conservancy soon imposed regulations. In 1858 a toll of 15 shillings was imposed on every steam vessel passing Teddington Lock, and a speed limit set to five miles per hour. This was amended to 5 mph with the stream and 4 mph against it. Netting from Richmond to Staines was prohibited forever. The new authority reaffirmed the rights of anglers against interference from landowners and received a notice from the water bailiff drawing attention to the "improper practice of letting boats for hire to inexperienced persons". At this time the management of the bulk of the upstream river was the responsibility of the Thames Navigation Commissioners, but this changed in 1866. Second conservancy (1866) In 1866 it was considered expedient to put the navigation of the whole of the river under one management It was said that the Thames Commissioners were too numerous, the locks and weirs on the River Thames were in a bad condition and income was insufficient to pay for maintenance. It was believed that under single management with the upper river maintained properly and with lower tolls overall the traffic would increase. On 6 August 1866, the Thames Navigation Act 1866 allowed the Thames Conservancy to take over management of the river from Cricklade to Yantlet Creek, a distance of 177 miles (285 km). Under the act, all locks canals and other works of the commissioners were transferred to the conservancy. In addition provision was made for all weirs to be transferred to the Conservancy from private owners. Former owners of weirs were freed from liability but two weirs at Buscot and Eaton remained to the owner of Buscot Park. Most weirs belonged to the twenty eight water-mills still operating between Oxford and Staines and the entitlement to water of the mills, many of which dated back to Domesday Book, was recognised. No new flow of sewage into the river or its tributaries was allowed and existing sewage works were to be removed. New revenue was raised by a £1,000 per annum charge on each of the five water companies. The Southwark and Vauxhall, Grand Junction and West Middlesex water companies had set up their works at Hampton in the 1850s after it became illegal to take water from the Tideway. The Lambeth and Chelsea water companies had moved initially to Seething Wells but later relocated to East Molesey. Whereas the City of London owned the