Demineralization Concentrate Ocean Outfall Feasibility Study Phase 2A: Conceptual Ocean Outfall Evaluation. Appendixes

摘要

The St. Johns River Water Management District's (SJRWMD) 2005 updates to the District Water Supply Plan (DWSP) (SJRWMD 2006) identified a number of alternative strategies to help meet projected 2025 water supply demands of municipal, agricultural, and industrial users. Public and private utilities located in planning areas along the coast have expressed interest in technologies for demineralization treatment technology for potable water production and utilizing ocean outfalls for concentrate disposal. To better define the feasibility of ocean outfall disposal of concentrate, SJRWMD initiated investigations to help utilities understand relevant outfall implementation issues. Under Phase 1 of the feasibility study, the National Oceanic and Atmospheric Administration (NOAA) and CH2M HILL worked together in synthesizing oceanographic information retrieved by NOAA, and consolidating recommendations for Phase 2 feasibility study elements. Prioritized portions of the recommended Phase 2 studies (called Phase 2A) were conducted by CH2M HILL in 2006. The Phase 2A activities included preparation of planning-level conceptual engineering designs and dilution modeling for a range of outfall discharge scenarios that bracket the concentrate, outfall design, and oceanographic conditions that could likely be encountered in northeast and central Florida. This report contains the Appendixes.