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

Site 47 - Titicus River near Purdys Station - TTCPURDY - IMAGE Gallery Watershed Characteristics - Nutrient Chemistry - Molecular Tracers - Macroinvertebrates

Watershed Land Use/Land Cover Characteristics - Data Methodology Description Latitude(dd): 41.327014 Longitude(dd): -73.655407 Watershed Area: 63.9 km2 ------------------------------------------------------------------------------------------------ East of Hudson Land Use/Cover Map Impervious Agriculture Forest Water Wetland 10.63% 13.26% 69.68% 5.83% 8.06% -------------------------------------------------------------------------------------------------   1990 2000 Total Population 7398 8754 Population Density (ind./km2) 115.76 136.97 -------------------------------------------------------------------------------------------------   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 12SEP00 0.1071 12SEP00 0.1071 2001 05SEP01 0.0601 05SEP01 0.0601 2002 31JUL02 0.0536 31JUL02 0.0536 Data Table - Methodology   2000 QUAL 2001 QUAL 2002 QUAL pH 7.5   7.7   7.5   ALKL 64   70   75   COND 243   259   281   CA 22   .   .   MG 7.3   7.5   8.3   NA 13   16   16   K 1.8   2.1   2.3   CL 26   31   35   SO4 11   9.6   11   NH4N 0.1   0.08   0.04   NO3N 0.1   0.3   0.2   ORGN 0.2   0.2   0.2   SKN 0.4   0.3   0.3   TKN 0.4   0.3   0.3   SRP 0.03   0.003   0.002 B TDP 0.03   0.004 B 0.005 B TP 0.07   0.02   0.01   DOC 3924   3095   3766   BDOC .   142   481   TSS 2   2.7   2.6   TSS05 1.4   2   2.6   TSS10 0.06 B 0.4   0.2 B TSS20 0.5   0.9   0.6   VSS 0.8   1.3   0.9   VSS05 0.6   1   0.7   VSS10 0.019 B 0.2   0.05 B VSS20 0.2   0.2   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 12OCT00 0.1159 2001 06SEP01 0.0564 --- --- 2002 29JUL02 0.1059 --- --- 2003     --- --- 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 .   0.0007 HE .   0.005 E .   PHE 0.006 HE .   0.0019 HE .   0.019   .   ANT 0.0012 HE .   0.0009 HE .   0.004 E .   2MP 0.0016 HE .   0.01 HE .   0.003 E .   1MP 0.004 HE .   0.001 HE .   0.001 E .   FLR 0.009   .   0.002 HE .   0.013 E .   PYR 0.006   .   0.0013 HE .   0.009 E .   BAA 0.004 HE .   0.0002 HE .   0.004   .   CHR 0.0019 HE .   0.0003 HE .   0.005   .   BBF 0.003 HE .   0.0003 HE .   0.005 E .   BKF 0.002 HE .   0.0002 HE .   0.004 E .   BAP 0.003   .   0.0003 HE .   0.004 E .   HHCB 0.009   .   0.004 HE .   0.004 E .   AHTN 0.018 HE .   0.004 HE .   0.005 E .   CAF 0.002 HE .   0.0018 HE .   0.009 E .   bCOP 0.02   .   0.005 HE .   0.004 E .   EPI 0.014   .   0.003 HE .   0.003 E .   CHO 0.5   .   0.3   .   0.4   .   aCOP 0.1   .   0.04   .   0.04   .   aONE 0.019   .   0.006 HE .   0.012 E .   bONE 0.04   .   0.005 HE .   0.03 E .   SNOL 0.04   .   0.02   .   0.05   .     Benthic Macroinvertebrates - Methodology Water Quality Score - WQS Definition