MPs have asked Defra to provide more information about how private companies will contribute towards the costs of flood defences.
A spokesman for Defra said that so-called partnership funding is expected to deliver around £148 million up to 2015.
But today's report from the Efra committee calls for more detail on the level of contributions from businesses and organisations that could benefit from the flood defences, and how this will increase in the future.
More top news
A "crippling" and "potentially historic" blizzard is set to hit the US, possibly leaving up to 30 inches of snow.
The abusive pasts of more than 1,300 violent partners have been disclosed under a scheme introduced less than a year ago, new figures show.
David Cameron has said he wants to cut taxes after the next election because British people "deserve a reward" following years of austerity.