COMHAIRLE CONTAE ÁTHA CLIATH THEAS
SOUTH DUBLIN COUNTY COUNCIL

south dublin county council crest

MEETING OF SOUTH DUBLIN COUNTY COUNCIL

Sunday, September 12, 2010

QUESTION NO.4

QUESTION: Councillor J. Hannon

To ask the Manager to state the estimated average annual usage of water per domestic household in South Dublin County

John Hannon

REPLY:

The average household use per domestic household in South Dublin County Council's Administrative area is 164 cum per year (as per Commercial Water Charges domestic allowance)

This is based on

·    an average per capita consumption of ~150 litres/person/day as detailed below (with no power showers/garden hose usage) and

·    an average occupancy of 3 persons/unit. (164 cum/year = 0.15 cum/person/day X 3 persons/house x 365 days)

Usage Litres Litres per annum
     
Shower 35 12775
W.C. 27 9855
Laundry Wash 40 14600
Hand Wash 12 4380
Teeth Brushing 12 4380
Dish Washer 10 3650
Cooking 10 3650
Drinking 2 730
Total per person per day 148 54020
Total per house per day 450 162060
Total per house per day with power shower 720 262800
Total per house including power shower and garden sprinkler 5,220 470300*
*Assuming that garden sprinkler is used every second day during June-August.

For tips on how to conserve water in the house and garden go to TapTips.ie