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Current Dam levels
% full 96.85
% change
Dams empty date (from 1-year differential)never
Sydney Dam Levels

Current Sydney Dam levels and current statistics (and rainwater tanks)

Sydney's Dams: Statistics and estimates of water levels this month. Current water levels, graphs, statistics and much more. Current and recent rainfall on Sydney's catchments, specifically Warragamba catchment. Also handy for anyone interested in rainwater tanks, irrigation, grey water tanks, watering systems using rainwater tanks and saving water in general.

SUMMARY: The latest on our dam levels (2012-04-28 @11:27 )
Current Dam conditions
% full overall% change 1 weekSourceDate
estimate2012-04-28 @11:27
Sydney dam levels this month
For every 1 litre being used in Sydney right now, we estimate that 0.000 litres are flowing into the dams. For general trends on Sydney dam levels, see Sydney's water crisis analysis (2012-04-28 @11:27 )

Daily dam levels - weekly changes and trend for the last month. Updated weekly whenever the SCA releases data.

2012-04-26 WarragambaOther DamsOverall
Weekly change
Monthly change
Yearly change

Overall dam levels and usage for the last month. (SCA data)

This graph shows the official SCA data on our overall dam levels for the last month:

Next major escalation in water restrictions due when dam levels hit: 30%. This week we have 5 happy water drops and 4 sad water drops. During the month until 2012-04-26 Sydney's overall dam levels have gone from 2462.5 GL (Gigalitres) to 2500.5 GL. Inflow and usage of Sydney's water for the past month:

It is also interesting to compare this to a year ago.

Current Trends in overall dam levels
  • At the overall rate of water loss in the past week in the dams, our supply will last 1346 days, less than 4 years and run out on 2016-1-2 .
  • At the overall rate of water gain in the past month in the dams, they will fill in 62 days, less than 1 years and will overflow on 2012-6-27 .
  • At the overall rate of water gain in the past year in the dams, they will fill in 813 days, less than 3 years and will overflow on 2014-7-18 .
  • The catchment areas would require 35 mm of rain over a fortnight period to fill the dams.

Dam levels since Thursday
The SCA releases its data only on Thursdays. We use rainfall at Mittagong (near the center of the catchments) to provide an estimate of dam levels since this time.
Sydney dam levels this month Data from Mittagong (center of catchments) used to calculate our dam level estimate, updated hourly (mm rainfall):
2012-4-26 - - - - - - - - - - - - - - - - - - - - - - - - 0
2012-4-27 - - - - - - - - - - - - - - - - - - - - - - - - 0
2012-4-28 - - - - - - - - - - - - - 0
The official SCA rainfall on our biggest catchments, updated once a day, weekdays:
Catchment Rainfall (mm)
For more details on the past 7 days rainfall on all of Sydney's catchments, and how much water will flow to our dams from it, see our page on This week's weather and rainfall on Sydney's catchments.

These graphs show the dam levels at each of our dams for the past month (SCA data). They are sorted from largest to smallest.

Warragamba Dam: (capacity 1857 GL)

Avon Dam: (capacity 147 GL)

Cateract Dam: (capacity 94 GL)

Cordeaux Dam: (capacity 94 GL)

Woronora Dam: (capacity 72 GL)

Nepean Dam: (capacity 41 GL)

Tallowa Dam: (capacity 35 GL)

Wingecarribee Dam: (capacity 24 GL)

Fitzroy Falls Dam: (capacity 10 GL)

Prospect: (capacity 9 GL)

Blue Mountains Dam: (capacity 3 GL)

For more information and statistics about individual dams in the Sydney dam system, see our individual dam levels pages.

Sydney dam levels main page
This month dam level statisticsRainfall this week
Trends of Sydney dam levelsUsage and Inflow trends
Firefox Extension (SydDams)Interactive Catchment Map
Dam levels for individual damsSydney Desalination plant impact on dam levels
Reduced Usage impact on dam levelsHow to save water in Sydney
General Information on Warragamba and Sydney's other Dams
Home irrigation/watering systems in Sydney
Old location of Sydney dam levels page
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Email if you need to contact the webmaster.'s subsite on Sydney's water is relevant to people interested in conserving water, rainwater tanks, irrigation, plumbing and plumbers. It can also be of interest to people examining water quality and filtering.