4/17/2024 0 Comments Septic tank volume calculator![]() ![]() a well or borehole to discharge waste water to ground.You cannot meet the general binding rules if you’re using: If you use a non-standard system (such as a well, borehole and soakaway) they are located, designed and constructed in line with the recommendations in British Standard BS 6297:2007.The system you use must meet the relevant British Standard (see rule 9).ĭischarges through drainage mounds can meet the general binding rules if: These are arranged so that the waste water can trickle through the ground for further treatment. But it uses mechanical parts to treat the waste water to a higher standard before it goes to a drainage field.Ī drainage field, also known as an infiltration system, is a series of pipes with holes placed in trenches. You must not discharge effluent from a septic tank to a watercourse.Ī septic tank is an underground tank where the solids sink to the bottom, forming a sludge, and the waste water flows out to a drainage field.Ī small sewage treatment plant, also known as a package treatment plant, works in a similar way to a septic tank. You must use a septic tank or a small sewage treatment plant to treat the sewage and then discharge the waste water to ground through a drainage field. The sewage must not cause pollution – find out how to check for pollution. Rule 4: do not cause pollution of surface water or groundwater For example, from a toilet, bathroom, shower or kitchen of a house, flat or business (such as a pub, hotel or office).įind out more about what the definition of domestic sewage includes. If you discharge more than 2 cubic metres (2,000 litres) a day to ground you must connect to the public foul sewer when it’s reasonable to do so. You will need to add all sources of flow together. Rules that apply to all discharges Rule 1: only discharge 2 cubic metres or less a day in volumeįor sewage from a residential property, use the daily discharge calculator to work out how much you discharge a day.įor commercial properties (such as a hotel, restaurant or office) or holiday accommodation (such as a cottage or chalet), use British Water’s Flows and Loads guidance. additional rules for new discharges started on or after 2 October 2023.additional rules for discharges started.increased a discharge to ground to more than 2 cubic metres (2,000 litres) a day to ground.changed a discharge from surface water to ground.You’re in this category if, on or after the 2 October 2023, you: ![]() New discharges that started on or after 2 October 2023
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