dwelling houses. A cesspool doesn't have an outlet pipe. And the last thing you want is for that to happen in the depths of winter! So, if your condensate pipe is going to be external, ensure it’s larger than 22mm. According to the new building regulations any soakaway should be 5m from any foundations and at least 2. The two septic tank Got Filled and the Soakaway. Always cover the soakaway crates with a geotextile membrane to maintain the performance of the system. This should also include 15 metres of distances from other habitable buildings if the water is going to a drainage field. Materials such as the crate, membrane, pipe, gully, and gravel average £350,. below the ground) underground perforated pipes laid in gravel trenches that allow septic tank effluent to soak away over a large area. For deeper excavations please seek specialist advice. These are available from us. The trenches for the soakaway should be between 300mm and 900mm wide with a distance of 2m between trenches. As an aid, mark a stick 300mm from one end, place in the hole and fill up to the mark. The soakaway itself does not need to. For this, dig a hole at least 1. hi guys!!!!! ive noticed water in my cellar it seems level with area where the soakaway leaves the house. Created Date: 1/5/2005 7:46:36 AMInstalling a channel drain starts with a narrow trench cut into the concrete or asphalt. The designer for my extension put a soakaway in the middle of my front garden but the neighbours garage was only a few metres away, and there's probably only about 6 m between the edge of my proposed extension and the. . Question: OSSF Clearance Distance for Septic in Texas . ie Web: . 5m deep in a lower part of your garden and preferably at the bottom of a slope. The sketch at left shows that giving accurate location of septic components needs simply the identification of key components and distances. '. It was invented back in the 1800s by Henry Flagg French The president of Massachusetts (agricultural college). The drain must deepen a good deal from there as it runs under an upwardly sloping drive for about 20 yds. So Is the site totally undev. 00 3. Jan 20, 2015. It's 18,000 for 2 users + (6,800 x 3) 20,400 for 3 additional users equalling 38,400 total capacity. Or plumb into existing rain water system, by cutting slabs in situ and laying aco drain to where your down pipe is, providing levels work. The basic functions and the need for a soak pit. It was fitted with a condensate soakaway as no drainpipe/drain nearby. Step 5 – Cover the crates. Common guidelines require at least 50' clearance distance between a well and a septic system tank or 150' between a well and a septic drainfield or leaching bed but you will see. There will also be rules about the permitted turning radius in a curved driveway. It should be located at a safe distance from a drinking water source (ideally more than 30 m). Hi, we had a new combi fitted 10 months ago. VP x Population x 0. Martin’s House, Waterloo Road, Dublin 4 Tel: +353 1 660 2511 Fax +353 1 668 0009 Email: infoDMRB@nra. Your patio can be laid directly against your outside walls providing it is 150mm below existing Damp proof course. 5m 13. How far must a soakaway be from a house?. The repairs can then be authorised with your insurance company prior to works being completed. Or plumb into existing rain water system, by cutting slabs in situ and laying aco drain to where your down pipe is, providing levels work. Site Distance Requirements for Drywells This sketch (from New York's Wastewater Regulations) shows the recommended site clearances between seepage pit (used to receive septic tank effluent in this case) and other building and site features. sited to take account of. Regulation, i. 5 meters down, as a general rule of thumb for a driveway with a width of around 100 meters. 4 weeks later the whole is still full o water and shows no signs of percolating. T he S oakaw ay D esign G uide (M ay 2000) ii 6 . You can either infill with clean hardcore or crates (see what BC will accept: some insist on crates) but either way line the hole with Terram. The wastewater generated in the house from the kitchen and bathrooms has to be disposed of. This means, in total, your soakaway is 1600mm or 1. Unfortunately, in my case that's quite far from the back of the house so it would involve extensive pipework, including under my driveway, and be very expensive. These septic component clearance distance tables below give distance requirements between septic components and wells, streams, trees, property boundaries, lakes, etc. 5 3. If the soak away is dug into solid clay, this will only take a limited amount of water as it will fill quickly in heavy rain. Septic soakaway bed / drainfield shape & layout guidelines:. Septic Tank Regulations. septic tank distance from house How far should a septic tank be from a house? How far should a soakaway be from a building? How far should the soakaway be from a well,. 2 can be used.