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

Site 5 - West Branch Delaware River near Delhi - WBDELHI - IMAGE Gallery Watershed Characteristics - Nutrient Chemistry - Molecular Tracers - Macroinvertebrates

Watershed Land Use/Land Cover Characteristics - Data Methodology Description Latitude(dd): 42.260172 Longitude(dd): -74.927666 Watershed Area: 372.3 km2 ------------------------------------------------------------------------------------------------ West of Hudson Land Use/Cover Map Impervious Agriculture Forest Water Wetland 0.47% 49.27% 49.53% 0.73% 1.24% -------------------------------------------------------------------------------------------------   1990 2000 Total Population 8322 7953 Population Density (ind./km2) 22.35 21.36 -------------------------------------------------------------------------------------------------   2000 2001 2002 # of SPDES Dischargers 5 5 5 Total Annual Volume (normalized for watershed area) 0.21 cm 0.14 cm 0.16 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 1.2505 24OCT00 2.9252 2001 08AUG01 0.5531 08AUG01 0.5531 2002 13JUN02 8.5997 13JUN02 8.5997 Data Table - Methodology   2000 QUAL 2001 QUAL 2002 QUAL pH 7.9   6.7   7.3   ALKL 34   37   25   COND 126   174   106   CA 14   .   .   MG 2.7   3   2   NA 9.5   13   6.5   K 1.4   1.6   1   CL 16   23   8.8   SO4 8.4   8.9   7.5   NH4N 0.012   0.02   0.016   NO3N 0.9   0.5   0.7   ORGN 0.1   0.2   0.2   SKN 0.1   0.2   0.2   TKN 0.2   0.3   0.3   SRP 0.015   0.005   0.018   TDP 0.02   0.012   0.03   TP 0.03   0.03   0.03   DOC 2309   2161   2820   BDOC .   568   756   TSS 1.6   6.8   7.1   TSS05 1.4   4.9   5.3   TSS10 0.1   1.1   1   TSS20 0.1   1.6   1.7   VSS 0.5   1.8   1.2   VSS05 0.4   1.4   1.3   VSS10 0.03 B 0.2   0.2   VSS20 0.03   0.2   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 25JUL00 1.4813 --- --- 2001 08AUG01 0.5531 --- --- 2002 10JUN02 10.2242 --- --- 2003     --- --- Data Table - Methodology   2000(SB) QUAL 2001(WB) QUAL 2001(SB) QUAL 2002(WB) QUAL 2002(SB) QUAL 2003(WB) QUAL FLU 0.004 E .   0.0011 E .   0.003 E .   PHE 0.008   .   0.004 HE .   0.006 E .   ANT 0.008 E .   0.0007 E .   0.0007 E .   2MP 0.018 E .   0.008 E .   0.002 E .   1MP 0.0009 E .   0.009 HE .   0.006 E .   FLR 0.006   .   0.007 HE .   0.006 E .   PYR 0.005   .   0.004 HE .   0.004 E .   BAA 0.003   .   0.004 HE .   0.003 E .   CHR 0.0016 E .   0.005 HE .   0.002 E .   BBF 0.003 E .   0.004 HE .   0.003 E .   BKF 0.003 E .   0.004 HE .   0.002 E .   BAP 0.004   .   0.002 HE .   0.003 E .   HHCB 0.015   .   0.0011 E .   0.008 E .   AHTN 0.014 E .   0.0016 E .   0.008 E .   CAF 0.003 E .   0.0006 E .   0.01   .   bCOP 0.4 E .   0.009 HE .   0.06   .   EPI 0.3 E .   0.003 HE .   0.018   .   CHO 11 E .   0.6 HE .   0.7   .   aCOP 1.6 E .   0.08 HE .   0.2   .   aONE 0.7 E .   0.009 HE .   0.01   .   bONE 0.6 E .   0.01 HE .   0.08   .   SNOL 1 E .   0.02 HE .   0.09   .     Benthic Macroinvertebrates - Methodology Water Quality Score - WQS Definition