Socio-cultural, legal, and economic forces that affect water resource use. Water quality, Clean Water Act contrasted with international laws, roles of State and Local agencies. Water supply, drought, flooding, drainage, irrigation, storage. Sulfide mining, Line 3, hypoxia, wildfire, climate, snowpack, extreme events, China south-to-north transfer, CEC’s, AIS, Aral Sea, CAFOs, and more.