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

Site 51 - Hunter Brook near Mohansic State Park - CROHUNTR - IMAGE Gallery Watershed Characteristics - Nutrient Chemistry - Molecular Tracers - Macroinvertebrates

Watershed Land Use/Land Cover Characteristics - Data Methodology Description Latitude(dd): 41.278899 Longitude(dd): -73.835252 Watershed Area: 15.6 km2 ------------------------------------------------------------------------------------------------ East of Hudson Land Use/Cover Map Impervious Agriculture Forest Water Wetland 20.83% 6.77% 69.89% 0.41% 3.84% -------------------------------------------------------------------------------------------------   1990 2000 Total Population 6407 6952 Population Density (ind./km2) 409.51 444.38 -------------------------------------------------------------------------------------------------   2000 2001 2002 # of SPDES Dischargers 2 2 2 Total Annual Volume (normalized for watershed area) 0.05 cm 0.07 cm 0.06 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 13SEP00 0.0356 13SEP00 0.0356 2001 06SEP01 0.0138 06SEP01 0.0138 2002 14AUG02 0.0144 14AUG02 0.0144 Data Table - Methodology   2000 QUAL 2001 QUAL 2002 QUAL pH 8.4   7.7   7.6   ALKL 108   96   108   COND 429   445   484   CA 36   .   .   MG 12   12   13   NA 34   35   35   K 2.4   2.8   3.2   CL 62   69   73   SO4 13   18   16   NH4N 0.013   0.02   0.03   NO3N 0.3   0.4   0.4   ORGN 0.2   0.3   0.3   SKN 0.2   0.3   0.4   TKN 0.4   0.3   0.8   SRP 0.003   0.04   0.03   TDP 0.008 B 0.04   0.04   TP 0.04   0.06   0.06   DOC 3900   3989   4453   BDOC .   460   216   TSS 2.7   5.3   3.6   TSS05 2.5   6.4   2.1   TSS10 0.2   0.4   0.5   TSS20 .   0.7   0.6   VSS 0.8   1.8   1.6   VSS05 0.8   2.4   0.8   VSS10 0.03 B 0.1   0.2   VSS20 .   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 13SEP00 0.0356 2001 05SEP01 0.0147 --- --- 2002 12AUG02 0.0112 --- --- 2003     --- --- Data Table - Methodology   2000(SB) QUAL 2001(WB) QUAL 2001(SB) QUAL 2002(WB) QUAL 2002(SB) QUAL 2003(WB) QUAL FLU 0.005   .   0.004 HE .   0.004 E .   PHE 0.02 HE .   0.01 HE .   0.009 E .   ANT 0.02   .   0.007 HE .   0.0018 E .   2MP 0.004 HE .   0.003 HE .   0.003 E .   1MP 0.0014 HE .   0.0014 HE .   0.0012 E .   FLR 0.02 HE .   0.011 HE .   0.014 E .   PYR 0.018   .   0.012 HE .   0.011 E .   BAA 0.0013 HE .   0.0018 HE .   0.003 E .   CHR 0.009 HE .   0.003 HE .   0.002 E .   BBF 0.006 HE .   0.003 HE .   0 NE .   BKF 0.003 HE .   0.0017 HE .   0.004 E .   BAP 0.008 HE .   0.003 HE .   0.00016 E .   HHCB 0.013   .   0.009 HE .   0.012   .   AHTN 0.007   .   0.008 HE .   0.008 E .   CAF 0.2   .   0.03   .   0.07   .   bCOP 0.07   .   0.011 HE .   0.04   .   EPI 0.011   .   0.004 HE .   0.03   .   CHO 0.7   .   1.2   .   1   .   aCOP 0.09   .   0.2   .   0.2   .   aONE 0.019 HE .   0.03   .   0.03 E .   bONE 0.04   .   0.03   .   0.08 E .   SNOL 0.06   .   0.04   .   0.1   .     Benthic Macroinvertebrates - Methodology Water Quality Score - WQS Definition