jno, The 41p was from mobiles and has been scrapped. From landlines it’s 10.5p.
From your link.
//However, yesterday amid the outcry, it set up an alternative helpline on a cheaper 0345 number, which costs the same as calling a landline. //
Eddie, dredging or not is a contentious issue. I was listening to an interview with the leader of the Green Party the other day and it seems that much of the problem is due to green policies – not dredging rivers.