Water Quality

Clean Water Branch (CWB) CWB protects the public health of residents and tourists who enjoy playing in and around Hawaii’s coastal and inland water resources.

Safe Drinking Water Branch (SDWB) This branch is responsible for safeguarding public health by protecting Hawaii’s drinking water sources (surface water and groundwater) from contamination and assures that owners and operators of public water systems provide safe drinking water to the community.

Wastewater Branch (WWB) This branch administers the statewide engineering and financial functions relating to water pollution control, municipal and private wastewater treatment works program, individual wastewater systems program and the water pollution control revolving fund program.