Environment Agency chairman Lord Smith said he has "no intention" of resigning as he faced down angry residents and reporters on the Somerset Levels.
He insisted he was "very proud" of the agency's work, but conceded that "dredging is probably one of the ways" it would held flooded residents in future.
As the flood crisis has escalated, so has the practicality of the footwear and clothing worn by Britain's politicians.
David Cameron has donned his wellies to visit Britain's flood-stricken areas, but was it all too late?
As the Westminster blame game rages on, the government must show victims of the catastrophic flooding that it has a grip on the crisis.