One man was handed a £200 fine plus £150 costs after riding a PWC at more than three times the speed limit along the River Blackwater and then twice colliding with an Essex Police boat in Steeple Bay when officers asked him to stop. Sargent Alex Southgate says: “We could see a PWC being driven quickly across the water. There is an eight knot (9mph) speed limit but we could see, even from some distance away, that the PWC was being driven at well over 30mph.