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

Site 2 - Town Brook near Hobart - WBDTWNBK - IMAGE Gallery Watershed Characteristics - Nutrient Chemistry - Molecular Tracers - Macroinvertebrates

Watershed Land Use/Land Cover Characteristics - Data Methodology Description Latitude(dd): 42.368793 Longitude(dd): -74.676987 Watershed Area: 41.4 km2 ------------------------------------------------------------------------------------------------ West of Hudson Land Use/Cover Map Impervious Agriculture Forest Water Wetland 0.09% 54.25% 45.53% 0.13% 0.50% -------------------------------------------------------------------------------------------------   1990 2000 Total Population 426 394 Population Density (ind./km2) 10.29 9.53 -------------------------------------------------------------------------------------------------   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 07SEP00 0.1247 07SEP00 0.1247 2001 19SEP01 0.0333 19SEP01 0.0333 2002 13JUN02 0.9560 13JUN02 0.9560 Data Table - Methodology   2000 QUAL 2001 QUAL 2002 QUAL pH 8.2   7.8   7.3   ALKL 31   39   24   COND 95   139   82   CA 11   .   .   MG 2.1   2.8   1.7   NA 3.4   6   9   K 1.3   2   1   CL 3.5   8.3   4.6   SO4 6.6   9.1   5.3   NH4N 0.009 B 0.01   0.004 B NO3N 0.3   1.2   0.5   ORGN 0.2   0.1   0.2   SKN 0.2   0.1   0.2   TKN 0.3   0.2   0.3   SRP 0.015   0.03   0.019   TDP 0.018   0.03   0.02   TP 0.02   0.04   0.03   DOC 2357   1443   3068   BDOC .   251   355   TSS 0.7 B 1.5   3.2   TSS05 0.5 B 0.8   2   TSS10 0.05 B 0.3   0.4   TSS20 0.1   0.6   1.3   VSS 0.4   0.6   0.9   VSS05 0.3 B 0.4 B 0.6   VSS10 0.04 B 0.07   0.08   VSS20 0.04   0.1   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 11OCT00 0.2095 --- --- 2001 19SEP01 0.0333 07FEB01 0.4061 2002 10JUN02 1.1366 04FEB02 1.7878 2003     14JAN03 0.6612 Data Table - Methodology   2000(SB) QUAL 2001(WB) QUAL 2001(SB) QUAL 2002(WB) QUAL 2002(SB) QUAL 2003(WB) QUAL FLU 0 NE 0.0006 HE 0.0006 E 0.008 E 0.001 E 0.012 E PHE 0 NE 0.002 HE 0.0012 E 0.015 E 0.007 E 0.017   ANT 0.0014 E 0.0005 HE 0.0006 E 0.003 E 0.0011 E 0.009 E 2MP 0.004 E 0.005 HE 0.003 E 0.005 E 0.004 E 0.013 E 1MP 0 NE 0.0003 HE 0.0005 E 0.0011 E 0.0017 E 0.01 E FLR 0.002 E 0.002 HE 0.0009 E 0.003 E 0.007 E 0.01 E PYR 0 NE 0.0017   0.0004 E 0.003 E 0.006 E 0.008 E BAA 0.0002 E 0.0009 HE 0.0002 E 0.0013 E 0.005 E 0.008 E CHR 0.0003 E 0.001 HE 0.0003 E 0.0011 E 0.004 E 0.006 E BBF 0 NE 0.0006 HE 0.0007 E 0.0013 E 0.0008 E 0.006 E BKF 0 NE 0.0006 HE 0.00019 E 0.0014 E 0.002 E 0.004 E BAP 0.0004 E 0.0006   0.0004 E 0.0011 E 0.004 E 0.006 E HHCB 0.003   0.004   0.0009 E 0.05   0.008 E 0.009 E AHTN 0.0013 E 0.017 HE 0.005 E 0.004 E 0.04 E 0.03 E CAF 0 NE 0.01   0.06 E 0.007 E 0.008   0.009   bCOP 0.1   0.07   0.015 E 0.1   0.004 E 0.03   EPI 0.02   0.018   0.005   0.06   0.02   0.013   CHO 0.3   0.2   0.5   0.2   0.5   0.3   aCOP 0.1 E 0.08   0.07   0.09   0.2   0.04   aONE 0.005 E 0.005 HE 0.015   0.009 E 0.03 E 0 NE bONE 0.07   0.04   0.02 E 0.06   0.07   0.05   SNOL 0.1   0.1   0.05   0.1   0.1   0.08     Benthic Macroinvertebrates - Methodology Water Quality Score - WQS Definition