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Table 2-8 Impaired Waters within the LRRWMO <br />IIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIII IIIIIIIIIIIIIII 1111111111, 11111111 I 1111 IIIIIIIIIIIIIIIIIIIII III IIIIIIIIIIIIIIIIIIIIIIIIII I I 111111 IIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIII IIIIIIIII IIIIIIIIIIIIIIIII IIIIIIIIIIIIIIIIIIIIIII III <br />Cedar Creek <br />Aquatic <br />Recreation <br />, rl <br />E. Coli <br />2016 <br />111111111111111101111111111111111111111111111111II <br />(IIIIIIIIIIIIIII it Illll <br />I1UL <br />IIIIII <br />2018 <br />0000000'ool'00000000 <br />Trott Brook <br />Aquatic Life <br />Dissolved Oxygen <br />2016 <br />20171 <br />Fishes bioassessments, <br />2016 <br />2027 <br />Invertebrate <br />bioassessments <br />2016 <br />2027 <br />Rum River <br />Aquatic Life <br />Mercury in fish tissue <br />1998 <br />20071 <br />Mississippi River <br />Aquatic <br />Consumption <br />Mercury in fish tissue <br />1998 <br />20071 <br />PCB in fish tissue <br />2002 <br />2020 <br />Aquatic Life <br />Nutrients/ <br />Eutrophication <br />2016 <br />2018 <br />Aquatic <br />Recreation <br />Fecal coliform <br />2006 <br />2024 <br />Source: 2020 (draft) MPCA Impaired Waters 303(d) List. <br />PCB = Polychlorinated Biphenyl <br />(1) Addressed by the Final Rum River Watershed Total Maximum Daily Load (MPCA, 2017) <br />(2) Addressed by the Minnesota Statewide Mercury Total Maximum Daily Load (MPCA, 2007, as revised) <br />Table 2-9 State water quality standards applicable to LRRWMO Priority Waterbodies <br />Shallow Lake <br />11111111111111111111111 <br />Round Lake, <br />Grass (Sunfish) Lake <br />Rogers Lake <br />000 <br />< 60 <br />III IIIIIIIIIIIIIII11110111111111111111111111111101111110110 111111411111.111111I (IIII IIIIIIIIIIII IIII III III II II <br />III II i illlll l iiiiiiiiii <br />(IIIIIIIII <br />�I I Illll'' � <br />III I �II m ilia 11 <br />�� <br />000iloo oo.III III (IIIIIIIIIIIIIII II IIIIII pp� <br />III III <br />111111111 illy"IiIIIIIIIII <br />< 20 <br />> 1.0 <br />230 <br />11100000 u <br />Deep Lake <br />None <br />< 40 <br /><14 <br />> 1.4 <br />230 <br />Central <br />Region River <br />Rum River <br /><100 <br />230 <br /><30 <br />Source: innesota'Liles 7050 for NCHF eco-region; note that water quality standards for additional parameters are <br />also applicable to District water resources <br />(1) Standards for total phosphorus, chlorophyll -a, and Secchi Disk Depth are summer average (June — <br />September) <br />(2) The 230 mg/L chloride standard is the chronic standard, where two or more exceedances within a three year <br />period are considered an impairment (as opposed to the acute standard which deems one exceedance over <br />860 an impairment). <br />2-32 <br />