Read a water meter on a non-residential building

Last updated November 29, 2022
Reading time: 1 min

Want to track your water consumption? Learn how to understand the data displayed on your water meter.

Water meters are generally located near a building’s main water inlet. The data shown in digital or mechanical format represents the water consumed within the building.

Understanding the water meter display

The meter displays a series of numbers, which may or may not include decimals. If decimals are displayed, they are located to the right of the series of numbers, often separated by a period or an arrow, or they have a different colour (red or black).

Reading a meter with decimals

If the meter displays one or several decimals, they should not be taken into account in the reading. Only the series of numbers preceding the decimal should be read. 

If you are asked to provide a meter reading, you must take note of all the numbers preceding the decimal, starting with the zeros.

Digital meter displaying two decimals after the period

Compteur numérique affichant deux décimales après le point

The meter shows 246 m3 

The meter reading to transmit would be 000246

Mechanical meter displaying a decimal in black

Compteur mécanique affichant une décimale en noir

The meter shows 4,874 m3

The reading to transmit would be 04874

Reading a meter with no decimal

If the meter does not display a decimal, the entire series of numbers must be read. 

If you are asked to provide a meter reading, you must take note of all the numbers displayed, starting with the zeroes.

Mechanical meter with no decimal

Compteur mécanique sans décimale

The meter shows 98,882 m3

The reading to transmit would be 098882

Mechanical meter with no decimal and a fixed zero

Compteur mécanique sans décimale avec un zéro fixe

The meter shows 382,820 m3
The reading to transmit would be 0382820

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