Use Smart Choice to put a time on the change.
Edmond’s Smart Choice portal gives its utility customers access to next-day and historical hourly water-use records. Account registration is required for account-specific data. The city also provides an address tool to check whether a Smart Choice meter is installed.
City of Edmond: Smart Choice and meter lookup ↗If your account has this data, note the dates and times of unusual use alongside what was happening in the home. Hourly readings can add context to a repair conversation; they do not identify a failed component by themselves.
For customers of the named utility. Check the provider on your bill; a postal city alone does not identify your water or sewer provider.