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1877:
Walka Water Works under construction
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1885:
A reliable water source for Newcastle
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1887:
Pipelines extend to Maitland and Newcastle
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1892:
Hunter District Water Supply and Sewerage Board is born
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1892:
Constructing stormwater drains in Newcastle
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1898:
Joseph Davis designs the sewerage scheme
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1902:
Water supplies diminish due to severe drought
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1907:
Residents connect to the sewerage system
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1910:
The Brown Street sewerage pumping station becomes a Newcastle first
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1910:
Free water for the streets
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1913:
Water for the BHP site construction
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1916:
Chichester Dam approved for construction
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1916:
A move to new Hunter Street offices
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1917:
A female officer joins the ranks
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1918:
Work gets underway on the construction of Chichester Dam
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1919:
Newcastle and Waratah reservoirs keep pace with demand
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1923:
A temporary connection allows water to flow from Chichester Dam
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1924:
Chichester Dam gradually fills to capacity and overflows the spillway
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1929:
The new Cessnock office was opened for business in 1929
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1931:
Financial depression forces Walka Waterworks to close
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1936:
Tomago Sandbeds Water Supply Scheme brought into use
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1936:
Burwood Beach Wastewater Treatment Works is completed
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1942:
The Board established a canteen in a Newcastle West warehouse for use by servicemen and voluntary workers
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1942:
Water supply provided to military camps in Greta, Largs and RAAF bases at Williamtown and Rathmines
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1952:
Water Restricted to the Suburbs
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1955:
Severe flooding interrupts water supply
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1956:
A storage dam with three times the capacity of Chichester Dam was planned to supply the Lower Hunter
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1962:
The new King Street office is opened for business
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1963:
Chichester Dam reaches record height of three metres above the spillway
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1964:
Grahamstown Water Supply Scheme offically opened
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1964:
The Board installed an IBM 1440 data processing computer at a cost £50,000
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1965:
Chichester Dam storage levels fall dramatically
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1967:
Seaham Weir was constructed across the Williams River
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1972:
Excess water now has a path to the Williams River
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1973:
A bentonite clay core is installed at Grahamstown
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1982:
User pays introduced for water usage charges
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1985:
Remedial measures and post tensioning work completed
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1987:
Work commences on the Hunter Sewerage Project
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1988:
Water supply treated at Dungog
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1989:
Ocean outfall extended
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1992:
In its centenary year, the Board broke with public sector traditions and became a corporation
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2000:
The first Biological Nutrient Removal (BNR) employed in the Hunter
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2000:
Water flows create new energy
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2002:
Meeting the needs of a growing community
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2003:
Priority Sewer Program to replace exiting onsite sewer systems.
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2004:
A pipeline to link two communities
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2006:
The horizontal direction drilling through the Merewether Hills was completed
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2006:
The Tillegra Dam project was announced by the NSW State Government
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2006:
Grahamstown storage capacity increases by 50 per cent
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2006:
New water and energy efficient building accommodates staff
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2007:
The extension of the water grid between Newcastle and Central Coast continues
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2007:
Devastating floods cause damage to Hunter Water's pipes and drains
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2008:
Grahmstown Dam's labyrinth overflows
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2008:
Customers from Dungog Shire Council transferred to Hunter Water from 1 July
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2009:
Alliance formed to upgrade 13 wastewater treatment plants
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2010:
New water scheme supplies reliable, recycled water for irrigation.
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2010:
A Lower Hunter Water Plan to identify solutions to secure the region’s water supply is announced.
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2011:
A clear new water tank to bolster water reserves
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2012:
Sewer for Clarence Town
