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Water Quality Monitoring in the Source Water Areas for NYC PHASE I Monitoring Sites

Site 43 - Secor Brook at West Mahopac - MUSSECOR - IMAGE Gallery Watershed Characteristics - Nutrient Chemistry - Molecular Tracers - Macroinvertebrates

Watershed Land Use/Land Cover Characteristics - Data Methodology Description Latitude(dd): 41.370157 Longitude(dd): -73.784534 Watershed Area: 6.8 km2 ------------------------------------------------------------------------------------------------ East of Hudson Land Use/Cover Map Impervious Agriculture Forest Water Wetland 14.14% 9.68% 69.23% 3.73% 11.32% -------------------------------------------------------------------------------------------------   1990 2000 Total Population 2448 3160 Population Density (ind./km2) 358.45 462.72 -------------------------------------------------------------------------------------------------   2000 2001 2002 # of SPDES Dischargers 1 1 1 Total Annual Volume (normalized for watershed area) 2.81 cm 2.88 cm 3.54 cm Ions, Nutrients, DOC/BDOC, and Particulates - click here for abbreviations/units Sampling Dates and Discharge (Q) - Realtime Flow Monitoring   Ions/Nutr & DOC/BDOC Organic Particles Date Q - m3/s Date Q - m3/s 2000 22AUG00 0.0235 22AUG00 0.0235 2001 23AUG01 0.0121 23AUG01 0.0121 2002 14AUG02 0.0063 14AUG02 0.0063 Data Table - Methodology   2000 QUAL 2001 QUAL 2002 QUAL pH 7.3   7   7.1   ALKL 67   74   101   COND 333   875   702   CA 27   .   .   MG 8.5   19   16   NA 29   74   53   K 3.6   14   12   CL 5.5   151   109   SO4 14   77   46   NH4N 0.1   0.06   0.8   NO3N 1.9   12   6.3   ORGN 0.6   0.5   1   SKN 0.7   0.5   1.7   TKN 0.8   0.9   2.1   SRP 0.1   0.07   0.04   TDP 0.1   0.08   0.05   TP 0.2   0.4   0.4   DOC 7213   4451   5988   BDOC .   365   1040   TSS 44   15   13   TSS05 41   7.6   .   TSS10 2.7   0.4   .   TSS20 0.2   0.9   .   VSS 13   4.8   6.6   VSS05 12   2.4   .   VSS10 1   0.2   .   VSS20 0.07   0.3   .     Molecular Tracer Analysis - click here for abbreviations/units Sampling Dates and Discharges (Q) - Realtime Flow Monitoring   Summer Baseflow Winter Baseflow Date Q - m3/s Date Q - m3/s 2000 21AUG00 0.0284 2001 24AUG01 0.0130 08MAR01 0.1478 2002 12AUG02 0.0049 21FEB02 0.0386 2003     12FEB03 . Data Table - Methodology   2000(SB) QUAL 2001(WB) QUAL 2001(SB) QUAL 2002(WB) QUAL 2002(SB) QUAL 2003(WB) QUAL FLU 0.003 HE 0.0011 HE 0.003 HE 0.01 E 0.007 E 0.04   PHE 0.009 HE 0.004 HE 0.016 HE 0.015 E 0.04 E 0.05 E ANT 0.0009 HE 0.0009 HE 0.03 HE 0.002 E 0.008 E 0.015 E 2MP 0 NE 0.013 HE 0.02 HE 0.008 E 0.04 E 0.02 E 1MP 0.003 HE 0.002   0.002 HE 0.0015 E 0.012 E 0.014 E FLR 0.006   0.004 HE 0.03   0.014 E 0.012 E 0.03   PYR 0.0009 HE 0.004   0.01 HE 0.01 E 0.07   0.02 E BAA 0.008 HE 0.0018 HE 0.007 HE 0.008   0.03   0.014   CHR 0.003   0.0015 HE 0.0002 HE 0.008 E 0.04 E 0.014 E BBF 0 NE 0.003   0.004 HE 0.007 E 0.04   0.03   BKF 0.003   0.002   0.002 HE 0.004 E 0.04   0.013 E BAP 0.006   0.002 HE 0.003 E 0.0014 E 0.04   0.02   HHCB 0.8   0.09   4.2   0.0015 E 2.3   0.5   AHTN 0.5   0.05   1.9   0.007 E 0.9   0.2   CAF 0.09 HE 0.03 HE 0.0004 HE 0.008 E 0.5   0.2 E bCOP 0.6 HE 0.08   0.4   0.06   1.4   0.1   EPI 0.05 HE 0.009   0.03   0.03   0.1   0.014   CHO 1.2 HE 0.6   0.7   1.5   1.6   0.5   aCOP 0.3 HE 0.07   0.07   0.3   0.4   0.1   aONE 0.07 HE 0.014 HE 0.01   0.08 E 0.1   0.03   bONE 0.4 HE 0.03   0.06   0.1   0.4   0.07   SNOL 0.2 HE 0.06 HE 0.02   0.2   0.3   0.1     Benthic Macroinvertebrates - Methodology Water Quality Score - WQS Definition