Chapter 4 Surface Water Supply and Management
This chapter discusses how and when surface water supplies are delivered to water users, the management of surface water, and how the EWA would benefit and/or affect water users in areas where EWA actions would take place. Section 4.1 below discusses existing water supplies, including source and management, for agencies that could take part in the EWA. Additionally, associated waterways or agencies not participating in the EWA, but which could be affected by program actions, are described. Section 4.2 analyzes effects of the No Action/No Project, Flexible Purchase, and Fixed Purchase Alternatives. Also included in Section 4.2 are a cumulative effects discussion and a comparative analysis of the alternatives. 4.1 Affected Environment/Existing Conditions 4.1.1 Area of Analysis The evaluation of potential effects on surface water supply and management from the implementation of the EWA includes water users in the following area of analysis (Figure 4-1):