In 1789 drought threatened the colony, and the small freshwater
stream that ran into Sydney Cove proved an inadequate source of
water. To overcome this, holding tanks were later cut into the sandstone
banks to provide storage for the water. This stream became known as
the 'Tank Stream'.
Lieutenant William Dawes led a party into the mountains across the
Nepean River, penetrating 15 miles (24 km) in 3 days An Account of
the English Colony in New South Wales From Its First Settlement in
January 1788, to August 1801 By David Collins
The Store ship
Guardian, Captain Riou, laden with stores and
carrying 25 convicts and and a crew of 123 struck an iceberg
400 leagues from the Cape of Good Hope. Captain Riou died
during the attack on Copenhagen on 2 April 1801 and was
commended by Lord Nelson for his gallantry and bravery.