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<br />Lake Water Quality Database <br /> <br />Page 2 of 2 <br /> <br />()l~lli~llllitj;r. <br /> <br />\11'MII.n~' hk <br /> <br />HY11I1n''lIrJ:1'1ir. <br /> <br />f:llU1lphir. <br /> <br />Trophic <br />St;J.t;e [Jldex <br /> <br /> <br />l'r;msp.l1rRl'll"'j <br />i.m} <br /> <br />CblDt"oph)'ll-il <br />(ppb:1 <br /> <br />TIJ'tll <br />Phosphor-us <br />(pph) <br /> <br />-Trtlllsp'tr(mc)' -Chlorophyll.,/ -Total Phosphorus <br /> <br />See the difference! Oligotrophic vs Hvpereutropic <br /> <br />Carlson's Trophc State Index <br />based on TP= I 4.42 IN (TP)+4.15: <br /> <br />Carlson's trophic state index <br />based on CHLA = 9.81 In (CHLA)+ 30.6: <br /> <br />Carlson's trophc state index <br />based on SDM = 60 - 14.41 In (SDM): <br /> <br />A verage of all available index <br />values: <br /> <br />trophic status alpha: <br /> <br />67 <br /> <br />67 <br /> <br />Learn about the <br />Carlson's Trophic <br />State Index and <br />how <br />these values are <br />determined_ <br /> <br />65 <br /> <br />66 <br /> <br />H <br /> <br />Lake Quality Ranking Information available <br />Percentile rank: of TP concentration for that ecoregion: 35 <br />Percentile rank: of CHLA for that ecoregion: 28 <br />Percentile ranking of TSI value based on all lakes in ecoregion: <br />23 <br />List of rankings for the North Central Hardwood Forest <br />ecoregion. <br /> <br />--- <br />8 <br />~ <br />I Search I Index I GlOSSary I Ask MPCA I Home I <br /> <br />If you have suggestions on how we can improve our service to you, please drop us anate. <br />If you have questions or problems, contact webmaster@pca.state.mn_us <br />For more information about Minnesota, visit the Northstar Web site_ <br />MPCA, 520 Lafayette Road. St. Paul, MN 55155-4194 <br />Phone: 651-296-6300, 800-657-3864; 24-houremergency number: 651-649-5451 or 800-422-0798 <br />TrY: 651-282-5332, TrY 24-hour emergency number: 651-297-5353 or 800-627-3529 <br /> <br />httn'II..1>::tt'l rv''l C'tgtp mn 1lC'1,.....,.i_hin/l1-ulf,OQpp'lllHnll nl')rpr-lil 1 <br /> <br />Qrl/()l <br /> <br />I <br /> <br />J <br />I <br /> <br />I <br /> <br />I <br />I <br /> <br />I <br /> <br />I <br /> <br />I <br /> <br />. <br /> <br />I <br /> <br />I <br />I <br /> <br />I <br /> <br />I <br /> <br />I <br /> <br /> <br />I <br />