Which governmental body is responsible for overseeing water-related issues in California?

The State Water Resources Control Board is the correct answer because it serves as the primary regulatory agency overseeing California's water rights, water quality, and water allocations. This body is instrumental in implementing the laws and policies surrounding water management within the state, addressing not only surface and groundwater quality but also managing drought conditions and ensuring equitable distribution of water resources.

The State Water Resources Control Board develops water regulations, determines water allocation rights, and manages statewide programs to protect water quality, which all play crucial roles in addressing California's complex water issues. Its functions support the state's overall water management strategy and ensure compliance with both state and federal water laws.

While the California Department of Water Resources, the California Environmental Protection Agency, and the California Water Commission also engage in significant water-related activities, their roles are more specialized. For instance, the Department of Water Resources manages the state's water supply and infrastructure, the Environmental Protection Agency focuses on environmental regulation and protection, and the Water Commission oversees state water policy and financial assistance programs. However, the overarching authority and primary oversight for water-related issues reside with the State Water Resources Control Board.