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FIGURE 3-12 Upland pine trees on the east side of Loxahatchee Slough that are now stressed, according to SFWMD staff, because of increased water levels after the construction of the G-160 control structure.

SOURCE: L. Gerry, SFWMD, personal communication, 2012.

phosphorus reduction. The STA will be constructed in two phases (STA North and STA South). Phase I includes 925 acres of effective treatment area at a $31M construction cost and was completed in April 2012; Phase II includes 790 acres of effective treatment area at a $42M construction cost (L. Gerry, SFWMD, personal communication, 2012).

Pilot Projects

Pilot projects are important components of the CERP, enabling scientists and engineers to test the capacity of new technologies or approaches and to refine future project design. Although the pilot projects themselves are not expected to lead directly to natural system restoration, the learning that they generate has great value and can be used to improve the design of the full-scale projects. Ultimately, the objective of the pilot projects is to improve the likelihood that the full-scale projects meet their restoration objectives while possibly also making them more cost-effective. Three of the four projects discussed in this section have direct bearing on the planning for Generation 2 or 3 CERP projects.

Aquifer Storage and Recovery Pilot Studies and Regional Study

Aquifer storage and recovery (ASR) was originally conceived as a major water storage component of the CERP, intended to store 1.7 billion gallons per



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