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Pre-October, 1997 Hydrologic Monitoring Program <br />Seneca (I-Y (June, 1987-October, 1991) <br />Monitor in9 frequency by Site <br />Surf eee Water <br />Site Number <br />Discharge <br />Water Quality <br />5W-S2W-FG1 Continuous Monthly/Triannually <br />SW-S2L-FG2 Continuous Monthly/iriannually <br />NPDES 006 Continuous (see NPDES Permit <br />No. CO-0000227 <br />requirements) <br />SN-S2N-SGS Nonthly Nonthly/Triannually <br />SY•52W-SG7 Monthly Monthly/Triannually <br />SY-S2W-SC8 Monthly Monthly/Triannually <br />Continuous = All months (daily) except December-March <br />Monthly = All months except December-March end consisted of field parameters only (pH, <br />temperature, end conductivity) <br />' Triannually meant that water quality samples analyzed according to the surface water long <br />list were collected three times a year at a site, and the activities were timed to toilet[ <br />date representing key hydrologic events such es pre-snowmelt peak, retesaion, and besef low. <br />NOTE: For those surface water monitoring sites located on ephemeral or intermittent <br />channels, monitoring frequencies were complied with providing there was sufficient <br />flow to monitor. <br />SDrinea <br />Site Number <br />Discharge <br />S-1 Semiannual <br />5-S Semiannual <br />S-7 Semiannual <br />5-23 Semiannual <br />5-61 Semiannual <br />5-65 Semiannual <br />Water samples analyzed according to Surface Water Parameter List <br />Semiannual = April-June, September-November <br />Pater Ouelity <br />Semiannual <br />Semiannual <br />Semiannual <br />Semiannual <br />Semiannual <br />Semiannual <br /> <br /> <br />75-2.2 <br />Revised 10/07/93 <br />