The Mole Story

A website about the River Mole in Surrey, South East England. Associated with River Mole River Watch.

  • Making Mole Hills out of Mountains: Part 3

    This is Part 3 of the epic story of the formation of the River Mole catchment and the Weald. It’s a challenge piecing together the key events of the Tertiary relating to the Mole landscape. This post has become a discussion weighing up different theories and following threads of evidence from various articles and references.…

  • Making Mole Hills out of Mountains. Part 2: The Mesozoic Trough

    Part 2 of the formation of the River Mole landscape: this post covers the 200 million years of the Mesozoic era in which the rocks comprising the surface of the Weald were laid down.

  • Making Mole hills out of Mountains: the formation of the Mole and the Weald

    Part 1: The Palaeozoic Floor This is the epic story of how the landscape of the River Mole catchment has been formed. Geographically we are dealing with the Downs, the Weald, the Mole Gap and the London Basin to the confluence with the River Thames. It is an immense topic spanning 400 million years of…

  • Mandatory SuDs for England!

    Good news today regarding SuDS, stormwater management, storm overflows, flood risk and pollution. Mandatory SuDS are coming to England. Developers will no longer have an automatic right to connect stormwater to the sewer but will be required to have sustainable drainage systems approved from a SuDs approval body before starting any construction work that has…

  • News! Real-Time storm discharge data now available from Thames Water

    Some significant news on river pollution! Thames Water have today 4/01/2023 released a “live” map showing near real-time data on storm discharges at their sewage treatment plants. This is useful to identify how often and how long storm overflows occur. Thames Water want to be more transparent and open about their storm discharge activity. We…

  • Development threats to runoff in the Upper Mole Basin

    Analysis of potential impacts on runoff and river flow of three developments in the Upper Mole basin.

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