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

Site 4 - Little Delaware River near Delhi - WBDLDELA - IMAGE Gallery Watershed Characteristics - Nutrient Chemistry - Molecular Tracers - Macroinvertebrates

Watershed Land Use/Land Cover Characteristics - Data Methodology Description Latitude(dd): 42.259438 Longitude(dd): -74.928044 Watershed Area: 135.4 km2 ------------------------------------------------------------------------------------------------ West of Hudson Land Use/Cover Map Impervious Agriculture Forest Water Wetland 0.01% 31.10% 68.18% 0.71% 0.73% -------------------------------------------------------------------------------------------------   1990 2000 Total Population 834 951 Population Density (ind./km2) 6.16 7.02 -------------------------------------------------------------------------------------------------   2000 2001 2002 # of SPDES Dischargers 0 0 0 Total Annual Volume (normalized for watershed area) 0 cm 0 cm 0 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 06SEP00 0.4547 06SEP00 0.4547 2001 08AUG01 0.2011 08AUG01 0.2011 2002 13JUN02 3.1271 13JUN02 3.1271 Data Table - Methodology   2000 QUAL 2001 QUAL 2002 QUAL pH 8.9   8.6   8   ALKL 29   28   20   COND 85   106   69   CA 9.7   .   .   MG 2.3   2.2   1.7   NA 5.4   6.6   3.3   K 0.9   1.1   0.5   CL 6   9.8   3.7   SO4 6.5   6.6   5.4   NH4N 0.016   0.02   0.016   NO3N 0.09   0.06   0.2   ORGN 0.06   0.1   0.1   SKN 0.07 B 0.1   0.2   TKN 0.2   0.2   0.2   SRP 0.012   0.009   0.011   TDP 0.014   0.015   0.011   TP 0.018   0.019   0.016   DOC 1733   1496   2133   BDOC .   360   390   TSS 0.8 B 2.3   3.6   TSS05 0.6 B 2.2   2.5   TSS10 0.015 B 0.2   0.5   TSS20 0.1   0.5   1.4   VSS 0.4   0.9   1.1   VSS05 0.4   0.8   0.7   VSS10 0.0017 B 0.07   0.1   VSS20 0.04   0.1   0.4   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 25JUL00 0.5386 --- --- 2001 08AUG01 0.2011 --- --- 2002 10JUN02 3.7178 --- --- 2003     --- --- Data Table - Methodology   2000(SB) QUAL 2001(WB) QUAL 2001(SB) QUAL 2002(WB) QUAL 2002(SB) QUAL 2003(WB) QUAL FLU 0.0008 E .   0.0004 HE .   0.0011 E .   PHE 0.006 E .   0.0011 HE .   0.003 E .   ANT 0.0012 E .   0.00014 HE .   0.0007 E .   2MP 0.011 E .   0.0005 HE .   0.002 E .   1MP 0.0005 E .   0.00013 HE .   0.012 E .   FLR 0.003 E .   0.0008 HE .   0.003 E .   PYR 0.0013 E .   0.0004 HE .   0.0014 E .   BAA 0.007 E .   0.005   .   0.0008 E .   CHR 0.005 E .   0.0004 HE .   0.0008 E .   BBF 0.0005 E .   0.00018 HE .   0.0011 E .   BKF 0.0004 E .   0.0002 HE .   0.0011 E .   BAP 0.0004 E .   0.016   .   0.0015 E .   HHCB 0.009   .   0.0018 HE .   0.005 E .   AHTN 0.01 E .   0.003 HE .   0.006 E .   CAF 0.01 E .   0.0008 HE .   0.014   .   bCOP 0.03 E .   0.008 HE .   0.03   .   EPI 0.007 E .   0.0019 HE .   0.008   .   CHO 0.8 E .   0.6   .   0.3   .   aCOP 0.2 E .   0.1   .   0.1   .   aONE 0.01 E .   0.02   .   0.005 E .   bONE 0.05 E .   0.014   .   0.05 E .   SNOL 0.08 E .   0.02   .   0.06   .     Benthic Macroinvertebrates - Methodology Water Quality Score - WQS Definition