### Question
How is the "adjacent" defined?


### Answer
The term **adjacent** is defined in *40 CFR § 401.11* as follows -

> bordering, contiguous, or neighboring a water identified in paragraphs (l)(1)(i) through (v) of this section, including waters separated by constructed dikes or barriers, natural river berms, beach dunes, and the like. 

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

