The development and testing of the Beachport Town Water Supply Bore No. 2, was badly handicapped by incorrect screen selection, an apparently insensitive pressure gauge, and incomplete development of the bore prior to testing. The transmissivity of the Knight Formation sand aquifer developed by the bore is estimated at 270 m3 day-1-1. The safe yield of the bore is approximately 5 litres sec. -1, if sanding of the bore and collapse of the aquifer is to be avoided.