### Question
How is the term secondary treatment defined?


### Answer
The term **secondary treatment** is defined in *22 U.S.C. § 277d* as the following:

> such term has under the Federal Water Pollution Control Act and its implementing regulations.

#### Citation:
  - *22 U.S.C. § 277d*
  - Heading: **CHAPTER 7-INTERNATIONAL BUREAUS, CONGRESSES, ETC. > SUBCHAPTER IV-INTERNATIONAL BOUNDARY AND WATER COMMISSION**

