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2006 Acid Deposition Annual Report - Grafton Lakes

Grafton Lakes Site Information

  • Station: Grafton Lakes Primary
  • County: Rensselaer
  • Town: Grafton
  • Location: Grafton Lakes State Park, Long Pond Road
  • Elevation: 477 meters
  • Site #: 415304
  • AIRS #: 360830004
  • Locality: Rural, Recreational
  • Zoning:
  • Sampler Type: Primary Sampler
  • Total Precipitation (Inches of Rain): 49.54
  • Valid Sample Precipitation: 47.21
  • Number of Visits: 52
  • Number of Valid Visits: 52
  • Number of Samples: 45
  • Number of Valid Samples: 45
  • Number of Visits With Precipitation Events: 47
  • Number of Valid Visits With Precipitation Events: 47
  • Number of Anion Analyses: 40
  • Number of Cation Analyses: 37
  • Number of Conductivity Analyses: 42
  • Number of pH Analyses: 43
Maximum/Minimum Data
Lab
pH
SO4
IPPM
NO3
IPPM
CL
IPPM
F
IPPM
NO2
IPPM
Br
IPPM
HPO4
IPPM
Na
IPPM
NH4
IPPM
K
IPPM
Ca
IPPM
Mg
IPPM
Lab Conductivity
Micro s/cm
Maximum 5.71 5.202 5.783 1.035 0.000 0.000 0.000 0.000 0.385 1.028 0.084 0.841 0.075 40.50
Minimum 4.10 0.134 0.106 0.000 0.000 0.000 0.000 0.000 0.000 0.023 0.000 0.000 0.000 2.39


Precipitation Weighted Mean
Precipitation
(Inches of Rain)
Lab
pH
SO4
IPPM
NO3
IPPM
CL
IPPM
F
IPPM
NO2
IPPM
Br
IPPM
HPO4
IPPM
Na
IPPM
NH4
IPPM
K
IPPM
Ca
IPPM
Mg
IPPM
Lab Conductivity
Micro s/cm
1st Quarter 11.00 4.92 1.046 0.907 0.200 0.000 0.000 0.000 0.000 0.134 0.206 0.014 0.081 0.017 11.69
2nd Quarter 16.34 4.81 1.135 0.670 0.043 0.000 0.000 0.000 0.000 0.041 0.246 0.011 0.030 0.010 8.42
3rd Quarter 11.70 4.55 1.358 1.067 0.047 0.000 0.000 0.000 0.000 0.012 0.302 0.005 0.063 0.005 14.08
4th Quarter 10.50 4.86 0.538 0.472 0.052 0.000 0.000 0.000 0.000 0.025 0.090 0.005 0.030 0.006 6.53
Annual 49.54 4.75 1.029 0.758 0.077 0.000 0.000 0.000 0.000 0.047 0.213 0.008 0.051 0.009 10.09


Total Deposition
H+
mg/m2
SO4
mg/m2
NO3
mg/m2
CL
mg/m2
F
mg/m2
NO2
mg/m2
Br
mg/m2
HPO4
mg/m2
Na
mg/m2
NH4
mg/m2
K
mg/m2
Ca
mg/m2
Mg
mg/m2
1st Quarter 3.414 292.139 253.340 55.916 0.000 0.000 0.000 0.000
2nd Quarter 6.482 471.022 277.880 17.877 0.000 0.000 0.000 0.000
3rd Quarter 8.417 403.644 317.237 13.872 0.000 0.000 0.000 0.000 3.584 89.847 1.475 18.826 1.460
4th Quarter 3.718 143.518 126.002 13.909 0.000 0.000 0.000 0.000 6.786 23.944 1.357 8.117 1.552
Annual 22.031 1,310.323 974.458 101.573 0.000 0.000 0.000 0.000 64.755 273.677 11.244 61.926 11.795


Note: Deposition shown meets
1) For quarters, a minimum of 75% data capture and
2) For annual, a minimum of 75% data capture with each quarter > 50% data capture.

Data capture = valid samples with valid precipitation for the period / total precipitation for period.