Likelihood of Inadequate Percolation to Groundwater

Published by: Environmental Protection Agency

Licensed under: Creative Commons Attribution 4.0

Category: Environment

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This dataset indicates the likelihood of inadequate percolation for Domestic Waste Water Treatment Systems (DWWTS) based on mapped geological information. This dataset was developed as part of a risk-based methodology to assist in the regulation of Domestic Waste Water Treatment Systems (EPA, 2013). http://www.epa.ie/pubs/reports/water/wastewater/dwwtriskranking.html. The aim of the report was to set out a methodology to enable the EPA to adopt a risk-based approach to organising inspections of domestic waste water treatment systems (DWWTSs), whereby the level of inspection would be proportionate to the risk posed to human health and the environment.

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Theme	Environment
Date released	2017-12-19
Date updated	2023-09-11
Dataset conforms to these standards	The INSPIRE Directive or INSPIRE lays down a general framework for a Spatial Data Infrastructure (SDI) for the purposes of European Community environmental policies and policies or activities which may have an impact on the environment.
Rights notes	{"EPA INTERNAL","EPA INTERNAL",restricted}
Update frequency	Irregular
Language	English
Landing page	http://www.epa.ie/pubs/reports/water/wastewater/dwwtriskranking.html
Geographic coverage in GeoJSON format	{"type":"Polygon","coordinates":[[[-10.47472, 51.44555],[-10.47472, 55.37999], [-6.01306, 55.37999], [-6.01306, 51.44555], [-10.47472, 51.44555]]]}
Spatial Reference Systems (SRS)	TM65 / Irish Grid (EPSG:29902)
Vertical Extent	{"verticalDomainName": "EPSG Projection 5731 - Malin Head height", "minVerticalExtent": "0", "maxVerticalExtent": "1014"}
Provenance information	This dataset is derived by applying a susceptibility matrix involving aquifer type, soil type, vulnerability and subsoil permeability. The full details of the methodology used can be found in the online resources provided, including the susceptibility matrix in Appendix 1 of A risk-based methodology to assist in the regulation of Domestic Waste Water Treatment Systems.
Period of time covered (begin)	2013-07-01
Period of time covered (end)	2015-01-01