6210_NewGloucester_2017-2018_AnnualReport_Web

SABBATHDAY LAKE | 2017 Water Quality Report

TABLE OF CONTENTS BACKGROUND .................................................................................................................................1 METHODS .........................................................................................................................................2 RESULTS............................................................................................................................................3 Weather .......................................................................................................................................................................... 3 Trophic State Indicators ...........................................................................................................................................3 Water Clarity .............................................................................................................................................................3 Total Phosphorus ....................................................................................................................................................4 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 .......................................................................................................................................8 REFERENCES .....................................................................................................................................8 APPENDIX A | DEPTH MAPS ..........................................................................................................9

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