### Question
What does Middle and Upper Columbia River Basin mean?


### Answer
**Middle and Upper Columbia River Basin** has the following meaning in *33 U.S.C. § 1275*:

> the region consisting of the United States portion of the Columbia River Basin above Bonneville Dam

#### Citation:
  - *33 U.S.C. § 1275*
  - Heading: **CHAPTER 26-WATER POLLUTION PREVENTION AND CONTROL > SUBCHAPTER I-RESEARCH AND RELATED PROGRAMS**

