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

Site 48 - Crook Brook near Grant Corner - TTCCROOK - IMAGE Gallery Watershed Characteristics - Nutrient Chemistry - Molecular Tracers - Macroinvertebrates

Watershed Land Use/Land Cover Characteristics - Data Methodology Description Latitude(dd): 41.318073 Longitude(dd): -73.587466 Watershed Area: 5.3 km2 ------------------------------------------------------------------------------------------------ East of Hudson Land Use/Cover Map Impervious Agriculture Forest Water Wetland 1.25% 1.74% 93.49% 3.51% 5.29% -------------------------------------------------------------------------------------------------   1990 2000 Total Population 139 176 Population Density (ind./km2) 26.07 32.98 -------------------------------------------------------------------------------------------------   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 12SEP00 0.0090 12SEP00 0.0090 2001 05SEP01 0.0050 05SEP01 0.0050 2002 31JUL02 0.0045 31JUL02 0.0045 Data Table - Methodology   2000 QUAL 2001 QUAL 2002 QUAL pH 8   8.2   7.6   ALKL 86   96   58   COND 276   348   235   CA 29   .   .   MG 7.2   8.6   5.9   NA 15   21   14   K 2   2.7   1.7   CL 27   45   31   SO4 10   10   11   NH4N 0.007 B 0.003 B 0.015   NO3N 0.3   0.4   0.2   ORGN 0.06   0.1   0.1   SKN 0.06 B 0.1   0.1   TKN 0.09 B 0.1   0.1   SRP 0.006   0.007   0.007   TDP 0.008 B 0.008 B 0.009 B TP 0.009 B 0.01   0.011   DOC 1386   1448   2123   BDOC . V . V 136   TSS 0.5 B 1 B 2.3   TSS05 0.1 B 0.4 B 1.2   TSS10 0.06 B 0.2   0.3   TSS20 0.3   0.6   0.8   VSS 0.09 B 0.3   0.7   VSS05 0.04 B 0.1 B 0.3 B VSS10 0.001 B 0.06   0.06   VSS20 0.06   0.1 B 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 12SEP00 0.0090 2001 06SEP01 0.0047 --- --- 2002 29JUL02 0.0089 --- --- 2003     --- --- Data Table - Methodology   2000(SB) QUAL 2001(WB) QUAL 2001(SB) QUAL 2002(WB) QUAL 2002(SB) QUAL 2003(WB) QUAL FLU 0 NE .   0.0005 HE .   0.003 E .   PHE 0.005 HE .   0.001 HE .   0.002 E .   ANT 0.0008   .   0.0004 HE .   0.002 E .   2MP 0.0012 HE .   0.0002 HE .   0.005 E .   1MP 0.0004 HE .   0.00013 HE .   0.004 E .   FLR 0.005   .   0.0008 HE .   0.03 E .   PYR 0.004   .   0.0004 HE .   0.03 E .   BAA 0.0018   .   0.0007 HE .   0.008   .   CHR 0.002   .   0.0003 HE .   0.007 E .   BBF 0.003   .   0.0003 HE .   0.011 E .   BKF 0.002   .   0.00017 HE .   0.008 E .   BAP 0.0019   .   0.0004 HE .   0.003 E .   HHCB 0.003   .   0.0012 HE .   0.007 E .   AHTN 0.005   .   0.003 HE .   0.009 E .   CAF 0.003   .   0.0005 HE .   0.05 E .   bCOP 0.0018 HE .   0.004 HE .   0.05 E .   EPI 0 NE .   0.0005 HE .   0.018 E .   CHO 0.1   .   0.2   .   4.1 E .   aCOP 0.016   .   0.014   .   0.5 E .   aONE 0.0019 HE .   0.002 HE .   0.1 E .   bONE 0.004 HE .   0.011   .   0.3 E .   SNOL 0.008   .   0.013   .   0.5 E .     Benthic Macroinvertebrates - Methodology Water Quality Score - WQS Definition