Examples of groundwater vulnerability
Extreme ‘X’ Groundwater Vulnerability
Karstified bedrock at or within 1m of surface.
The Burren, Co Clare.
Extreme ‘X’ Groundwater Vulnerability
Point recharge feature. Extreme X groundwater vulnerability for a 15m radius around the swallow hole, as well as within a 10m buffer of the sinking stream.
Sinking stream at Barley Hill, Co Meath.
Extreme ‘X’ Groundwater Vulnerability
Bedrock at or within 1m of surface.
Molls Gap, Co Kerry.
Extreme ‘E’ Groundwater Vulnerability
1.5m of subsoil over locally important sand and gravel aquifer.
Knockanemore, Overns, County Cork.
Extreme ‘E’ Groundwater Vulnerability
Bedrock at or within 1m to 3m of surface.
Giant’s Hill, Rush, Co Dublin.
High ‘H’ Groundwater Vulnerability
10m depth of highly permeable sands and gravels in a locally important sand and gravel aquifer.
Broadford, Co Kildare.
High ‘H’ Groundwater Vulnerability
3m-4m depth of moderate permeability till (boulder clay) above bedrock.
Doorin point, Co Donegal.
Moderate ‘M’ Groundwater Vulnerability
Greater than 10m depth of moderately permeable till (boulder clay).
Rangue, Killorglin, Co Kerry.
Low ‘L’ Groundwater Vulnerability
10m depth of low permeability till (boulder clay).
Mountcharles, Co Donegal.