2014 Bahia Honda State Park Project Plan, Project B BAHIA HONDA STATE PARK WETLAND ENHANCEMENT PLAN, PROJECT B Revised April 13, 2018 Prepared for: U.S. ARMY CORPS OF ENGINEERS Regulatory Division – Jacksonville District P.O. Box 4970 Jacksonville, FL 32232-0019 Prepared by: COASTAL RESOURCES GROUP, INC. Sponsor of: Keys Restoration Fund In-Lieu Fee Program (KRF) 11449 Calhoun Ct. Venice, FL 34293 1 Keys Restoration Fund In-Lieu Fee Bahia Honda State Park Wetland Enhancement Plan, Project B SAJ-2012-02902 IN THE TESTIMONY WHEREOF COASTAL RESOURCES GROUP, INC. has hereunto set their hands this September 19, 2017. Your signature below, as the Sponsor, indicates the following: That you have read, understood, accepted, and agreed to comply with the terms and provisions of the In-Lieu Fee Program Instrument (ILF Instrument), In-Lieu Fee Mitigation Project Plan, and any associated Department of the Army permit for the Bahia Honda State Park Wetland Enhancement Plan, Project B. Coastal Resources Group, Inc. Roy R. Lewis III Typed/Printed Name _______________________________ Signature President Title IN THE TESTIMONY WHEREOF THE U.S. ARMY CORPS OF ENGINEERS has hereunto set their hands this ___________ day of ______________________, 2017. U.S. Army Corps of Engineers Jacksonville District __________________________________________ Typed/Printed Name __________________________________________ Signature __________________________________________ Title 2 TABLE OF CONTENTS: TABLE OF CONTENTS: ----------------------------------------------------------------------------------------------------------------- 4 List of Figures and Tables: ----------------------------------------------------------------------------------------------- 5 I. SITE ENHANCEMENT PLAN --------------------------------------------------------------------------------------------------------- 6 1.1 Project Background ------------------------------------------------------------------------------------------------------ 6 Location: --------------------------------------------------------------------------------------------------------------------- 6 1.2 Objectives ------------------------------------------------------------------------------------------------------------------ 9 Benefits to Ecoregion: ---------------------------------------------------------------------------------------------------- 9 1.3 Site Selection -------------------------------------------------------------------------------------------------------------- 9 1.4 Site Protection Instrument -------------------------------------------------------------------------------------------- 10 1.5 Baseline Information --------------------------------------------------------------------------------------------------- 10 Ecological Characteristics: ---------------------------------------------------------------------------------------------- 10 Plant Communities: ------------------------------------------------------------------------------------------------------ 12 Historic and Existing Hydrology: -------------------------------------------------------------------------------------- 17 Jurisdictional Waters and Soil Conditions: -------------------------------------------------------------------------- 24 1.6 Determination of Credits ---------------------------------------------------------------------------------------------- 26 UMAM: ---------------------------------------------------------------------------------------------------------------------- 26 Location and Landscape Support: ------------------------------------------------------------------------------------ 26 Water Environment: ----------------------------------------------------------------------------------------------------- 26 Vegetation Community: ------------------------------------------------------------------------------------------------- 27 Credit Release Schedule: ------------------------------------------------------------------------------------------------ 27 1.7 Mitigation Work Plan --------------------------------------------------------------------------------------------------- 28 Construction Schedule and Estimated Costs ----------------------------------------------------------------------- 45 1.8 Maintenance Plan ------------------------------------------------------------------------------------------------------- 48 1.9 Performance Standards ------------------------------------------------------------------------------------------------ 48 Hydrology Performance Standards: ---------------------------------------------------------------------------------- 48 Vegetation Performance Standards: --------------------------------------------------------------------------------- 48 1.10 Monitoring Requirements ------------------------------------------------------------------------------------------- 49 1.11 Long Term Management Plan -------------------------------------------------------------------------------------- 50 1.12 Adaptive Management Plan ---------------------------------------------------------------------------------------- 51 Construction Adaptive Management: ------------------------------------------------------------------------------- 51 Monitoring Adaptive Management: --------------------------------------------------------------------------------- 51 1.13 Financial Assurances -------------------------------------------------------------------------------------------------- 52 1.14 Other Information ----------------------------------------------------------------------------------------------------- 52 Historical Resources and Preservation: ------------------------------------------------------------------------------ 52 1.15 Literature Cited -------------------------------------------------------------------------------------------------------- 53 4 LIST OF FIGURES AND TABLES: Figure 1. Bahia Honda State Park Location. -------------------------------------------------------------------------------- 7 Figure 2. Bahia Honda Wetland Restoration Projects Areas A, B and C. -------------------------------------------- 8 Figure 3. Bahia Honda Project Area B. -------------------------------------------------------------------------------------- 8 Figure 4. Bahia Honda State Park Community Types (Monroe County). ------------------------------------------ 14 Figure 5. Project B Community Types and Existing Conditions. ------------------------------------------------------ 15 Figure 6. Bahia Honda Project B Enhanced Conditions. ---------------------------------------------------------------- 16 Figure 7. Bahia Honda Historical Aerial 1955. ---------------------------------------------------------------------------- 20 Figure 8. From Lewis et al. 1994, showing lagoon and areas of Fill within the Project Boundary. ---------- 21 Figure 9. Existing Habitat Types, Conditions and Flow Patterns. ---------------------------------------------------- 22 Figure 10. Blocked Tidal Channel on West Side of Road. -------------------------------------------------------------- 23 Figure 11. Flooding at FA1 with Spoil Mounds in Background. ------------------------------------------------------ 23 Figure 12. Spoil Mound Prohibiting Drainage into Nearby Tidal Creek. ------------------------------------------- 23 Figure 13. Approximate Wetland Line. ------------------------------------------------------------------------------------- 24 Figure 14. NRCS Soil Map, Project B Area of Interest. ------------------------------------------------------------------ 25 Figure 15. Overview of Bahia Honda Project B Enhancement Plan. ------------------------------------------------ 31 Figure 16. Culvert C1 Detail. -------------------------------------------------------------------------------------------------- 32 Figure 17. Culvert C2 and OW1 and OW2 Connection Details. ------------------------------------------------------ 33 Figure 18. Culvert C3 Detail. -------------------------------------------------------------------------------------------------- 34 Figure 19. Detail of FA1 Enhancement Plan. ------------------------------------------------------------------------------ 37 Figure 20. FA2 and FA3 Enhancement Plan Details. -------------------------------------------------------------------- 38 Figure 21. Location of Spoil Mounds SM1 - SM11. --------------------------------------------------------------------- 39 Table 1. Federally and State Listed Endangered (E), Threatened (T) or Species of Special Concern (SSC) that occur or Potentially Occur at Bahia Honda State Park. ---------------------------------------------------------- 11 Table 2. Federally Listed Plant Species that May be Present within Bahia Honda. ----------------------------- 12 Table 3. List of Imperiled Plant Species Identified on Bahia Honda. ------------------------------------------------ 13 Table 4. Bahia Honda State Park Community Types, Area and Condition. ---------------------------------------- 13 Table 5. Expected Restoration Area Results ------------------------------------------------------------------------------ 17 Table 6. UMAM Scoring Table Summary (TEST).------------------------------------------------------------------------- 27 Table 7. Credit Release Schedule (TEST). --------------------------------------------------------------------------------- 28 Table 8. Summary of Spoil Mounds SM1-SM11, Area, Percent Cover of Vegetation and Proposed Actions. ---------------------------------------------------------------------------------------------------------------------------------------