To all our customers and colleagues, we are having intermittent problems with our phone lines, should you get an engaged tone please keep trying, as we are here as usual, or use the contact box or email. 38 years and counting; that's how long we've been in operation at Ashfield Effluent Services Ltd. With this number of years in experience under our belt, there really is nothing that we haven't come across before. We'll provide you with the expert advice you're after on all aspects of sewage treatment and waste management.