### Question
What does secondary treatment mean?


### Answer
**Secondary treatment** has the following meaning in *22 U.S.C. § 277d*:

> 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**

