Here are several irrigation resource links specific to California, including licensing, certification, and additional relevant resources:

1. California Department of Water Resources (DWR):

2. California Landscape Contractors Association (CLCA):

3. California State Water Resources Control Board (SWRCB):

4. California Irrigation Management Information System (CIMIS):

5. California Department of Pesticide Regulation (DPR):

6. California Landscape Contractors License:

7. California Water Efficiency Partnership (CalWEP):

8. California Urban Water Conservation Council (CUWCC):

9. California Water Boards – Division of Water Rights:

Please note that specific licensing, certification, and program availability may vary. It’s recommended to visit the respective websites and contact the relevant organizations or agencies for the most up-to-date information and resources related to irrigation in California.

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