A government minister has defended new monitoring requirements for combined sewer overflows in the House of Lords after a fellow peer questioned why they do not cover the volume as well as the frequency of discharges. Lord Benyon, parliamentary under-secretary at the Department for the Environment, Food and Rural Affairs, was also challenged on why it had taken so long to introduce monitoring requirements in the first place and whether water companies should be allowed to award bonuses and dividends whilst pollution incidents continue.