Quote:
Originally Posted by Arctic Fox
We set each zone (grass or shrubs) for 20 minutes, once per week, and turn off manually if it has rained the day before irrigation.
Our monthly usage (inside and out) is 3-4,000 gallons.
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Congratulations, that's great. From the data I have analyzed less than 50k gallons annually for an interior designer lot (5,200 sq ft) is quite rare.
The average potable water is very close to 3100 gallons for an occupied month for a couple.
I have figured out how to cut potable water but not irrigation. Across the board, 8900 to 5,100 sq ft lots, uber green lawns to brown lawns the average is 133,000 gallons annually. But usage varies wildly from 40k to 280k annually.