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

Site 31 - West Patterson Creek near Patterson - WBDWTPAT - IMAGE Gallery Watershed Characteristics - Nutrient Chemistry - Molecular Tracers - Macroinvertebrates

Watershed Land Use/Land Cover Characteristics - Data Methodology Description Latitude(dd): 41.511920 Longitude(dd): -73.622452 Watershed Area: 11.0 km2 ------------------------------------------------------------------------------------------------ East of Hudson Land Use/Cover Map Impervious Agriculture Forest Water Wetland 1.86% 4.52% 89.49% 1.37% 5.24% -------------------------------------------------------------------------------------------------   1990 2000 Total Population 711 939 Population Density (ind./km2) 64.72 85.46 -------------------------------------------------------------------------------------------------   2000 2001 2002 # of SPDES Dischargers 0 0 0 Total Annual Volume (normalized for watershed area) 0.00 cm 0.00 cm 0.00 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 21AUG00 0.0458 21AUG00 0.0458 2001 21AUG01 0.0249 21AUG01 0.0249 2002 16JUL02 0.0066 16JUL02 0.0066 Data Table - Methodology   2000 QUAL 2001 QUAL 2002 QUAL pH 8.2   8.2   8   ALKL 81   96   82   COND 263   360   316   CA 26   .   .   MG 6.8   9.1   7.7   NA 17   24   22   K 2.8   3.1   2.3   CL 28   47   42   SO4 9.4   14   8.9   NH4N 0.008 B 0.007 B 0.008 B NO3N 0.2   0.4   0.3   ORGN 0.2   0.2   0.2   SKN 0.2   0.2   0.2   TKN 0.2   0.2   0.2   SRP 0.02   0.014   0.013   TDP 0.03   0.018   0.015   TP 0.017   0.02   0.015   DOC 5389   2686   2959   BDOC .   41   178   TSS 13   1.1 B 1.5   TSS05 11   0.5   0.8   TSS10 1.7   0.2   0.2   TSS20 0.3   0.3 B 0.6   VSS 3.9   0.4   0.6   VSS05 3.2   0.3 B 0.4   VSS10 0.6   0.09   0.08   VSS20 0.09   0.1 B 0.2     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 0.0458 2001 22AUG00 0.0227 --- --- 2002 15JUL02 0.0086 --- --- 2003     --- --- Data Table - Methodology   2000(SB) QUAL 2001(WB) QUAL 2001(SB) QUAL 2002(WB) QUAL 2002(SB) QUAL 2003(WB) QUAL FLU 0.0007 E .   0.0007 E .   0.0015 E .   PHE 0.003 E .   0.002 E .   0.014 E .   ANT 0.0018 E .   0.0014 E .   0.003 E .   2MP 0 NE .   0.0006 E .   0.004 E .   1MP 0 E .   0.0002 E .   0.003 E .   FLR 0.002   .   0.002 E .   0.03   .   PYR 0.0016 E .   0.0013 E .   0.03 E .   BAA 0 NE .   0.0005 E .   0.02   .   CHR 0 NE .   0.0005 E .   0.019   .   BBF 0 NE .   0.0006 E .   0.018   .   BKF 0.0006 E .   0.0005 E .   0.019   .   BAP 0.002 E .   0.0006 E .   0.02   .   HHCB 0.003   .   0.0014 E .   0.004 E .   AHTN 0 NE .   0.003 E .   0.005 E .   CAF 0.008 E .   0.008   .   0.014   .   bCOP 0.1 E .   0.003 E .   0.013 E .   EPI 0.02 E .   0.0003 E .   0.005   .   CHO 1.5 E .   0.3   .   0.5   .   aCOP 0.3 E .   0.03   .   0.07   .   aONE 0.04 E .   0.007 E .   0.015   .   bONE 0.07 E .   0.006   .   0.03   .   SNOL 0.2 E .   0.018   .   0.05   .     Benthic Macroinvertebrates - Methodology Water Quality Score - WQS Definition