Deposit and dewatering of non-hazardous silts

Sets out the requirements you need to meet to deposit and dewater non-hazardous silt from sustainable drainage systems on land without an environmental permit.


Regulatory Position Statement 055: Deposit and dewatering of non-hazardous silts from Sustainable Drainage Systems on land

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Regular maintenance of sustainable urban drainage systems (SUDS), including removal of silt that gathers in them, is required to ensure long term performance of the system.

You must have an environmental permit to deposit these silts on land adjacent to where they are produced unless you follow the requirements in this guidance.

Published 27 March 2014