Skip to main content
hero banner icon

Summer Water Calculator

Use this clever calculator in summer to keep check on water levels in your dams and tanks and to estimate how long water for stock will last.

Before you begin, this short video explains measuring the depth of your dam.

Features

  • No login required, mobile friendly
  • Calculates automatically
  • You can select different dam shapes plus name dams and tanks
  • Accounts for batter slope and average summer evaporation rates
  • Delivers estimate of useable water - you can allow for sludge
  • Help information available on every page
  • Export pdf summary of your current available water - print or email

Enter details about the current water level in your dam/tank.

+ Add new storage

 

Select stock type, enter stock numbers and then select the water storage that each class of stock will be drinking.

+ Add new stock

Please enter at least one stock type.

 

Note: Evaporation is accounted for in the Daily Summer Use (Total litres per day) result - click Help for more. If the water remaining at this consumption is 10 days or less, monitor storage closely.

(Storage source: )

Current water available:

Stock ClassNumberDaily Summer Requirement
(L/head)
Daily Evaporation
(L)
Daily Summer Use
(Total L/day)

Disclaimer: The content of this Victorian Government website is provided for information purposes only. No claim is made as to the accuracy or currency of the content on this site at any time. The Victorian Government and this agency (Department of Jobs, Precincts and Regions) do not accept any liability to any person for the information or advice (or the use of such information or advice) which is provided on this website or incorporated into it by reference. No responsibility is taken for any information or services that may appear on any linked websites.

Page last updated: 15 Mar 2023

We acknowledge the traditional Aboriginal Owners of Country throughout Victoria, their ongoing connection to this land and we pay our respects to their culture and their Elders past, present and future.