7077-R2_NewGloucester_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

iii

97