Site R07

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This is a summary page of all field data for Reservoir Bottle Site R-07.

Field Data Summary Report

Below is a field data summary report for this site, including the average value for each measured parameter and its standard deviation. Collector initials are explained here.

Date Collector Time Depth (ft)[1] pH TDS (ppm) Cond. (µS) Temp. (C°)
2013/07 AH, DT, SD 13:30 20 7.61 162 324 28.1
2013/10 AH, DT 13:05 35 7.58 156 314 18.4
2014/06 BO, NM, JR 14:35 18 7.62 168 335 20.2
2014/09 BO, ET, TH 11:55 14 8.60 171 341 25.9
2014/10 TH, BFo, BO 10:55 25 7.41 160 320 18.7
2015/05 BO, NM, TH 11:28 28 7.71 161 319 12.5
2015/07 BO, GM 11:16 18 7.41 124 249 23.4
2015/09 TH, NH, BFo 9:37 40 7.78 185 369 15.4
Avg. values ± std dev. 25 ± 9 7.7 ± 0.4 161 ± 17 321 ± 34 20 ± 5

Metal Concentrations

The following samples were analyzed for various metals. All results are reported in units of parts per million (ppm). Any result that was below the instrument detection limit is designated by '<LD'.

Date Ca Mg Fe Mn Al[2] Sr Pb As Hg Cr Ba Cd
2013/07 24.6 5.85 <LD 0.014 0.084 <LD <LD <LD <LD 0.021 <LD
2013/10 23.4 5.71 0.13 0.622 0.087 <LD <LD <LD <LD 0.054 <LD
2014/06 26.4 6.12 0.04 0.053 0.32 0.092 <LD <LD <LD <LD 0.032 <LD
2014/09 25.7 5.98 0.03 0.026 0.24 0.090 <LD <LD <LD <LD 0.036 <LD
2014/10 25.0 5.95 0.03 0.053 0.26 0.089 <LD <LD <LD <LD 0.030 <LD
2015/05 21.6 5.12 0.02 0.043 0.49 0.071 <LD <LD <LD <LD 0.033 <LD
2015/07 20.4 5.07 0.02 0.016 0.31 0.075 <LD <LD <LD <LD 0.039 <LD
2015/09 26.9 6.08 0.10 1.375 0.22 0.093 <LD <LD <LD <LD 0.034 <LD
Mean ± std. dev. = 24 ± 2 5.7 ±0.4 0.05 ± 0.04 0.3 ± 0.5 0.3 ± 0.1 0.085 ± 0.008 0.035 ± 0.009

TDS, Alkalinity, and Salt Concentrations

The following samples were analyzed for total dissolved solids (TDS), alkalinity, and various anionic salts. All results are reported in parts per million (ppm). For salts, any level that was below the instrument detection limit is designated by '<LD'.

Date TDS Alk.[3] F- Cl- Br- NO3- PO43- SO42-
2013/07 203 37.98 0.31 65.94 <LD 1.96 <LD 63.08
2013/10 168 39.04 0.30 67.09 0.05 3.40 <LD 64.93
2014/06 203 40.09 0.28 79.75 0.04 2.87 <LD 61.61
2014/09 146 44.10 0.25 75.24 0.05 0.65 0.83 61.56
2014/10 161 44.52 0.28 77.64 0.05 0.90 <LD 63.37
2015/05 166 40.07 0.29 82.79 0.01 2.13 <LD 57.51
2015/07 199 35.19 0.37 55.82 0.03 2.92 <LD 48.88
2015/09 199 45.14 0.32 81.76 0.05 2.26 <LD 55.64
Mean ± std. dev. = 181 ± 23 41 ± 4 0.30 ± 0.04 73 ± 9 0.04 ± 0.01 2 ± 1 0.83 ± n/a 60 ± 5

Notes

  1. Samples are taken ~5 ft off the bottom of the lake.
  2. Samples were not analyzed for aluminum prior to June 2014.
  3. Alkalinity is reported as ppm CaCO3 equivalents.



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