Monthly Water Update

small map representing the district South East Coast (NSW)

South East Coast (NSW)

May 2020 Summary

Rainfall was average across 67 per cent of the area, and lower than average across 29 per cent of the area, mainly in the north and in the south. Total rainfall was 43 mm, 42 per cent lower than the long-term mean of 74 mm for May.

Streamflows were average for 46 per cent of the sites and lower than average for 43 per cent of the sites. Macquarie Rivulet at Albion Park had the highest streamflow for May since 1980. At three sites streamflows were second lowest for May since 1980.

Median streamflow salinity (electrical conductivity) varied between sites from 312 to 3261 μS/cm. Streamflows were high quality for 11 per cent, fresh for 33 per cent and brackish for 44 per cent of the sites. Bayswater Creek at Liddell had the highest salinity of all sites.

During May, storage volumes decreased in two systems and remained stable in three. By the end of the month, the volume of water stored was 69 per cent of the total accessible capacity, which is 15 per cent higher than the previous year.

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map visualising rainfall details


map visualising streamflow details

Streamflow salinity

map visualising salinity details

Water storages

map visualising storage details


map visualising rainfall details for South East Coast (NSW)

Rainfall statistics

Rainfall decile group Percentage of area
Highest on record since 1900 0%
Very much above average 0%
Above average 4%
Average 67%
Below average 28%
Very much below average Less than 1%
Lowest on record since 1900 0%

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