The 60-year-old has now had a frank discussion about the "problem" with the food industry during a talk at his Cotswold Farm Park across the Oxfordshire border. Mr Henson took on the farm from his father Joe, who started running it in 1971 and helped to establish it as a much-loved visitor destination. READ MORE: EastEnders icon Shane Richie due in court next month"Yes, there is a problem there, and there is again with our sewage treatment plants allowing sewage into the waterways," he added. READ MORE: Three days of rain in a row to break Oxfordshire heatwave this week"And that doesn't matter who they are, whether that's a farmer or a sewage treatment plant. He added that a lack of resources is holding things back, calling it a “major problem”.