### Question
How is the "high tide line" defined?


### Answer
The term **high tide line** is defined in *40 CFR § 401.11* as follows -

> the line of intersection of the land with the water's surface at the maximum height reached by a rising tide. 

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

