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

Site 21 - Schoharie Creek near Prattsville- SCHPRATT - IMAGE Gallery Watershed Characteristics - Nutrient Chemistry - Molecular Tracers - Macroinvertebrates

Watershed Land Use/Land Cover Characteristics - Data Methodology Description Latitude(dd): 42.309343 Longitude(dd): -74.423210 Watershed Area: 589.0 km2 ------------------------------------------------------------------------------------------------ West of Hudson Land Use/Cover Map Impervious Agriculture Forest Water Wetland 0.46% 14.66% 84.38% 0.50% 1.06% -------------------------------------------------------------------------------------------------   1990 2000 Total Population 6063 6194 Population Density (ind./km2) 10.29 10.52 -------------------------------------------------------------------------------------------------   2000 2001 2002 # of SPDES Dischargers 16 15 15 Total Annual Volume (normalized for watershed area) 0.10 cm 0.08 cm 0.08 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 08AUG00 3.4173 08AUG00 3.4173 2001 25JUL01 0.7029 25JUL01 0.7029 2002 17JUL02 0.7181 17JUL02 0.7181 Data Table - Methodology   2000 QUAL 2001 QUAL 2002 QUAL pH 8.8   8.3   9.1   ALKL 21   31   29   COND 80   127   123   CA 7.7   .   .   MG 1.2   1.8   1.8   NA 5.2   9.3   9.4   K 0.4   0.8   0.7   CL 7   16   16   SO4 5.5   6.2   6.4   NH4N 0.006 B 0.011   0.006 B NO3N 0.08   0.03   0.013 B ORGN 0.08   0.09   0.1   SKN 0.09 B 0.1   0.1   TKN 0.1 B 0.1   0.2   SRP 0.002 B 0 B 0.001 B TDP 0.003 B 0.003 B 0.003 B TP 0.006 B 0.006 B 0.007 B DOC 1359   1412   1592   BDOC .   259   264   TSS 6.7   1.8   3.6   TSS05 5.6   1.3   3.3   TSS10 1   0.2   0.2   TSS20 0.04   0.4   0.5   VSS 2.4   0.9   1   VSS05 2   0.5   0.8   VSS10 0.4   0.08   0.07   VSS20 0.012   0.2   0.1     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 2.2874 2001 30JUL01 0.9367 --- --- 2002 16JUL02 0.7872 --- --- 2003     --- --- Data Table - Methodology   2000(SB) QUAL 2001(WB) QUAL 2001(SB) QUAL 2002(WB) QUAL 2002(SB) QUAL 2003(WB) QUAL FLU 0.0006 HE .   0.0006 HE .   0.0009 E .   PHE 0.0015   .   0.0016 HE .   0.0017 E .   ANT 0.0007 HE .   0.0006 HE .   0.0006 E .   2MP 0.0018 HE .   0.008 HE .   0.0004 E .   1MP 0.00014 HE .   0.0004 HE .   0.0003 E .   FLR 0.0003 HE .   0.0013 HE .   0.004 E .   PYR 0.0003 HE .   0.0005 HE .   0.0007 E .   BAA 0.003 HE .   0.0003 HE .   0.0011 E .   CHR 0.002 HE .   0.0003 HE .   0.0013 E .   BBF 0.00007 HE .   0.0005 HE .   0.0006 E .   BKF 0.0008 HE .   0.0002 HE .   0.002 E .   BAP 0.0005   .   0.0006 HE .   0.00012 E .   HHCB 0.004   .   0.011   .   0.004 E .   AHTN 0.0013 HE .   0.014 HE .   0.006 E .   CAF 0.008 HE .   0.002 HE .   0.015   .   bCOP 0.006   .   0.01 HE .   0.018   .   EPI 0.0014   .   0.0019 HE .   0.006 E .   CHO 0.1   .   0.3   .   1.2   .   aCOP 0.03   .   0.05   .   0.1   .   aONE 0.007 HE .   0.013   .   0.02   .   bONE 0.018 HE .   0.015   .   0.04   .   SNOL 0.017   .   0.019   .   0.07   .     Benthic Macroinvertebrates - Methodology Water Quality Score - WQS Definition