Customer stated having a high water bill over the last month and a half. Upon arrival, water meter, constantly running at steady slow pace. Shut off water to irrigation system and meter still running. Shut off interior hall home shut off valve and meter stopped moving. Examined three separate water heaters in home and checked temperature and pressure discharge line ends outside of home with no water. Detached hoses from three separate hose spigot on exterior of home with no water passing through. Washing machine connections, not leaking and icemaker line for refrigerator not leaking. Checked all seven faucets in the home with no leaking. Three different showers were not leaking as well. Placed tablets in all toilets to find hallway, bathroom toilet allowing water to pass-through. Completed minor tank rebuild for customer with toilet no longer leaking. Meter has stopped moving.