### Question
Can you define what Southern California means?


### Answer
**Southern California** is defined as the following in *43 U.S.C. § 390h*:

> those portions of the counties of Imperial, Los Angeles, Orange, San Bernadino,[1](#390h-4_1_target) Riverside, San Diego, and Ventura within the south coast and Colorado River hydrologic regions as defined by the California Department of Water Resources

#### Citation:
  - *43 U.S.C. § 390h*
  - Heading: **CHAPTER 12-RECLAMATION AND IRRIGATION OF LANDS BY FEDERAL GOVERNMENT > SUBCHAPTER I-GENERAL PROVISIONS**

