Water Budget Calculator

Calculates comprehensive water budget for buildings including indoor, outdoor, and process uses.

Peak daily occupancy.
Gallons per person per day.
GPCD
Irrigated area.
sq ft
Monthly average ETo.
inches/month
Plant factor (0.3-0.8).
Cooling, kitchen, etc.
gallons/day

Results

Indoor Daily Use-gallons
Outdoor Daily Use-gallons
Total Daily Water Budget-gallons
Annual Water Budget-gallons
References: EPA WaterSense, CUWCC, LEED Water Budget Tool