Measure potable water used during the event window and normalize it against attendance or another stable denominator.
W05SUSTAINABILITY CRITERION
Water
Measure potable water used during the event window and normalize it against attendance or another stable denominator.
Event water intensity
L / attendee
Meter/submeter readings, event window, attendance, known leaks or temporary uses, baseline.
Event-period potable water (L) ÷ verified attendance.05 · TARGET
Good / Better / Best
Use the threshold as an assessment reference. If an event adopts a different threshold, publish it before measurement and keep it stable for comparison.
GOOD≥10% reduction
BETTER≥20% reduction
BEST≥30% reduction + submeter evidence
Minimum evidence
Meter photos/exports; utility record; attendance; leak log; baseline workbook.
Without source data, the criterion score is capped at 40/100.
Pre-publication check
- ✓Opening and closing meter timestamps are retained
- ✓Temporary uses are included or disclosed
- ✓Leaks/anomalies are documented
- ✓Attendance denominator matches the event
- ✓Baseline boundary is comparable