Site R02

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This is a summary page of all field data for Reservoir Bottle Site R-02.

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°)
2011/06 RC, BO, NM 9:27 31[2] 7.74 152 310 24.7
2011/08 RC, JW, BO 10:24 23 6.98 173 344 19.0
2011/10 RC, JW 14:04 23 8.10 179 362 14.6
2012/04 AH, NF, BO 9:30 26 7.58 163 322 12.4
2012/07 AH, BO 10:40 20 7.23 173 338 22.5
2012/10 AH, BF 10:45 15 7.99 158 317 17.9
2013/05 AH, DT 11:41 30 6.30 196 394 14.6
2013/07 AH, DT, SD 12:53 27 7.42 195 386 21.9
2013/10 AH, DT 12:20 30 7.33 182 364 19.7
2014/06 BO, NM, JR 13:57 25 6.49 201 398 16.2
2014/09 BO, ET, TH 11:00 20 8.59 196 409 25.5
2014/10 TH, BFo, BO 10:23 20 6.60 188 376 17.7
2015/05 BO, NM, TH 10:55 25 6.32 183 367 12.8
2015/07 BO, GM 10:31 25 7.44 165 329 19.1
2015/09 TH, NH, BFo 8:48 19 7.57 181 360 22.1
Avg. values ± std dev. 23 ± 4 7.3 ± 0.7 179 ± 15 358 ± 31 19 ± 4

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[3] Sr Pb As Hg Cr Ba Cd
2011/06 26.5 5.72 0.11 0.204 0.081 <LD <LD <LD <LD 0.028 <LD
2011/08 28.6 7.53 <LD 0.242 0.088 <LD <LD <LD <LD 0.019 <LD
2011/10 29.0 6.27 <LD 0.215 0.091 <LD <LD <LD <LD 0.022 <LD
2012/04 27.0 6.46 0.07 0.269 0.088 <LD <LD <LD <LD 0.046 <LD
2012/07 29.6 6.61 <LD 0.042 0.088 <LD <LD <LD <LD 0.008 <LD
2012/10 30.8 6.79 <LD 0.012 0.096 <LD <LD <LD <LD 0.015 <LD
2013/05 28.7 6.52 1.00 0.669 0.092 <LD <LD <LD <LD 0.036 <LD
2013/07 29.9 6.57 <LD 0.752 0.096 <LD <LD <LD <LD 0.025 <LD
2013/10 29.4 6.67 0.21 1.877 0.104 <LD <LD <LD <LD 0.073 <LD
2014/06 30.3 6.79 0.04 0.414 0.32 0.103 <LD <LD <LD <LD 0.038 <LD
2014/09 30.6 6.87 0.04 0.055 0.24 0.103 <LD <LD <LD <LD 0.039 <LD
2014/10 30.8 6.95 0.05 0.180 0.26 0.105 <LD <LD <LD <LD 0.035 <LD
2015/05 24.9 5.72 0.04 0.101 0.50 0.080 <LD <LD <LD <LD 0.035 <LD
2015/07 27.6 6.26 <LD 0.538 0.31 0.093 <LD <LD <LD <LD 0.039 <LD
2015/09 29.4 6.47 0.06 0.083 0.23 0.097 <LD <LD <LD <LD 0.033 <LD
Mean ± std. dev. = 29 ± 2 6.6 ± 0.5 0.2 ± 0.3 0.4 ± 0.5 0.3 ± 0.1 0.094 ± 0.008 0.03 ± 0.02

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.[4] F- Cl- Br- NO3- PO43- SO42-
2011/06 103 56.81 0.17 58.86 0.36 3.36 0.31 54.29
2011/08 62 39.75 0.15 43.88 0.30 2.90 0.31 54.17
2011/10 114 56.81 0.13 39.61 0.25 3.47 0.30 53.17
2012/04 145 62.21 0.08 41.39 0.24 3.88 0.28 58.55
2012/07 178 34.00 <LD 37.99 0.24 2.08 0.28 54.92
2012/10 162 62.29 0.40 59.22 0.12 1.34 <LD 77.10
2013/05 256 36.70 0.31 84.82 0.07 3.89 <LD 77.34
2013/07 251 36.93 0.34 76.80 0.06 2.32 <LD 72.80
2013/10 211 58.03 0.34 72.14 0.06 1.43 <LD 69.36
2014/06 246 43.47 0.30 95.75 0.05 3.79 <LD 73.30
2014/09 222 51.73 0.31 82.63 0.06 0.65 <LD 73.99
2014/10 268 55.76 0.34 86.62 0.06 0.61 <LD 75.89
2015/05 201 38.37 0.47 96.75 0.01 2.95 <LD 72.28
2015/07 168 41.55 0.40 77.72 0.04 4.11 <LD 68.52
2015/09 168 45.57 0.35 56.20 0.04 <LD <LD 75.21
Mean ± std. dev. = 184 ± 61 48 ± 10 0.3 ± 0.1 67 ± 21 0.1 ± 0.1 3 ± 1 0.29 ± 0.02 67 ± 9

Notes

  1. Samples are taken ~5 ft off the bottom of the lake.
  2. This sample was taken from just under the surface of the lake.
  3. Samples were not analyzed for aluminum prior to June 2014.
  4. Alkalinity is reported as ppm CaCO3 equivalents.



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