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Report flooding

Flooding from a river

If one of the following rivers is flooding please telephone the Environment Agency on 0800 80 70 60 (lines are open 24 hours).

  • River Wandle
  • Beverley Brook
  • Pyl Brook (inc. East Branch)
  • River Graveney
  • Bunce's Ditch
  • The Pickle
  • Wandle Park Ditch
  • Figges Marsh Ditch

If the flooding is from another river or watercourse, please contact us at

Flooding from a public sewer

If sewage is coming up out of a drain please report this to Thames Water on 0800 714 614 (24-hour).

Thames Water website

Flooding from a burst water main or water service pipe

There are two water companies responsible for supplying water to Merton. In the event that a water main bursts or there is flooding or a leak from a water service pipe the relevant company should be contacted on:

Flooding due to a blocked drain on the street

See Drain or Sewer Problems.

If your property has been flooded

If water is entering your property or there is a risk to life, call the emergency services on 999.

If your property has been flooded and you need to speak to someone for advice please contact the Emergency Planning Team:

  • during working hours: 020 8274 4901
  • out of working hours: 020 8543 9750