Spot the vole - yes, there is one in the top photo, honest. Two small ones tonight at Brick Kiln Farm, and another larger one at Yockings Gate. You only get flashes, though, not the long close-up views you used to get at White Lion Meadow car park in the town centre, hence the poor-quality photos.
I include a shot of the waterway at Brick Kiln Farm to show that water voles don't always need sloping soil banks to make burrows. Thick reed beds will also serve for nesting and shelter. Wildlife-friendly farmers will always leave a good margin of uncut vegetation beyond the banks, and avoid using pesticides in the immediate area. With so many predators, voles need all the cover they can get.