The Contra Costa Water District wants to help businesses and their customers use water efficiently and is offering the following free of charge: 

Bathroom mirror decals gently remind your customers and employees to conserve water. The decals are in English and Spanish.

The ‘cling-stick’ material easily attaches and removes from mirrors with no residue.

Size: 4.25 width x 5.25 height in white colored cling material

There are two versions of the decal:

a. (link to pdf) - Bathroom Mirror Decal -most commercial businesses,

b. (link to pdf) - Bathroom Mirror Decal - designed for most multi-family common areas, gyms and hotels.

Fixing leaks is the surest way to water savings!

Businesses which have traditional tank-type toilets can use these dye tablets to test for toilet leaks.

For an instructional video visit: 

http://www.cuwcc.org/Resources/Video-Library/emodule/2607/egallery/11

Select "Indoor Water Efficiency:" and then "How to Find A Toilet Leak"