It looks like Englandโs most successful water company, Severn Trent, is popular with investors. It has been awarded the Environment Agencyโs top rating for five consecutive years, but is the companyโs record really as good as it appears? Reporter Joe Crowley investigates how Severn Trent hits environmental targets while dumping large quantities of sewage and asks whether there is more to the companyโs finances than meets the eye.