### Question
How does the law define in the region?


### Answer
Under *40 CFR § 300.5*, **in the region** is defined as:

> the watershed that drains to the nearest water identified in paragraphs (1)(i) through (iii) of this definition

#### Citation:
  - *40 CFR § 300.5*
  - Heading: **PART 300—NATIONAL OIL AND HAZARDOUS SUBSTANCES POLLUTION CONTINGENCY PLAN > Subpart A—Introduction**

