### Question
How is the term covered area defined?


### Answer
The term **covered area** is defined in *19 U.S.C. § 4731* as the following:

> the portion of the Tijuana River watershed that is in the United States

#### Citation:
  - *19 U.S.C. § 4731*
  - Heading: **CHAPTER 29-UNITED STATES&ndash;MEXICO&ndash;CANADA AGREEMENT IMPLEMENTATION > SUBCHAPTER VII-ENVIRONMENT MONITORING AND ENFORCEMENT > Part B-Other Matters**

