The Court has today made an order for the suspended quashing of the 10 year licence granted by the Marine Management Organisation (MMO) to PD Teesport Ltd on 5 November 2025, which permits dredged material to be dumped at sea.
The Claimant, Dr Simon Gibbon, a retired industrial chemist, challenged the grant of the licence on seven grounds.
The grounds focused on the failure by the MMO to require adequate assessment of the environmental impacts of the licence, including: misapplying the OSPAR Guidelines for the Management of Dredged Material, which on Mr Gibbon’s case required the testing of far more samples than the MMO had accepted as sufficient; failing to consider alternatives to disposing of dredged material at sea; failing to require an environmental impact assessment; failing to carry out a lawful habitats assessment; and failing to take account of evidence that the dredged material was contributing to seal pup mortality in the Tees Harbour. The grounds also challenged the lawfulness of the licence due to the unenforceability of a condition excluding certain areas from dredging. Continue reading


