 Larger scoop wheels were fitted to the Brandon Engine in 1860, and to the Lark Engine shortly afterwards.The financial standing of the Drainage District had steadily improved since the 1807 Act, and they were repaying the money borrowed in earlier years.A Fifth Burnt Fen Act was obtained in 1823, which recognised the damage done to river banks by horses and commercial traffic using them, and made provision for such use to be charged.