San Diego County Water Authority
The San Diego County Water Authority has an overview of typical indoor/outdoor leaks: http://www.sdcwa.org/fixaleakweek
A step-by-step description of how to test your toilet for leaks. This document also includes a labeled diagram of the parts you'll typically find in a toilet tank.
Fixing Leaks (316.9 KB)
FREE WaterSmart Checkup
An independent water efficiency professional will visit your property and provide site-specific water saving recommendations. This is no obligation to implement the recommendations and no solicitation. Residential customers will be shown where their water meter is located and whether the meter indicates there is a leak on the property. The irrigation system will also be reviewed, including the irrigation controller, to see if runtimes are appropriate. To schedule an appointment, call (866) 883-1332 or click here to schedule an appointment online.