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Standard Water Quality Report

Download Raw Water Quality Data CSV

Sample Point - Bypass

Download Sample Point Report CSV  /  Inflow: No / Outflow: Yes
Date
Method of Flow
Flow - Field (gal/min)
pH - Field (S.U.)
pH - Lab (S.U.)
ORP - Field (mvolts)
DO - Field (mg/L)
Temp - Field (C)
Cond - Lab (umhos/cm)
Alkalinity - Field (mg/L)
Alkalinity - Lab (mg/L)
Acidity - Lab (mg/L)
T. Fe - Lab (mg/L)
D. Fe - Lab (mg/L)
T. Mn - Lab (mg/L)
D. Mn - Lab (mg/L)
T. Al - Lab (mg/L)
D. Al - Lab (mg/L)
SO4 - Lab (mg/L)
TSS - Lab (mg/L)
Ferrous Iron (mg/L) Lab
2015-09-03--274.66.316.7----------242-121.41.792--0.322--0.63--506.780.178
2016-01-06--61.356.346.7----------216.6-193.22.51--0.294--1.108--642.1140.232
2016-02-02--254.6--6.9----------229.6-196.62.156--0.286--0.827--465.5140.205
2016-03-01--7786.086.6----------198.2-175.43.084--0.45--2.177--468.8180.34
2016-04-18--236.96.156.6----------219.4-191.22.332--0.355--1.288--486.9160.343
2016-08-01--5606.416.4----------233.6-199.41.916--0.276--0.68--455.760.27
2017-01-04--7116.317.1----------214-185.22.687--0.386--1.1--580.380.271
2017-02-01--31907.116.4----------184.6-171.62.403--0.408--1.867--595.7100.283
2017-03-08--1697--6.3----------191-172.22.657--0.5--2.28--436.4100.333
2017-04-05--111666.7----------177.6-162.62.854--0.533--2.658--426.4120.315
2017-05-02--647.26.446.6----------208.4-197.62.122--0.371--1.36--451.5100.28
2017-06-06--9876.916.5----------201.8-1922.164--0.403--1.588--400.760.228
2017-10-24--61.46.846.7----------242.6-208.81.272--0.235--0.5--425.9120.167
2018-02-14--1288--6.6----------202.2-177.83.006--0.351--2.234--406120.382
2018-04-23----6.276.5----12.9----188-162.42.275--0.477--1.950--422.2120.297
2018-10-17----6.416.8----14.1----187.2-161.82.119--0.382--1.447--370.9120.396
2020-02-09----7.616.6----11.4----189.2-171.82.627--0.427--1.891--364.260.432
2023-12-07----6.257.4----12.6----230.6-2121.496--0.247--0.640--438.4200.263
2024-03-06----6.136.3----12.8----194.4-166.42.363--0.440--2.190--400.8200.267
2024-09-04----6.586.4----14.2----234.4-215.41.302--0.224--0.500--419.6200.246
2025-07-30------6.4----15.1----227-203.61.590--0.269--0.763--383.4200.188
Minimum:--61.3566.3----11.4----177.6-215.41.272--0.224--0.5--364.260.167
Maximum:--31907.617.4----15.1----242.6-121.43.084--0.533--2.658--642.1200.432
Average:--8476.486.63----13.3----210-182.82.23--0.36--1.41--454.712.70.28
Range:--3128.651.611.1----3.7----65941.812--0.309--2.158--277.9140.265
Median:--679.16.346.6----12.9----208.4-185.22.28--0.37--1.36--436.4120.27
Loading (lb/day):--2015.86-1803.5625.71--4.2--18.68--

Sample Point Description: Rock Tunnel bypass from 24" ag box

  1. Records with no value are not included in statistical calculations.
  2. Values lower than the minimum detection limit are assumed to be 0.
  3. Average pH is calculated using the arithmetic mean of pH values. Hydronium ion concentrations were not used.
  4. This work is licensed under the Creative Commons Attribution-NonCommercial-ShareAlike License.

To view a copy of this license, visit http://creativecommons.org/licenses/by-nc-sa/2.5/ or send a letter to Creative Commons, 559 Nathan Abbott Way, Stanford, California 94305, USA.


Sample Point - RAW

Download Sample Point Report CSV  /  Inflow: Yes / Outflow: No
Date
Method of Flow
Flow - Field (gal/min)
pH - Field (S.U.)
pH - Lab (S.U.)
ORP - Field (mvolts)
DO - Field (mg/L)
Temp - Field (C)
Cond - Lab (umhos/cm)
Alkalinity - Field (mg/L)
Alkalinity - Lab (mg/L)
Acidity - Lab (mg/L)
T. Fe - Lab (mg/L)
D. Fe - Lab (mg/L)
T. Mn - Lab (mg/L)
D. Mn - Lab (mg/L)
T. Al - Lab (mg/L)
D. Al - Lab (mg/L)
SO4 - Lab (mg/L)
TSS - Lab (mg/L)
Ferrous Iron (mg/L) Lab
2002-07-15------6.1----------12009.78--1.42--6.29--621904.19
2005-09-16------6.6----------179.6-882.24--0.409--1.07--555.1240.08
2005-10-18--1985--6.5----------180.6-1122.8--0.426--1.54--590.731.19
2005-11-02--3069--6.3----------181.4-1223.42--0.479--1.58--575.161.04
2008-01-14--22006.386.7----------168.8-155.84.014--0.548--2.271--473.6280.92
2008-04-30--15746.396.6----------193-160.43.254--0.458--1.59--483.5140.68
2008-07-30--7376.466.6----------208-1912.583--0.355--0.872--500.980.58
2008-11-05--7666.496.6----------203-191.22.02--0.325--0.797--585.650.58
2009-01-12--1522--6.5----------167.8-147.23.349--0.479--1.793--527.1240.69
2009-04-28--13976.196.5----------187.8-161.23.5--0.408--1.832--501.4120.58
2009-07-28----13226.9----------218-2042.553--0.302--0.752--53960.6
2010-01-31--25266.076.6----------161.8-140.46.96--0.673--4.423--540.3240.93
2010-04-20--22156.136.8----------207.2-183.42.984--0.418--1.429--461.8160.83
2010-07-18--132066.8----------216-188.82.724--0.344--1.002--483.8140.48
2010-10-18--7606.116.5----------210.6-193.42.346--0.301--0.8--490.480.51
2011-01-20--12606.216.5----------204.6-194.63.124--0.33--1.129--465.8220.63
2011-04-14--30006.076.4----------164.4-132.24.455--0.613--2.755--457.7161.07
2011-07-14--11676.166.6----------218-1843.23--0.32--1.115--408.6180.6
2011-10-25--19000.236.2----------185.8-170.82.907--0.386--1.65--434.8140.43
2012-04-23--23086.356.4----------202-195.62.333--0.319--1.054--408.7200.58
2012-10-22--8506.356.8----------215.4-198.81.883--0.259--0.606--519.7120.52
2013-01-31--20356.457.1----------185.6-171.24.317--0.525--2.574--441.1220.7
2013-07-22----6.356.7----------214.6-206.22.119--0.301--0.645--458.680.46
2013-10-16--12136.486.52172--12.41276220206.22-181.43.470.540.30.280.69<0.10515.212--
2014-07-15----6.46.5----------228.2-202.22.202--0.278--0.823--435.4100.49
2014-12-16----6.326.6----------225.6-1932.219--0.348--0.641--478.6140.34
2015-02-04--9716.916.5----------228.8-203.41.454--0.227--0.519--464.150.29
2015-04-20--22156.146.4----------196.6-153.82.723--0.501--1.711--396.5100.428
2015-07-28----5.976.4----------214.4-782.454--0.386--1.257--456.460.301
2015-10-08--976.56.416.7----------238-120.81.385--0.268--0.5--469.250.214
2015-11-04--8005.96.452282.77--1325224214.97-184.271.500.350.310.260.51<0.10537.417--
2015-12-16--8986.23----------------------------------
2016-01-06--1339.66.266.6----------216.8-187.63.079--0.353--1.278--641.380.36
2016-02-02--1550--6.7----------228.6-204.62.137--0.292--0.82--465.4220.267
2016-03-01--21016.076.4----------195-170.82.918--0.454--2.134--495.5180.4
2016-04-18--17705.876.5----------216.2-194.82.383--0.352--1.321--474.6120.389
2016-08-01--13996.396.7----------240-192.61.892--0.313--0.706--506.2140.329
2016-09-07--10576.026.4----------238-190.41.664--0.255--0.565--507.550.325
2016-10-04--10575.826.4----------239.2-206.61.533--0.26--0.52--527.250.216
2016-12-05--976.36.566.6----------233-185.61.86--0.249--0.506--432.850.269
2017-01-04--15815.966.8----------213.4-174.22.502--0.349--1.069--669.3120.309
2017-02-01--25576.956.2----------183-173.62.474--0.416--1.914--409.8200.34
2017-03-08--2739.9--6.2----------192.6-175.62.673--0.503--2.323--434.7140.362
2017-04-05--319576.5----------175-161.23.072--0.555--2.77--564.4100.326
2017-05-02--2307.96.336.4----------213-194.82.062--0.353--1.321--445.3100.313
2017-06-06--25576.696.4----------200.4-187.42.15--0.389--1.566--397.9140.249
2017-10-24--976.36.626.5----------234.6-2091.457--0.234--0.5--42380.251
2018-04-23M22046.086.3----12.9----185.6-168.62.312--0.482--1.989--438.650.322
2018-10-17----6.426.7----13.9----184.6-163.22.139--0.393--1.455--371.4160.396
2020-02-09M17707.536.4----11.8----192.2-172.62.616--0.423--1.877--360.1100.448
2022-08-16--526.176.6----14.3----255.8-2221.336--0.245--0.500--410.7200.214
2022-11-29--5006.257----12.3----242-2101.205--0.243--0.500--435200.050
2023-03-16M--6.176.6----13.6----211.2-1711.854--0.396--1.369--379.5200.182
2023-12-07M--6.217.4----13.1----226.8-206.61.404--0.241--0.605--443.6200.280
2024-03-06M160066.2----15----194.8-162.82.354--0.443--2.186--400.4200.267
2024-09-04E6005.756.4----------237.6-214.41.207--0.225--0.500--424.4200.238
2025-07-30M1800--6.6----15.7----229.2-2171.653--0.282--0.826--379.2200.201
Minimum:0520.236.11722.7711.81276220120-2221.2050.350.2250.260.5--360.130.050
Maximum:0319513227.42282.7715.71325224255.809.780.541.420.286.29--669.3904.19
Average:01,60333.036.552002.7713.51,301222.00206-173.72.650.450.390.271.38--477.115.00.52
Range:031431321.771.35603.9494135.82228.5750.191.1950.025.79--309.2874.14
Median:015506.256.52002.7713.351300.5222209.3-184.142.370.450.350.271.12--465.6140.39
Loading (lb/day):2680.823869.3-3350.6955.445.628.043.2931.77--

Sample Point Description: Raw Discharge to treatment system

  1. Records with no value are not included in statistical calculations.
  2. Values lower than the minimum detection limit are assumed to be 0.
  3. Average pH is calculated using the arithmetic mean of pH values. Hydronium ion concentrations were not used.
  4. This work is licensed under the Creative Commons Attribution-NonCommercial-ShareAlike License.

To view a copy of this license, visit http://creativecommons.org/licenses/by-nc-sa/2.5/ or send a letter to Creative Commons, 559 Nathan Abbott Way, Stanford, California 94305, USA.


Sample Point - TREATED

Download Sample Point Report CSV  /  Inflow: No / Outflow: Yes
Date
Method of Flow
Flow - Field (gal/min)
pH - Field (S.U.)
pH - Lab (S.U.)
ORP - Field (mvolts)
DO - Field (mg/L)
Temp - Field (C)
Cond - Lab (umhos/cm)
Alkalinity - Field (mg/L)
Alkalinity - Lab (mg/L)
Acidity - Lab (mg/L)
T. Fe - Lab (mg/L)
D. Fe - Lab (mg/L)
T. Mn - Lab (mg/L)
D. Mn - Lab (mg/L)
T. Al - Lab (mg/L)
D. Al - Lab (mg/L)
SO4 - Lab (mg/L)
TSS - Lab (mg/L)
Ferrous Iron (mg/L) Lab
2002-07-15------6.2----------11404.32--1.45--0.991--645282.78
2005-09-16------6.4----------178.8-812.82--0.413--1.34--576.2280.1
2005-10-18------6.8----------178-1121.82--0.393--1--539.330.48
2005-11-02------6.8----------180.2-1221.92--0.466--0.846--581.860.26
2008-01-14----6.76.8----------167-153.63.637--0.555--2.085--453.2140.7
2008-04-30----6.616.9----------193-169.82.648--0.447--1.309--482.8100.44
2008-07-30----6.66.9--710------207.4-190.22.201--0.364--0.776--513.760.24
2008-11-05----6.826.7----------206.6-185.63.752--0.376--1.528--549.250.17
2009-01-12------6.8----------172.6-153.22.961--0.48--1.591--445.7240.48
2009-04-28----6.376.8----------187.2-157.62.988--0.398--1.596--504.860.31
2009-07-28----13307.1----------219.2-2021.99--0.307--0.62--535.650.24
2010-01-31----6.416.9----------160.4-132.45.205--0.8--4.499--475.4220.81
2010-04-20----6.47----------208.6-183.22.838--0.433--1.362--474.8160.6
2010-07-18----6.27----------215.4-1752.197--0.339--0.831--477.7100.19
2010-10-18----6.526.9----------211-192.61.746--0.305--0.636--516.760.07
2011-01-20----6.556.9----------210.4-196.62.523--0.325--0.953--496.7180.19
2011-04-14----6.176.5----------162.6-136.84.42--0.635--2.666--430.650.93
2011-07-14----6.276.8----------225.2-192.22.374--0.319--0.82--437.7220.25
2011-10-25----6.546.5----------189.4-166.23.49--0.382--1.902--437.2160.25
2012-04-23----6.686.7----------198.6-196.41.994--0.309--0.915--428.1140.33
2012-10-22----6.667----------215.4-2001.482--0.262--0.5--442.4100.24
2013-01-31----6.777.6----------192.8-1803.92--0.497--2.199--438.1200.58
2013-07-22----6.796.9----------219.2-199.61.757--0.292--0.565--415.560.17
2013-10-16--12136.576.7251--13.91272216203.35-179.22.930.210.290.280.71<0.10515.39--
2014-12-16--207.348----------165-149.80.39--0.094--0.5--376.5180.02
2015-02-04----6.917.1----------234.2-209.40.516--0.229--0.5--448.5140.05
2015-04-20----6.716.9----------200-159.61.547--0.519--1.068--436.6120.139
2015-07-28----6.36.6----------211.8-85.61.616--0.385--0.865--481.680.138
2015-09-03--791.26.436.7----------234.6-122.60.608--0.329--0.5--510.950.061
2015-10-08----6.757.2----------233.2-161.20.408--0.264--0.5--501.950.037
2015-11-04--8006.86.932329.5714.01327219224.17-154.230.410.120.270.200.15<0.10502.3<5--
2015-12-16--10596.39----------------------------------
2016-01-06--579.96.67----------219.6-181.21.338--0.37--0.627--668.850.089
2016-02-02------7----------230.2-203.80.594--0.288--0.5--463.1120.049
2016-03-01--15466.316.8----------192-175.22.104--0.461--1.632--462.7180.148
2016-04-18--890.56.346.8----------214.6-195.21.055--0.381--0.656--482.5120.143
2016-08-01--763.86.427----------237.2-193.60.805--0.283--0.5--453.980.121
2016-09-07--8616.286.7----------235.8-184.20.445--0.245--0.5--618.750.064
2016-10-04--10576.316.9----------238.2-202.41.301--0.249--0.5--512.850.078
2016-12-05--670.17.067.1----------229.8-1850.552--0.232--0.5--392.250.073
2017-01-04--860.96.617.4----------212.8-178.61.859--0.375--0.782--454.4160.12
2017-02-01--12007.466.6----------184-178.62.161--0.439--1.692--412.8140.178
2017-03-08--700--6.5----------192.6-171.42.466--0.473--2.088--452.9120.196
2017-04-05--106466.8----------177.2-163.82.464--0.54--2.442--458.880.229
2017-05-02--2086.96.76.8----------210-199.81.693--0.363--1.114--448.760.19
2017-06-06--21487.046.6----------201-185.62.16--0.386--1.59--402.2100.198
2017-10-24--10127.556.9----------237.8-207.20.449--0.227--0.5--431.9100.066
2018-02-14--10126.596.9----------206.8-1851.586--0.325--1.209--407.660.17
2018-04-23----6.487----17.2----190.8-155.21.877--0.443--1.620--407180.170
2018-10-17----6.777----14.1----179.6-164.41.871--0.399--1.322--367.7180.259
2020-02-09----8.016.8----11.5----192.2-176.42.339--0.418--1.683--360.860.277
2022-08-16----6.276.6----13.9----247.2-220.41.873--0.247--0.625--412.8200.194
2022-11-29----6.76.6----11----243.2-2121.432--0.248--0.602--436.8200.050
2023-03-16----6.226.7----13.6----208.2-175.61.908--0.391--1.410--378.6200.177
2023-12-07----6.47.4----12.1----225-209.21.493--0.254--0.634--439.6200.266
2024-03-06----6.216.3----13.3----186.8-1602.368--0.444--2.206--390200.233
2024-09-04----6.496.5----------230.6-2150.717--0.218--0.500--422200.110
2025-07-30------6.7----------228.2-214.81.872--0.282--0.842--382200.131
Minimum:--2066.22329.57111272216114-220.40.390.120.0940.200.15--360.830.02
Maximum:--21481330825171017.21327219247.205.2050.211.450.284.499--668.8282.78
Average:--1,01733.086.85242359.7913.51,300217.50205-171.82.000.170.380.241.13--466.612.60.28
Range:--212813241.819700.436.2553133.2220.44.8150.091.3560.084.349--308252.76
Median:--951.256.586.8241.5359.7913.751299.5217.5208.2-179.21.880.170.370.240.87--453.2120.19
Loading (lb/day):2627.622573.2-2220.3919.522.114.33313.14--

Sample Point Description: Treated effluent from treatment system

  1. Records with no value are not included in statistical calculations.
  2. Values lower than the minimum detection limit are assumed to be 0.
  3. Average pH is calculated using the arithmetic mean of pH values. Hydronium ion concentrations were not used.
  4. This work is licensed under the Creative Commons Attribution-NonCommercial-ShareAlike License.

To view a copy of this license, visit http://creativecommons.org/licenses/by-nc-sa/2.5/ or send a letter to Creative Commons, 559 Nathan Abbott Way, Stanford, California 94305, USA.


Sample Point - 3

Download Sample Point Report CSV  /  Inflow: No / Outflow: No
Date
Method of Flow
Flow - Field (gal/min)
pH - Field (S.U.)
pH - Lab (S.U.)
ORP - Field (mvolts)
DO - Field (mg/L)
Temp - Field (C)
Cond - Lab (umhos/cm)
Alkalinity - Field (mg/L)
Alkalinity - Lab (mg/L)
Acidity - Lab (mg/L)
T. Fe - Lab (mg/L)
D. Fe - Lab (mg/L)
T. Mn - Lab (mg/L)
D. Mn - Lab (mg/L)
T. Al - Lab (mg/L)
D. Al - Lab (mg/L)
SO4 - Lab (mg/L)
TSS - Lab (mg/L)
Ferrous Iron (mg/L) Lab
2005-10-18------7.8----------109.2-20.40.708--0.204--0.5--343.93--
2005-11-02------7.2----------53.4-11.60.533--0.113--0.5--168.43--
2008-01-14----7.367.3----------26.8-17.40.427--0.057--0.5--50.530.09
2008-04-30----7.377.5----------43.8-28.20.499--0.07--0.5--78.850.08
2008-07-30----7.728----------99.2-86.40.987--0.098--0.5--293.850.12
2008-11-05----7.838----------137.4-124.21.141--0.15--0.5--433.750.1
2009-01-12------7.3----------34-160.488--0.066--0.5--53.980.12
2009-04-28----7.547.5----------39-34.60.477--0.063--0.5--70.8320.07
2009-07-28----7177.9----------94.8-80.60.493--0.069--0.5--312.360.06
2010-01-31----8.47----------25.8-11.20.773--0.1--0.5--48.150.13
2010-04-20----7.937.6----------54.6-36.80.833--0.081--0.5--112.4100.09
2010-07-18----7.57.9----------88.2-70.20.556--0.065--0.5--16560.07
2010-10-18----7.557.5----------64.6-51.60.522--0.092--0.5--130.650.09
2011-01-20----8.287.6----------54.8-41.80.716--0.099--0.5--115.6140.12
2011-04-14----7.737.3----------26.6-11.80.434--0.055--0.5--34.850.07
2011-07-14----7.988.1----------125.2-104.20.545--0.099--0.5--310.260.04
2011-10-25----7.667.4----------47-30.40.592--0.065--0.5--68.760.07
2012-04-23----7.827.6----------54.6-49.62.057--0.212--0.971--120.6300.14
2012-10-22----8.087.9----------77.8-65.40.479--0.082--0.5--140.150.07
2013-01-31----7.037.2----------21.6-20.20.718--0.074--0.5--24.2160.05
2013-07-22----7.847.9----------71.4-620.382--0.06--0.5--101.75--
2014-07-15----7.777.7----------73.6-64.41.24--0.089--0.761--88.210--
2015-02-04----8.17.6----------48-29.40.581--0.084--0.5--36.48--
2015-04-20----7.557.6----------36.8-16.40.556--0.063--0.5--29.65--
2015-07-28----7.297.8----------79.2-35.40.94--0.099--0.511--167.610--
2015-09-03----6.968.1----------132.4-63.40.736--0.131--0.509--276.25--
2015-10-08----8.018.3----------126.8-41.20.403--0.114--0.5--188.36--
2016-02-02------7.4----------28.4-18.80.369--0.051--0.5--27.210--
2016-03-01----7.27.5----------33.4-19.40.396--0.05--0.5--36.65--
2016-08-01----7.378.1----------103-760.658--0.1--0.5--143.814--
2016-09-07----6.468.1----------111.8-81.20.476--0.075--0.5--223.35--
2016-10-04----6.618.1----------118-990.484--0.109--0.5--174.45--
2017-01-04----5.547.2----------27.6-120.674--0.064--0.5--583.410--
2017-02-01----7.637.3----------34-27.20.605--0.061--0.5--40.45--
2017-03-08------6.4----------27.6-13.80.655--0.175--0.5--22.310--
2017-04-05----57.4----------29.8-20.40.552--0.054--0.5--36.85--
2017-06-06----7.897.6----------59.6-49.80.52--0.078--0.5--80.65--
2017-10-24----7.957.9----------95.8-74.20.476--0.118--0.5--1005--
2018-02-14----7.957.4----------29.6-11.60.302--0.05--0.5--25.65--
2018-04-23----6.87.5----13.1----29.6-20.60.330--0.050--0.500--32.65--
2018-10-17----6.697.5----12.2----36.6-18.40.830--0.063--0.500--37.7100.114
2020-02-09----9.026.8----5.4----23.2-140.404--0.050--0.500--205--
Minimum:----56.4----5.4----21.6-124.20.302--0.05--0.5--2030.04
Maximum:----7178.3----13.1----137.4-11.22.057--0.212--0.971--583.4320.14
Average:----26.667.59----10.2----63-42.40.63--0.09--0.52--132.17.90.09
Range:----7121.9----7.7----115.81131.755--0.162--0.471--563.4290.1
Median:----7.667.6----12.2----54-32.50.55--0.08--0.5--94.150.09
Loading (lb/day):------------------

Sample Point Description: Bens creek Upstream of Rock Tunnel passive system

  1. Records with no value are not included in statistical calculations.
  2. Values lower than the minimum detection limit are assumed to be 0.
  3. Average pH is calculated using the arithmetic mean of pH values. Hydronium ion concentrations were not used.
  4. This work is licensed under the Creative Commons Attribution-NonCommercial-ShareAlike License.

To view a copy of this license, visit http://creativecommons.org/licenses/by-nc-sa/2.5/ or send a letter to Creative Commons, 559 Nathan Abbott Way, Stanford, California 94305, USA.


Sample Point - 4

Download Sample Point Report CSV  /  Inflow: No / Outflow: No
Date
Method of Flow
Flow - Field (gal/min)
pH - Field (S.U.)
pH - Lab (S.U.)
ORP - Field (mvolts)
DO - Field (mg/L)
Temp - Field (C)
Cond - Lab (umhos/cm)
Alkalinity - Field (mg/L)
Alkalinity - Lab (mg/L)
Acidity - Lab (mg/L)
T. Fe - Lab (mg/L)
D. Fe - Lab (mg/L)
T. Mn - Lab (mg/L)
D. Mn - Lab (mg/L)
T. Al - Lab (mg/L)
D. Al - Lab (mg/L)
SO4 - Lab (mg/L)
TSS - Lab (mg/L)
Ferrous Iron (mg/L) Lab
2005-10-18------7.3----------148.2-80.21.56--0.315--0.781--453.63--
2005-11-02------7.1----------80-47.40.83--0.191--0.5--253.73--
2008-01-14------7.1----------48.2-37.60.938--0.134--0.531--113.140.17
2008-04-30----7.177.1----------94-83.21.385--0.22--0.715--235.850.22
2008-07-30----7.067.4----------149.2-137.41.456--0.226--0.521--398.560.21
2008-11-05----7.247.3----------168.4-153.81.453--0.241--0.571--472.150.14
2009-01-12------7.2----------58.4-30.41.11--0.162--0.642--127100.21
2009-04-28----6.937.3----------66.4-58.60.993--0.13--0.565--153.380.12
2009-07-28----10157.3----------151.4-136.21.394--0.18--0.532--404.260.18
2010-01-31----6.97----------58-402.792--0.3--1.769--157.650.26
2010-04-20----6.87.3----------105.2-78.81.184--0.182--0.684--211.7180.24
2010-07-18------7.5----------140.2-120.81.321--0.185--0.596--296.160.11
2010-10-18----7.267.3----------89.4-76.60.819--0.137--0.5--171.360.11
2011-01-20----7.17.3----------93.4-79.21.25--0.16--0.593--183.6120.14
2011-04-14----77----------42-26.80.999--0.127--0.598--100.650.17
2011-07-14----6.837.5----------166-138.61.522--0.204--0.64--373.2100.13
2011-10-25----6.967----------77.6-63.81.021--0.144--0.574--127.980.14
2012-04-23----7.367.1----------80.8-76.22.261--0.249--1.137--134.6360.17
2012-10-22----7.367.6----------108.8-94.80.914--0.126--0.5--205.980.12
2013-01-31----7.67----------32.2-29.20.788--0.106--0.536--46.8180.08
2013-07-22----6.937.3----------112.6-990.743--0.126--0.5--178.95--
2014-07-15----7.37----------114.2-99.62.989--0.15--1.66--218.512--
2015-02-04----7.777.5----------68.8-50.20.646--0.103--0.5--120.95--
2015-04-20----6.966.9----------65.4-380.945--0.155--0.644--10114--
2015-07-28----6.587----------132.2-49.81.355--0.228--0.771--281.15--
2015-09-03----6.767.2----------185-1180.779--0.231--0.5--369.810--
2015-10-08----7.227.2----------171.2-1050.395--0.186--0.5--335.46--
2016-02-02------7.2----------47.2-36.20.437--0.07--0.5--63.612--
2016-03-01----7.037.1----------64.4-530.804--0.126--0.576--1408--
2016-04-18----6.87.1----------86.4-72.60.669--0.126--0.5--162.48--
2016-08-01----6.787----------156.4-130.80.813--0.17--0.5--266.86--
2016-09-07----6.627.2----------157.8-1210.419--0.138--0.5--261.75--
2016-10-04----6.647.3----------165-138.40.639--0.173--0.5--327.95--
2017-01-04----7.057.3----------43.2-29.60.743--0.081--0.5--64.98--
2017-02-01----7.956.8----------75.6-64.61.146--0.177--0.812--165.15--
2017-03-08------6.4----------55.2-391.014--0.16--0.709--106.65--
2017-04-05----6.57----------73.4-61.81.15--0.205--0.998--251.910--
2017-06-06----7.637----------110.2-991.143--0.194--0.79--203.88--
2017-10-24----7.577.4----------141.4-117.40.531--0.155--0.5--202.65--
2018-02-14------7----------52.2-32.20.625--0.077--0.5--81.75--
2018-04-23----6.656.9----13.8----73.2-58.20.857--0.155--0.695--140.48--
2018-10-17----6.77.2----12.4----63.8-49.81.037--0.137--0.539--111.950.144
2020-02-09----8.096.8----6.7----69.6-59.61.000--0.150--0.654--118.55--
Minimum:----6.56.4----6.7----32.2-153.80.395--0.07--0.5--46.830.08
Maximum:----10157.6----13.8----185-26.82.989--0.315--1.769--472.1360.26
Average:----35.897.15----11.0----99-77.01.09--0.17--0.66--206.98.10.16
Range:----1008.51.2----7.1----152.81272.594--0.245--1.269--425.3330.18
Median:----7.037.2----12.4----86.4-72.61--0.16--0.57--178.960.14
Loading (lb/day):------------------

Sample Point Description: Bens Creek; Downstream of Rock Tunnel passive treatment system

  1. Records with no value are not included in statistical calculations.
  2. Values lower than the minimum detection limit are assumed to be 0.
  3. Average pH is calculated using the arithmetic mean of pH values. Hydronium ion concentrations were not used.
  4. This work is licensed under the Creative Commons Attribution-NonCommercial-ShareAlike License.

To view a copy of this license, visit http://creativecommons.org/licenses/by-nc-sa/2.5/ or send a letter to Creative Commons, 559 Nathan Abbott Way, Stanford, California 94305, USA.