7077-R2_NewGloucester_2018-2019_AnnualReport_Web

SABBATHDAY LAKE | 2018 Water Quality Report

TABLE OF CONTENTS BACKGROUND ................................................................................................................................................................1 METHODS .........................................................................................................................................................................2 RESULTS .............................................................................................................................................................................3 Weather .......................................................................................................................................................................... 3 Trophic State Indicators ...........................................................................................................................................3 Water Clarity .............................................................................................................................................................3 Total Phosphorus ....................................................................................................................................................3 Chlorophyll-a ............................................................................................................................................................ 4 Dissolved Oxygen & Temperature .......................................................................................................................5 Chemical Parameters ................................................................................................................................................. 5 Color ............................................................................................................................................................................5 Alkalinity ..................................................................................................................................................................... 5 pH .................................................................................................................................................................................6 SUMMARY.........................................................................................................................................................................6 RECOMMENDATIONS ..................................................................................................................................................7 Ways To Protect The Lake .......................................................................................................................................7 REFERENCES .....................................................................................................................................................................8 APPENDIX A | DEPTH MAPS .......................................................................................................................................9

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