### Question
What is the definition of adjacent?


### Answer
The definition of **adjacent** is as follows in *40 CFR § 300.5*:

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

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

