### Question
What does navigable waters mean?


### Answer
**Navigable waters** has the following meaning in *40 CFR § 401.11*:

> the waters of the United States, including the territorial seas.

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

