### Question
What does hypoxia or harmful algal bloom event mean?


### Answer
**Hypoxia or harmful algal bloom event** has the following meaning in *33 U.S.C. § 4010*:

> the occurrence of hypoxia or a harmful algal bloom as a result of a natural, anthropogenic, or undetermined cause

#### Citation:
  - *33 U.S.C. § 4010*
  - Heading: **CHAPTER 53-HARMFUL ALGAL BLOOM AND HYPOXIA RESEARCH AND CONTROL**

