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only to serve as a comparative Dseie to judge Around rater quality. Domestic rolls tact • <br />provide driaklaq rater for local residents nre not from aquifers impacted by miainq. <br />Miniaq at Seneca II ie not believed to ba cauainQ tae degradation of any monitored <br />aquifer. <br />Surface Water <br />Table 9 li ate pertinent informntioa oa all NPDES, atraem, and aDriaq monitoring sites at <br />the Seneca II Mine. A complete deecriptioa of the surface rater moaitoriaq DroQrem may De <br />fovad oa PaQae 7.161 to 7-169 of tae Sanaca II Permit ADDliontioa Package. NPD85 <br />Discharge Points 002, 003, 004, and 008 era monitored paekly. Stream Monitoring Sitae 1, <br />], 5, end 6 era monitored monthly from Marcy through October. All of the NPDES and Stream <br />Moaitorlnq 8itas 1, ], 5, end 6 era ea~led three times a year for water quality. Taa <br />first sample of tea year 1e collected prior to peak runoff (March); the second eaapla ie <br />collactad after Deak runoff IMay or June); and the third sample ie collactad during base <br />flow condi tioas (SaDtaIDDar). Samples collactad at all these vitae rare analyzed using tea <br />surface rater long lie t, Table 10 (ADDandix A) . Taa ero stream monitors oa Pleh Creak <br />(Sites 11 and 13) and tae fro oa Pieh Creak tributaries (Sites 10 and 1]), era monitored • <br />monthly from May through September. When ao flox is observed et tae Cor Camp or goad <br />Creek sites (Sites 11 and 131. tae two Pieh Creak sites (Sites 10 and 11) are not <br />monitored. This year, monitoring occurred at these four sites in May, Juae, and July. <br />At tae Seneca II Miae, there are four epriaga Inetivel tact are sampled annually (ia tae <br />spring). Ten spoil epriags era monitored is the eDriag aeaeoa eacD year after tae Qrovad <br />had dried from saowmelt. Ia addition, Spoils Spriaq #1 was monitored for tae 2oag liar <br />concurrently vita Site 6, and was monitored biweekly and concurrently with NPDES 004 for <br />flow end field Darametare from March to Juna. <br />Surface rater quality data era presented is Appendix B. Darn for seta vita begins xita a <br />floc DydrograpD of all historic data (blue as annual hydrograph for NPDES sites), followed <br />by a listing of individual xater quality and quantity data for tae current water year, a <br />TDS ragraeeioa Dlot ueiaQ tea IAWES9 mataod (e ea Oround water Quality sactioa), and than a <br />lietiag of aietorie Darcent millaquivalent values for mayor ioae and TDS values. Czeet <br />stage gage rating curves nre presented is Appendix F. Lab samples nre handled identically <br />to procedures diacuaead previously in the Grovad Water Quality section. Por tae • <br />sake of brevity, tea Drefix twat Drecadee all surf nca rater Bite acmes rill often be <br />S <br />