Laserfiche WebLink
Table of Contents <br />EXECUTIVESUMMARY.............................................................................................................III <br />ACRONYMS / ABBREVIATIONS................................................................................................V <br />GLOSSARY.................................................................................................................................VI <br />1 <br />INTRODUCTION............................................................................................................1 <br />1.1 <br />BACKGROUND.............................................................................................................................1 <br />1.2 <br />PROJECT APPROACH................................................................................................................. <br />1 <br />2 <br />METHODS......................................................................................................................3 <br />2.1 <br />SITE DESCRIPTION.....................................................................................................................3 <br />2.2 <br />DATA COLLECTION..................................................................................................................... <br />6 <br />2.2.1 <br />SURVEYS..................................................................................................................................... <br />8 <br />2.2.2 <br />MINOR MAINTENANCE INSPECTIONS......................................................................................9 <br />2.2.3 <br />DESKTOP ANALYSIS OF SEDIMENTATION............................................................................ <br />10 <br />3 <br />RESULTS.....................................................................................................................14 <br />3.1 <br />BASIN ANALYSIS....................................................................................................................... <br />14 <br />3.2 <br />MINOR MAINTENANCE ASSESSMENT.................................................................................... <br />17 <br />4 <br />RECOMMENDATIONS................................................................................................19 <br />4.1 <br />DREDGING................................................................................................................................. <br />19 <br />4.1.1 <br />PRIORITIZATION........................................................................................................................19 <br />4.1.2 <br />DREDGING COST ESTIMATES.................................................................................................22 <br />4.1.3 <br />SEDIMENT SAMPLING RECOMMENDATIONS........................................................................23 <br />4.2 <br />UPLAND VEGETATION ASSESSMENT AND RESTORATION ................................................ <br />25 <br />4.3 <br />WATER QUALITY ASSESSMENT AND RESTORATION.......................................................... <br />25 <br />4.4 <br />PERMITTING..............................................................................................................................26 <br />4.5 <br />ADDITIONAL RECOMMENDATIONS........................................................................................ <br />27 <br />4.6 <br />10-YEAR DREDGING PLAN.......................................................................................................28 <br />4.7 <br />10-YEAR IMPLEMENTATION PLAN.......................................................................................... <br />30 <br />5 REFERENCES............................................................................................................. 32 <br />LIST OF TABLES <br />Table2.1 Stormwater Basins........................................................................................................................4 <br />Table 2.2 Stormwater Basins and Associated Data Collection.....................................................................7 <br />Table 3.1 Summary of Wet Sedimentation Basin Analysis.........................................................................15 <br />Table 3.2 Basin Sedimentation Accumulation Rate and Estimated Cleanout Year...................................17 <br />Table 4.1 Dredging and Sediment Delta Priority........................................................................................20 <br />Table 4.2 Planning Level Dredging Cost Estimates...................................................................................22 <br />Table 4.3 Sediment Sampling for High and Medium Priority Ponds...........................................................24 <br />Table 4.4 10-Year Dredging Plan by Pond.................................................................................................29 <br />Table 4.5 Implementation Plan by Year......................................................................................................31 <br />LIST OF FIGURES <br />Figure 2.1 Mounds View Pond Study.. <br />Figure 2.2 Stormwater Basin Fish Net <br />0 <br />......................................................................... 5 <br />......................................................................... 9 <br />i <br />