Michael Fitzmaurice (Roscommon-Galway, Independent) | Oireachtas source

So, we could be making assumptions. There are so many things done with modelling at the moment, including some of the climate modelling, but modelling can end up blaming someone. Unless we can know for definite whether the phosphorus is from an animal or the sewage-treatment plant, we have a big problem. Many sewage-treatment plants in this country have two open gates or whatever when heavy rain comes.