Drainage and flooding responsibilities
Find out which organisation to contact for flooding and drainage issues
Different organisations deal with different types of flooding.
Hampshire County Council (Hampshire’s Lead Local Flood Authority)
The County Council is responsible for managing the risk of flooding from:
- surface water (rainfall) runoff
- ordinary watercourses
- groundwater
As the highway authority, Hampshire County Council is also responsible for flooding on most of the road network.
More details can be found on the Hampshire County Council flooding website.
Environment Agency
The Environment Agency is responsible for:
- flooding from main rivers
- issuing Flood Warnings
- maintaining flood maps for rivers, surface water and groundwater
- managing and supervising main rivers
More information can be found on the Environment Agency website.
Thames Water
Thames Water is responsible for:
- managing and maintaining the public sewerage system (foul and surface water)
- flooding from public sewers and pumping stations
More details can be found on the Thames Water website.
South East Water
South East Water is responsible for:
- the supply of clean water up to and including your water stopcock
- water leaks from the clean water supply
More detailed information can be found on the South East Water website.
Hart District Council
We maintain watercourses and drainage assets where we are the landowner.
If you are aware of any flooding or drainage issues relating to Hart District Council-owned drainage assets, please contact drainage@hart.gov.uk.