1995 Chlorophyll Summary

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# on Trophic # on Trophic # on Trophic Figure Location Status Figure Location Status Figure Location Status 1 LILY POND * 21 BOONE LAKE M 41 SLACK'S RESERVOIR E 2 CARR (WG) POND O 22 HAWKINS POND M 42 ASA POND E 3 ANNAQUATUCKET MILL P O 23 SILVER LAKE M 43 STAFFORD POND E 4 MISHNOCK LAKE O 24 WORDEN POND M 44 TIOGUE LAKE E 5 SCHOOLHOUSE P-UPPER * 25 QUICKSAND POND M 45 HUNDRED ACRE POND E 6 SPRING LAKE O 26 LOCUSTVILLE POND M 46 RANDALL POND E 7 BEACH POND O 27 SPRING GROVE POND M 47 BARBER POND E 8 QUEEN R AT USQUEPAUGH O 28 FLAT RIVER RESERVOIR M 48 CHAPMAN POND E 9 WHITE POND O 29 WATCHAUG POND M 49 GORTON POND E 10 ALTON POND O 30 SMITH & SAYLES RES M 50 BELLEVILLE P - UPPER E 11 SCHOOLHOUSE P-LOWER * 31 KEECH POND M 51 MELVILLE POND - UPPER E 12 SECRET LAKE O 32 BELLEVILLE P - LOWER M 52 BLUE LAKE (CT) * 13 SAND POND O 33 YAWGOO POND M 53 RWP #4 PLEASURE BRDG H 14 PASQUISETT POND M 34 PASCOAG RESERVOIR M 54 RWP #2 WILLOW LAKE H 15 INDIAN LAKE M 35 LITTLE POND M 55 RWP #7 CUNLIFF LAKE H 16 WASH POND M 36 DEEP POND * 56 SPECTACLE POND H 17 TRUSTOM P - OSPREY M 37 MEADOWBROOK POND M 57 BLACKAMORE POND H 18 LONG (SK) POND M 38 WATERMAN LAKE E 58 WARWICK POND H 19 TRUSTOM POND - OTTER M 39 WINCHECK POND E 59 PRINCE’S POND H 20 WYOMINGH POND M 40 GEORGIAVILLE POND E 60 ALMY POND H See Algae in Aquatic Ecosystems at http://web.uri.edu/watershedwatch/water-quality-factsheets/Algae.pdf to learn more. The Secchi Dipin website (http://www.secchidipin.org) has pages that define trophic states, and provides equations for calculating trophic state index (TSI) values. Cyanobacteria blooms were documented in some of the lakes with chlorophyll concentrations in the eutrophic and hypereutrophic ranges in 2014. See our webpage on cyanobacteria to learn more (http://web.uri.edu/watershedwatch/harmful-algal-blooms-cyanobacteria/). 80 Figure: RANK OF 2014 LAKES BY MEDIAN 75 CHLOROPHYLL TROPHIC STATUS Hypereutrophic - (based on 1 meter concentrations) Very high algae 70 65 60 Eutrophic - Elevated algae 55 50 Mesotrophic - Moderate or 48 49 45 average algae 50 Trophic StateIndex (TSI) Trophic 51 40 52 53 35 54 55 30 56 Oligotrophic Low algae 57 25 58 59 20 60 Location number corresponds to table on previous page .

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