![]() The plan allocates inspections to various areas or risk zones and Donegal Co. Council has been allocated a minimum of 118 inspections annually. The Plan requires a minimum of 1,000 inspections per year, of which Donegal Co. Since the plan was first developed in 2013, it has recommended a two strand approach of (i) public engagement (advice & communication) and (ii) risk based inspections. The Environmental Protection Agency has published the National Inspection Plan for Domestic Waste Water Treatment Systems 2022 - 2026: Domestic Waste Water Treatment Systems (NIP), which aims to protect water and human health from the risks posed by domestic waste water treatment systems. Septic Tank Inspections National Inspection Plan for Domestic Waste Water Treatment Systems 2022 - 2026 The above information is also available in Irish at 223 of 2012) require owners of DWWTS to operate and maintain their systems so as not to pose a threat to the public or to the wider environment.įurther Information on the legislation is given on the EPA Website. Regulations governing the operation and maintenance of domestic wastewater treatment systems (DWWTS’s) ( S.I.It is an offence not to register your system, (new or existing).All new development, where a DWWTS is constructed or installed, shall ensure that the system is registered with the local authority within 90 days of connection of the premises to DWWTS ( S.I.The website also provides a comprehensive FAQ section. If you have not registered, you should still do so on Protect Our Water website.180 of 2013 - Domestic Waste Water Treatment Systems (Registration) (Amendment) Regulations 2013. A registration system for DWWTS is in operation, with most existing DWWTS registered before the 1st February 2013, in accordance with the Water Services (Amendment) Act 2012 and S.I.Homeowners should carry out periodic checks as described in the EPA guidance,.DWWTS will not function indefinitely without being de-sludged, ideally on a regular basis by a permitted contractor, (see list of permit holders below.Homeowners are responsible under the Water Services Act (as amended) for regular inspection & maintenance of their DWWTS, and failure to do so may lead to substantial replacement costs.(This avoids hydraulic overloading of the DWWTS and ensures that clean water stays clean) Roof water and surface water from gullies around the dwelling should not be connected to the DWWTS, but should be piped to the nearest water-course.All grey water discharges from the dwelling house, (sinks, showers, baths, washing machine, dishwasher), should be connected to the DWWTS (septic tank).This describes how a suitable treatment system should be designed, installed and maintained, including advice on infiltration (percolation) areas of various kinds depending on ground conditions. The Environmental Protection Agency (EPA) has published excellent guidance in the form of the Code of Practice: Domestic Waste Water Treatment Systems (Population Equivalent < 10). The EPA website provides an Animation on how a DWWTS (septic tank or treatment system) works.Īdvice on installing & maintaining a DWWTS A malfunctioning system can also contaminate groundwater and private wells, while foul odours can also be generated. In such failures, humans and animals can come in contact with the wastewater and be exposed to pathogens, e.g. ![]() When the wastewater is not absorbed by the soil it can form stagnant pools on the ground surface or discharge into water-courses. There are a number of different pollutants in domestic waste water and on-site DWWTS can threaten public health and water quality when they fail to operate satisfactorily. A DWWTS is assumed to have a daily hydraulic loading for each person of 150 litres and typical household occupancy of 2.8 people. The greater the population of the dwelling, the greater the volume of waste water produced. ![]() Wastewaters from single houses in the countryside, that are not connected to sewers, are generally treated on-site by septic tank systems or secondary treatment systems, which come under domestic wastewater treatment systems, (DWWTS).ĭWWTS accept sewage and waste water from toilets, and what is termed grey water from showers, sinks, wash hand basins, washing machines and dishwashers. Home > Services > Environment > Pollution Control > Water Pollution Domestic Wastewater Treatment Systemsĭomestic Wastewater - General Information on Septic Tanks
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