### Question
What is the definition of estuary?


### Answer
The definition of **estuary** is as follows in *33 U.S.C. § 2402*:

> a body of water having an unimpaired connection with open sea, where the sea water is measurably diluted with fresh water derived from land drainage, and such term includes the Chesapeake Bay and estuary-type areas of the Great Lakes

#### Citation:
  - *33 U.S.C. § 2402*
  - Heading: **CHAPTER 37-ORGANOTIN ANTIFOULING PAINT CONTROL**

