Groundwater: California’s Vital Resource Hmong From the Department of Water Resources. Hmong,Introductory Videos 2 views You may also like 10:42 San Joaquin Valley Water and Land Use Series- Part 1.1 Introduction to the New Groundwater Law 27 views Introductory Videos This video is an introduction to the new groundwater law, Sustainable Groundwater Management Act (SGMA). It goes over why SGMA passed, what it aims to achieve, and the six "sins" of SGMA to avoid. «1…456Page 6 of 6