Ministers must take urgent action to safeguard England's water resources, a Commons select committee has said.
The environment, food and rural affairs committee called for targets on using more water meters and speedier reform of the way water is taken from rivers.
The warning comes as some parts of England have faced drought while record-breaking rainfall has caused flooding in many areas.
Labour accused the government of "dragging its feet" on reforms.
A report by the environment, food and rural affairs select committee examined government plans set out in a white paper on how to conserve water resources in the face of climate change and population growth.
The committee said it was "extremely disappointing" that targets had not been set to increase levels of household water meters - where people only pay for the water they use.
Read more: http://j.mp/OiWBVu