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

Site 37 - Horse Pound Brook near Lake Carmel - WBCHORSE - IMAGE Gallery Watershed Characteristics - Nutrient Chemistry - Molecular Tracers - Macroinvertebrates

Watershed Land Use/Land Cover Characteristics - Data Methodology Description Latitude(dd): 41.472510 Longitude(dd): -73.691475 Watershed Area: 10.3 km2 ------------------------------------------------------------------------------------------------ East of Hudson Land Use/Cover Map Impervious Agriculture Forest Water Wetland 2.36% 3.32% 92.20% 2.12% 6.40% -------------------------------------------------------------------------------------------------   1990 2000 Total Population 1192 1126 Population Density (ind./km2) 115.21 108.80 -------------------------------------------------------------------------------------------------   2000 2001 2002 # of SPDES Dischargers 0 0 0 Total Annual Volume (normalized for watershed area) 0.00 cm 0.00 cm 0.00 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 22AUG00 0.0355 22AUG00 0.0355 2001 19SEP01 0.0121 19SEP01 0.0121 2002 31JUL02 0.0087 31JUL02 0.0087 Data Table - Methodology   2000 QUAL 2001 QUAL 2002 QUAL pH 7.9   7.9   7.7   ALKL 50   52   54   COND 239   215   298   CA 18   .   .   MG 6.2   6.3   7   NA 19   14   25   K 1.4   2   2   CL 36   30   53   SO4 9.1   7.6   7   NH4N 0.004 B 0.003 B 0.007 B NO3N 0.3   0.2   0.4   ORGN 0.2   0.09   0.1   SKN 0.2   0.09   0.1   TKN 0.1   0.08   0.1   SRP 0.008   0.009   0.013   TDP 0.008 B 0.01   0.015   TP 0.009 B 0.011   0.018   DOC 2628   1570   2389   BDOC .   202   64   TSS 1.2 B 2   2.3   TSS05 0.5 B 0.5   1.3   TSS10 0.5   0.3   0.3   TSS20 0.2   1   0.9   VSS 0.4   0.6   0.7   VSS05 0.2 B 0.3 B 0.4   VSS10 0.2   0.1   0.08   VSS20 0   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 22AUG00 0.0355 2001 23AUG00 0.0184 --- --- 2002 29JUL02 0.0171 --- --- 2003     --- --- Data Table - Methodology   2000(SB) QUAL 2001(WB) QUAL 2001(SB) QUAL 2002(WB) QUAL 2002(SB) QUAL 2003(WB) QUAL FLU 0.0003 HE .   0.0002 E .   0.0003 E .   PHE 0 NE .   0.0008 E .   0.0013 E .   ANT 0 NE .   0.00017 E .   0.00019 E .   2MP 0.0008 HE .   0.0005 E .   0.0004 E .   1MP 0 NE .   0.00011 E .   0.00017 E .   FLR 0.0011   .   0.0009 E .   0.003 E .   PYR 0 NE .   0.00019 E .   0.0007 E .   BAA 0 NE .   0.0002 E .   0.0006 E .   CHR 0 NE .   0.00002 E .   0.0006 E .   BBF 0 NE .   0.00004 E .   0.0006 E .   BKF 0 NE .   0.00002 E .   0.0006 E .   BAP 0.0003 HE .   0.00009 E .   0 E .   HHCB 0.003   .   0.0014 E .   0.0018 E .   AHTN 0 NE .   0.003 E .   0.003 E .   CAF 0 NE .   0.002 E .   0.004 E .   bCOP 0 NE .   0.004 E .   0.008 E .   EPI 0 NE .   0.0002 E .   0.0016 E .   CHO 0.5 HE .   0.2   .   0.2   .   aCOP 0.1 HE .   0.013   .   0.03   .   aONE 0 NE .   0.005 E .   0.006 E .   bONE 0.5 HE .   0.001 E .   0.019   .   SNOL 0.1 HE .   0.011   .   0.03   .     Benthic Macroinvertebrates - Methodology Water Quality Score - WQS Definition