### Question
How does the law define cost-effective water efficiency measure?


### Answer
Under *42 U.S.C. § 17062*, **cost-effective water efficiency measure** is defined as:

> any building product, material, equipment, or service, and the installing, implementing, or operating thereof, that provides water savings in an amount that is not less than the cost of such installing, implementing, or operating

#### Citation:
  - *42 U.S.C. § 17062*
  - Heading: **CHAPTER 152-ENERGY INDEPENDENCE AND SECURITY > SUBCHAPTER III-ENERGY SAVINGS IN BUILDINGS AND INDUSTRY**

