If the pipe is set in from the bank with a concrete headwall and apron protecting the pipe, bed and banks from erosion, you may require temporary consent.
Os yw’r bibell yn cael ei gosod i mewn i’r tir o’r lan gyda chefnfur a ffedog concrit yn gwarchod y bibell, y gwely a’r glannau rhag erydu, efallai y bydd angen caniatâd dros dro arnoch.