We continue Newstalk’s 20 most influential moments of the past two decades.

Everyday we’re looking back at an influential moment chosen by our listeners.

Today, it's the introduction of water charges and the political and social upheaval that it caused. 

Brendan Ogle is the National Coordinator of Right2Water & the author of "New Republic: How the Fight for Water is Changing Ireland".

Fergus O’Dowd is Fine Gael TD for Louth & was the Minister of State at the Department of the Environment during the water charges controversy.

The joined Kieran on Thursday's edition of The Hard Shoulder.