Site R04

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This is a summary page of all field data for Reservoir Bottle Site R-04.

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 10:05 46[2] 7.87 152 305 25.1
2011/08 RC, JW, BO 10:47 28 7.20 171 343 13.6
2011/10 RC, JW 14:20 28 8.11 154 308 15.0
2012/04 AH, NF, BO 9:41 40 7.95 138 277 11.2
2012/07 AH, BO 11:00 35 7.50 155 313 14.7
2012/10 AH, BF 10:32 28 8.22 144 291 18.4
2013/05 AH, DT 11:56 35 6.45 162 328 13.9
2013/07 AH, DT, SD 13:05 41 7.51 182 362 17.0
2013/10 AH, DT 12:40 35 7.42 157 313 18.8
2014/06 BO, NM, JR 14:14 40 6.86 167 335 13.6
2014/09 BO, ET, TH 11:25 37 7.78 174 346 19.4
2014/10 TH, BFo, BO 10:41 40 6.95 184 371 16.2
2015/05 BO, NM, TH 11:12 41 6.70 162 328 10.4
2015/07 BO, GM 10:52 40 7.51 173 345 16.3
2015/09 TH, NH, BFo 9:12 33 7.57 172 364 17.0
Avg. values ± std dev. 36 ± 5 7.4 ± 0.5 163 ± 13 329 ± 27 16 ± 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 23.4 5.11 <LD 0.045 0.071 <LD <LD <LD <LD 0.024 <LD
2011/08 27.2 7.21 0.10 1.730 0.086 <LD <LD <LD <LD 0.032 <LD
2011/10 25.2 5.66 <LD 0.078 0.081 <LD <LD <LD <LD 0.018 <LD
2012/04 22.7 5.58 0.07 0.133 0.075 <LD <LD <LD <LD 0.043 <LD
2012/07 26.7 5.85 <LD 0.057 0.080 <LD <LD <LD <LD <LD <LD
2012/10 27.1 6.20 <LD 0.010 0.086 <LD <LD <LD <LD 0.009 <LD
2013/05 23.9 5.70 <LD 0.050 0.080 <LD <LD <LD <LD 0.021 <LD
2013/07 26.0 5.97 <LD 0.340 0.085 <LD <LD <LD <LD 0.019 <LD
2013/10 24.5 5.77 0.10 0.450 0.089 <LD <LD <LD <LD 0.054 <LD
2014/06 26.2 6.46 0.02 0.098 0.31 0.092 <LD <LD <LD <LD 0.032 <LD
2014/09 25.2 5.93 0.06 0.618 0.24 0.089 <LD <LD <LD <LD 0.034 <LD
2014/10 28.0 6.42 0.08 3.285 0.26 0.097 <LD <LD <LD <LD 0.051 <LD
2015/05 22.4 5.25 0.02 0.088 0.49 0.073 <LD <LD <LD <LD 0.033 <LD
2015/07 27.0 6.23 <LD 1.156 0.30 0.093 <LD <LD <LD <LD 0.038 <LD
2015/09 25.0 5.73 0.15 1.539 0.21 0.089 <LD <LD <LD <LD 0.037 <LD
Mean ± std. dev. = 25 ± 2 5.9 ± 0.5 0.08 ± 0.04 0.6 ± 0.9 0.3 ± 0.1 0.084 ± 0.008 0.03 ± 0.01

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-
2011/06 311 49.02 0.18 40.19 0.70 3.84 0.29 46.25
2011/08 251 43.92 0.11 49.91 0.57 3.17 0.28 47.12
2011/10 176 48.71 0.14 38.87 0.28 2.76 0.29 45.73
2012/04 185 56.81 0.14 35.17 0.25 3.64 0.27 45.38
2012/07 209 31.96 0.12 36.93 0.24 2.69 0.28 47.24
2012/10 179 52.34 0.16 21.71 0.08 0.97 <LD 27.40
2013/05 199 32.30 0.32 61.49 0.07 2.85 <LD 61.79
2013/07 237 39.77 0.31 70.13 <LD 2.93 <LD 65.75
2013/10 180 40.09 0.31 66.33 0.02 3.22 <LD 63.62
2014/06 187 40.93 0.30 77.57 0.04 3.17 <LD 61.11
2014/09 157 43.88 0.24 76.17 0.05 2.89 <LD 57.32
2014/10 227 58.94 0.29 87.77 0.05 0.75 <LD 61.28
2015/05 160 40.28 0.31 84.02 0.01 2.38 <LD 57.91
2015/07 174 42.40 0.39 90.69 0.04 3.86 <LD 62.94
2015/09 174 46.66 0.31 74.55 0.04 1.67 <LD 51.07
Mean ± std. dev. = 200 ± 41 45 ± 8 0.24 ± 0.09 61 ± 22 0.2 ± 0.2 2.7 ± 0.9 0.28 ± 0.01 53 ± 10

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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