Return to WOH Site Map

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

Site 8 - West Branch Delaware near Walton - WBDWALTN - IMAGE Gallery Watershed Characteristics - Nutrient Chemistry - Molecular Tracers - Macroinvertebrates

Watershed Land Use/Land Cover Characteristics - Data Methodology Description Latitude(dd): 42.150651 Longitude(dd): -75.165521 Watershed Area: 878.6 km2 ------------------------------------------------------------------------------------------------ West of Hudson Land Use/Cover Map Impervious Agriculture Forest Water Wetland 0.66% 42.50% 55.96% 0.87% 1.05% -------------------------------------------------------------------------------------------------   1990 2000 Total Population 16352 16033 Population Density (ind./km2) 18.61 18.25 -------------------------------------------------------------------------------------------------   2000 2001 2002 # of SPDES Dischargers 8 8 8 Total Annual Volume (normalized for watershed area) 0.44 cm 0.35 cm 0.37 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 2.9505 06SEP00 2.9505 2001 09AUG01 1.1965 09AUG01 1.1965 2002 14JUN02 19.0709 27JUN02 14.1131 Data Table - Methodology   2000 QUAL 2001 QUAL 2002 QUAL pH 8.1   7.2   7.7   ALKL 33   37   26   COND 125   174   104   CA 12   .   .   MG 2.9   3.1   2.4   NA 10   15   7.1   K 1.4   2   1.1   CL 15   22   9.8   SO4 8.6   9.7   7.3   NH4N 0.04   0.03   0.012   NO3N 0.8   0.8   0.5   ORGN 0.1   0.2   0.1   SKN 0.2   0.2   0.2   TKN 0.3   0.4 H 0.3   SRP 0.03   0.02   0.017   TDP 0.03   0.03   0.02   TP 0.05   0.05 H 0.04   DOC 1768   2125   2537   BDOC .   566   522   TSS 1.4   5   11   TSS05 1.2 B 3.6   6.7   TSS10 0.06 B 0.6   1.7   TSS20 0.2   0.9   3   VSS 0.7   1.7   2.2   VSS05 0.6   1.3   1.7   VSS10 0.014 B 0.1   0.2   VSS20 0.06   0.2   0.6     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 3.4952 --- --- 2001 09AUG01 1.1965 07FEB01 8.2605 2002 --- --- --- --- 2003     14JAN03 14.0336 Data Table - Methodology   2000(SB) QUAL 2001(WB) QUAL 2001(SB) QUAL 2002(WB) QUAL 2002(SB) QUAL 2003(WB) QUAL FLU 0 NE 0.001 HE 0.04 HE .   .   0.007 E PHE 0.005   0.005 HE 0.05 HE .   .   0.011 E ANT 0.0006 E 0.005   0.04 HE .   .   0.006 E 2MP 0.005 E 0.004 HE 0.06 HE .   .   0.012 E 1MP 0 NE 0.0005 HE 0.05 HE .   .   0.008 E FLR 0.004 E 0.004 HE 0.02 HE .   .   0.008 E PYR 0.002 E 0.003   0.1 HE .   .   0.007 E BAA 0 NE 0.0007 HE 0.03 HE .   .   0.006 E CHR 0 NE 0.0015 HE 0.04 HE .   .   0.005 E BBF 0.001 NE 0.0012 HE 0.03 HE .   .   0.006 E BKF 0.0006 NE 0.001 HE 0.04 HE .   .   0.003 E BAP 0.0011 NE 0.0008   0.03 HE .   .   0 NE HHCB 0.017   0.016   0.06   .   .   0.007 E AHTN 0.003 NE 0.02 HE 0.05 HE .   .   0 NE CAF 0.02 E 0.03   0.05 HE .   .   0.008   bCOP 0.4 E 0.1   0.04   .   .   0.02   EPI 0.04 E 0.006   0.013 HE .   .   0.013   CHO 3.1 E 0.3   1.1   .   .   0.2   aCOP 0.5 E 0.04   0.2   .   .   0.05   aONE 0.3 E 0 NE 0.05   .   .   0.03 E bONE 0.5 E 0.05   0.04   .   .   0.04   SNOL 0.2 E 0.04   0.05   .   .   0.06     Benthic Macroinvertebrates - Methodology Water Quality Score - WQS Definition