You may still need to remove the tank lid and pull up the float. If the water continues to run, turn off the main supply line coming into your home. Once you’ve turned off the water, use a plunger to remove any paper-related clog. If the plunger doesn’t work, use a toilet ...
If your flapper doesn’t appear to be the culprit, chances are it’s a problem with the fill valve. The fill valve refills the toilet tank after flushing, but if it’s improperly set, it will allow the water to run continuously. Follow this guide toreplace your fill valve. ...