### Question
How does PART 401—GENERAL PROVISIONS define in the region?


### Answer
Under *40 CFR § 401.11*, **in the region** is defined as:

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

#### Citation:
  - *40 CFR § 401.11*
  - Heading: **Title 40—Protection of Environment > PART 401—GENERAL PROVISIONS > CHAPTER I—ENVIRONMENTAL PROTECTION AGENCY (CONTINUED)**

