Happy Valley Reservoir

Happy Valley Reservoir

The Happy Valley Reservoir was built between 1892 and 1897. The 547,000 cubic metres of fill needed for the site was hauled in by small steam locomotives.

From 2002 to 2004, the reservoir was upgraded and meets international standards.

Capacity: 12,650 megalitres.

If this reservoir supplied the whole state, how long would this last? Almost 20 days (19.8 days).

Area of water spread: 178 hectares.

Public access No.

Current reservoir levels: For current volume please click on the map below.

An archive photo of the Happy Valley water works

East side of the Happy Valley Reservoir embankment

Skip to data table

Total Happy Valley Reservoir level
  • 80
  • 82



Metro ReservoirMetro Reservoir
Regional ReservoirRegional Reservoir
Waste Water Treatment PlantWaste Water Treatment Plant
Water Treatment PlantWater Treatment Plant
Desalination PlantDesalination Plant
Water PipelineWater Pipeline

Capacity, volume and rainfall levels across reservoirs supplying metropolitan Adelaide, compared to last month last year
Capacity (GL) Volume this week (GL) Volume this week (%) Volume this week last year (GL) Average Volume this month (GL) Rainfall this week (mm)

  • Major faults

  • Reported

  • HMAS Australia Road
  • Henley Beach South
  • 18/12/2017
  • Water Off
  • 18/12/2017 3:26 PM - We are on-site responding to an incident in Henley Beach South. Our crews may remain on site to perform further work. Traffic restrictions may also apply. Reference Number WO:06151098

  • See all major faults

  • Scheduled works

  • Underway
  • Port Rd
  • Woodville
  • 18/12/2017
  • Supply Interruption
  • Estimated start time (water off): 20/12/2017 10:00 AM
    Estimated restore time (water back on): 20/12/2017 02:00 PM

    We’re committed to improving your services and are undertaking maintenance work in Woodville. Water supply in the surrounding area may be impacted during the above times. Traffic restrictions may also apply.

  • See all scheduled works