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BEAR CREEK FLOW INFORMATION <br />Date Site B-2 Site B-3 <br />June 10, 2003 <br />0.25 cfs <br />0.21 cfs <br />June 16, 2003 <br />0.097 cfs <br />0.088 cfs <br />June 15, 2004 <br />0.02 cfs <br />0.041 cfs <br />June 22, 2004 <br />0.0 cfs <br />0.0174 cfs <br />June 15, 2005 <br />1.036 cfs <br />1.085 cfs <br />June 30, 2005 <br />0.39 cfs <br />0.13 cfs <br />June 7, 2006 <br />0.047 cfs <br />0.033 cfs <br />June 13, 2006 <br />Trace flow <br />Trace flow <br />June 15, 2007 <br />0.21 cfs <br />0.34 cfs <br />June 28, 2007 <br />Trace flow <br />Trace flow <br />June 18, 2008 <br />1.29.cfs <br />0.72 cfs <br />June 25, 2008 <br />0.49 cfs <br />0.67 cfs <br />June 17, 2009 <br />0.55 cfs <br />0.46 cfs <br />June 25, 2009 <br />0.65 cfs <br />0.63 cfs <br />June 4, 2010 <br />3.3 cfs <br />1.5 cfs <br />June 11, 2010 <br />0.67 cfs <br />0.67 cfs <br />June 14, 2011 <br />2.3 cfs <br />1.85 cfs <br />June 28, 2011 <br />1.35 cfs <br />1.92 cfs <br />June 8, 2012 <br />0.0 cfs <br />0.0 cfs <br />June 13, 2012 <br />0.0 cfs <br />0.0 cfs <br />June 3, 2013 <br />0.257 cfs <br />0.22 cfs <br />June 24, 2013 <br />0.0 cfs <br />0.0 cfs <br />June 12, 2014 <br />0.5 cfs <br />0.63 cfs <br />June 17, 2014 <br />0.42 cfs <br />0.12 cfs <br />June 16, 2015 <br />0.3 cfs <br />0.62 cfs <br />June 24, 2015 <br />0.13 cfs <br />0.13 cfs <br />June 10,2016 <br />0.23 cfs <br />0.18 cfs <br />June 23, 2016 <br />0.0 cfs <br />0.0 cfs <br />June 6, 2017 <br />1.2 cfs <br />1.4 cfs <br />June 13, 2017 <br />0.65 cfs <br />0.74 cfs <br />The information is collected in order to aid in analyzing 1) potential water depletions and 2) <br />potential for injury to any Bear Creek water rights. Bear Creek stream flows ceased during the <br />usual mid to late June timeframe. A spike in 2011 total iron levels appeared tied to TSS and <br />seemed "normal" in 2014. A spike in 2012 chloride level occurred for no apparent reason. Some <br />2009, 2010 and 2011 reduced levels of sodium, calcium, conductivity, TDS, and bicarbonate <br />alkalinity appeared to remain at historic levels. The orthophosphate spike remains under the <br />minimal 0.09 mg/l level. Here the importance in the role of the scale of the Y axis seems to <br />predominate. Analysis of the 2017 data, as well as subsidence monitoring and observations in the <br />field, suggests no significant anomalies or any indication of adverse effects attributable to mining <br />activities. <br />8 <br />