The Environment Agency has warned that tampering with locks, sluices and other water control structures is making drought management harder and increasing danger on inland waterways. The warning coincides with drought declarations in Lincolnshire and Northamptonshire, where water levels are already under pressure. According to the GOV.UK statement, damage to these assets is not a minor maintenance issue. It affects how water is held back and released, which in turn affects navigation, habitats and public safety. In dry conditions, even a single act of interference can quickly reduce water levels on a stretch of river that may then take time to recover.
The agency’s case is that vandalism has a direct operational effect. When paddles, gates or control equipment are moved without authorisation, water can be lost from upstream reaches, leaving boats stranded, reducing water available for wildlife and exposing hazards around locks and weirs. For policy readers, the point is straightforward. Water infrastructure on navigable rivers often performs several jobs at once: it supports boat traffic, protects ecological conditions and helps water managers respond to dry weather. Damage to that infrastructure therefore creates both an immediate safety problem and a wider water management problem.
Ashton Lock near Oundle is identified by the Environment Agency as one of the worst affected sites. Its winding wheel was damaged and had to be removed for repair. A temporary replacement was then fitted and later stolen. The lock’s guillotine gate, which regulates water flow, was also tampered with, draining water needed for navigation and for the local environment. In a separate incident at the same location, people removed a life buoy and its rope from a safety station, used the rope to hold the lock doors open and then wound up the guillotine gate, releasing water upstream. The agency says this has happened repeatedly and that the matter has been reported to the police.
The same pattern has been reported elsewhere on the River Nene. The Environment Agency says a recurring problem is people manually winding up lock paddles, which drains the stretch of river above. It identifies the section between Upper and Lower Barnwell locks as the worst affected, including the reach near Oundle Marina, where some people live aboard their boats. That matters more during drought because depleted reaches do not recover quickly. The agency also reports attempted break-ins to control panel boxes, people climbing on guillotine gates, and people jumping into locks despite hidden hazards around the infrastructure. Separate incidents have involved weed-cutting boats left on the riverbank during maintenance being climbed on or broken into.
Ben Thornely, an Area Manager at the Environment Agency, described the level of vandalism as serious and said it was putting lives at risk while also damaging drought operations, wildlife and navigation. The agency is asking anyone who witnesses vandalism or antisocial behaviour at its assets to report it to the police and to the Environment Agency on 0800 807060. Its response has moved beyond routine maintenance. According to the GOV.UK statement, the agency has placed volunteers at Great Ouse sites to discourage vandals, installed CCTV at some locations, linked some cameras to council control rooms with speakers, and increased safety inspections. It also says incidents have been recorded at Northampton Town Lock, Whiston Lock, Billing Lock, Upper and Lower Wellingborough Locks, Irthlingborough Lock, Denford Lock, Nine Arches Mooring, Lower Barnwell Lock, Elton Lock and Alwalton Lock.
The wider drought context is central to the article. In Lincolnshire, the Environment Agency says its Trent Witham Ancholme scheme can pump the equivalent of 60 Olympic-sized pools of water a day if needed. The scheme supports more than 100 abstraction licences used by water companies, farmers, industrial users and other licensed abstractors taking water from the Rivers Ancholme and Witham. The agency also says it is working with farmers, growers and water companies to promote sustainable water use during the dry period. That includes temporary limits on abstraction licences and support for water transfers between abstractors. It is also responsible for checking that water companies have robust drought plans in place, while decisions on hosepipe bans remain with the individual water companies.
The public safety message remains blunt. The Environment Agency advises people not to jump or dive because water depth can vary and submerged hazards may not be visible. It also warns against entering water near weirs, locks, pipes and sluices, where strong currents can develop, and notes that inland water can remain dangerously cold even in hot weather. It further advises people to watch for boat traffic, since crews on larger vessels may struggle to see swimmers in time. The Respect the Water campaign is cited for further guidance. Read as a policy brief, the article’s main point is that vandalism is not only criminal damage. In drought conditions, it interferes with water control, disrupts licensed use of rivers and adds avoidable risk for the public and for emergency responders.