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

Site 10 - East Branch Delaware near Arkville - EBDARKVL - IMAGE Gallery Watershed Characteristics - Nutrient Chemistry - Molecular Tracers - Macroinvertebrates

Watershed Land Use/Land Cover Characteristics - Data Methodology Description Latitude(dd): 42.169880 Longitude(dd): -74.611514 Watershed Area: 181.6 km2 ------------------------------------------------------------------------------------------------ West of Hudson Land Use/Cover Map Impervious Agriculture Forest Water Wetland 0.18% 30.29% 69.31% 0.21% 0.95% -------------------------------------------------------------------------------------------------   1990 2000 Total Population 1848 2160 Population Density (ind./km2) 10.18 11.89 -------------------------------------------------------------------------------------------------   2000 2001 2002 # of SPDES Dischargers 1 1 1 Total Annual Volume (normalized for watershed area) 0.01 cm 0.01 cm 0.01 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 01AUG00 1.2223 01AUG00 1.2223 2001 25JUL01 0.3643 25JUL01 0.3643 2002 26JUN02 2.0226 26JUN02 2.0226 Data Table - Methodology   2000 QUAL 2001 QUAL 2002 QUAL pH 7.9   7.7   7.8   ALKL 28   33   25   COND 97   118   89   CA 10   .   .   MG 1.6   1.9   1.5   NA 5.7   7.7   5.1   K 0.6   0.8   0.5   CL 7.5   11   6.1   SO4 6.1   6.4   6   NH4N 0.016   0.017   0.019   NO3N 0.2   0.06   0.1   ORGN 0.1   0.1   0.1   SKN 0.1   0.1   0.1   TKN 0.2   0.2   0.2   SRP 0.02   0.014   0.015   TDP 0.02   0.02   0.019   TP 0.03   0.03   0.03   DOC 1997   2208   2257   BDOC .   632   675   TSS 3.7   1.9   5.3   TSS05 3.2   1.8   3.9   TSS10 0.4   0.2   0.8   TSS20 0.1   0.3 B 0.7   VSS 1.9   0.8   1.6   VSS05 1.7   0.8   1.3   VSS10 0.09   0.07   0.1   VSS20 0.04   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 24JUL00 1.2526 --- --- 2001 25JUL01 0.3643 08FEB01 1.8123 2002 24JUN02 2.6870 04FEB02 7.2910 2003     15JAN03 --- Data Table - Methodology   2000(SB) QUAL 2001(WB) QUAL 2001(SB) QUAL 2002(WB) QUAL 2002(SB) QUAL 2003(WB) QUAL FLU 0.002 E 0.002 HE 0.0018 E 0.001 E 0.003 E 0.0007 E PHE 0.007   0.005 HE 0.007 E 0.003 E 0.007 E 0.005 E ANT 0.0011 E 0.005   0.0018 E 0.0013 E 0.0008 E 0.003 E 2MP 0.006 E 0.002 HE 0.018 E 0.0018 E 0.002 E 0.004 E 1MP 0.003 E 0.0006 HE 0.009 E 0.0007 E 0.0007 E 0.002 E FLR 0.006   0.003 HE 0.012 E 0.002 E 0.008 E 0.004 E PYR 0.004   0.0015   0.04 E 0.002 E 0.004 E 0.003 E BAA 0.006 E 0.0003 HE 0.0017 E 0.0015 E 0.002 E 0.003 E CHR 0.002 E 0.0009 HE 0.0015 E 0.0012 E 0.003 E 0.002 E BBF 0.002   0.0004 HE 0.001 E 0.0018 E 0.003 E 0.002 E BKF 0.002 E 0.0003 HE 0.0005 E 0.0018 E 0.003 E 0.0019 E BAP 0.004   0 NE 0.0005 E 0.0017 E 0.003 E 0.003 E HHCB 0.011   0.008   0.003 E 0.001 E 0.007 E 0.004 E AHTN 0.004 E 0.03 HE 0.006 E 0.003 E 0.011 E 0.01 E CAF 0.009 E 0.006 HE 0.012 E 0.01   0.014 E 0.009 E bCOP 0.08 E 0.02   0.018   0.03   0.04   0.016 E EPI 0.04 E 0.005   0.004   0.006 E 0.014   0.008   CHO 3 E 0.2   0.4 E 0.2   2.1   0.2   aCOP 0.3 E 0.05 HE 0.04 E 0.06   0.2   0.05   aONE 0.1 E 0.008 HE 0.016   0.008   0.03   0.02 E bONE 0.1 E 0.03   0.03   0.04   0.07   0.03   SNOL 0.2 E 0.06   0.018 E 0.09   0.1   0.04     Benthic Macroinvertebrates - Methodology Water Quality Score - WQS Definition