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Laurel Run #1 Water Quality Report - 458
DateMethod of FlowFlow - 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)
2000-05-09--1404.23.18----11759--0117.887.41--0.97--9.1--269.57
2000-05-31--21043.21----11610--0101.076.22--0.82--6.48--2576
2000-06-27----4.53.13----9.5894--0158.8811.6--1.13--22.1--447.610
2000-07-21--504.43----101004--0180.410.17--1.39--13.75--378.94
2001-05-02--1544.53.13----9755--096.496.896.790.850.847.697.61322.43
2001-06-12--1284.53.11----9732--0122.48.778.5710.988.157.1283.94
2001-06-29--704.32.98----10940--0157.931.7511.71.261.2610.6510.55425.711
2001-08-08--4542.95----91036--0201.9918.117.651.591.5814.0512.3449.25
2001-10-15--35--2.99----101193--0285.7223.1522.251.931.92019748.43
2001-12-18--5254.53.74----9.3290--040.82.661.930.30.32.432.43115.52
2002-04-18--2574.33.27----10628--091.676.76.590.850.856.886.52267.54
2002-06-17--1794.53.12----10773--0168.929.349.221.081.050.320.14301.85
2005-08-15----4.42.97----101059--0196.2117.64171.641.6315.3915.22547.31
2008-07-22-- --3----------017812.01--1.32--13.7--362.15
2008-08-14-- 3.83----------0184.812.41--1.31--13.93--472.25
2008-09-18-- 3.13----------0201.216.64--1.62--18.03--389.35
2008-10-16-- 3.92.9----------0231.618.92--1.81--21.44--4595
2008-11-13-- 2.92.9----------0241.620.02--1.85--20.59--569.45
2008-12-18-- 3.23.4----------058.63.22--0.52--4.45--127.45
2009-01-22-- 3.23.2----------0112.86.1--0.94--8.89--292.26
2009-02-19-- 3.63.3----------0754.04--0.72--6.46--232.4102
2009-03-19-- 3.23.2----------0113.66.36--1.44--9.3--193.55
2009-04-16-- 2.93.2----------099.25.12--0.85--8.38--272.15
2009-05-21-- 3.13----------0121.86.99--0.98--9.65--241.85
2009-06-25-- 2.93.1----------0125.47.99--1.02--9.65--246.35
2009-07-23-- 2.73----------0165.811.65--1.26--13.24--327.75
2009-08-20-- 2.63.1----------0114.87.53--0.93--9.31--231.15
2009-09-24-- 2.93----------020614.72--1.56--16.75--375.612
2009-10-22-- 2.33.2----------0131.210.98--1.13--11.46--271.75
2009-11-19-- 2.23----------0161.811.68--1.25--13--319.15
2009-12-17-- 33.2----------097.44.17--0.81--7.34--184.35
2010-01-27-- 2.73.2----------096.45.01--0.84--7.47--208.45
2010-03-25-- 2.83.2----------096.24.95--0.85--7.83--220.45
2010-04-22-- 3.263.2----------0120.47.16--0.95--9.5--254.15
2010-05-20-- 2.73.2----------0974.37--0.74--7.12--196.210
2010-06-24-- 3.23.1----------0141.89.65--1.12--11.1--288.75
2010-07-26-- 33.2----------0116.47.66--0.84--8.79--226.210
2010-10-14-- 3.23----------021216.99--1.53--18.34--482.75
2011-01-17-- 2.9--------------------------------
2011-01-19------3.1----------0.0138.68.21--1.05--11.69--293.40
2011-04-11-- 3.63.3----------076.82.86--0.63--5.55--190.25
2011-07-27-- 2.93----------0179.812.36--1.3--14.83--341.28
2011-10-13-- 3.43.3----------091.64.2--0.8--7.69--224.55
2012-04-19-- 3.23.2----------0102.88.48--0.85--8.67--211.98
2012-07-23-- 3.13.1----------0148.48.52--1.14--12.97--281.85
2012-10-25-- 3.13----------017514.34--1.64--19.22--408.95
2013-01-17-- 3.63.3----------0722.93--0.64--5.48--171.25
2013-04-29-- 3.23.4----------0713.9--0.74--6.63--256.85
2013-10-17-- 3.53.1----------01428--1.29--12.29--326.66
2015-01-22--
4
4
3.1
3.1
----------0
0
147
147
6.37
6.37
--1.39
1.39
--12
12
--280.3
280.3
5
5
2015-04-23--
2.8
2.8
3.2
3.2
----------0
0
79.2
79.2
1.98
1.98
--0.8
0.8
--5.47
5.47
--205
205
5
5
2015-07-16-- 3.067.4----------107-26.40.51--1.18--0.69--211.66
2017-01-18-- 2.263.1----------014012.27--1.14--10.97--206.35
2017-04-26-- 2.373.2----------0956.37--0.76--6.92--201.95
2017-07-24-- 2.33.1----------0155.613.76--1--10.46--270.65
2017-10-19-- 3.54.3----------5.48.40.73--1.38--0.5--3305
2018-01-24-- 4.843.2----------0861.54--0.67--5.58--152.85
2018-04-25-- 2.683------------------------------
Minimum:  2.22.9----9290--0-26.40.511.930.30.30.320.14115.50
Maximum: 5254.847.4----111193--107285.7223.1522.251.931.922.119748.4102
Average: 163--3.13----9.8821--1.94129.838.4911.31.11.1510.318.99298.47
Range: 4902.644.5----2903--107312.1222.6420.321.631.621.7818.86632.9102
Median: 1403.23.12----10773--0122.17.479.221.031.059.47.61271.95
Loading (lb/day): --0199.2412.6313.341.561.5711.710.52

Sample Point Description: Acid Mine Discharge; Influent to the Laurel Run #1 Passive Treatment System; Prior to passive system construction, the discharge emanated from annderground mine opening and was a major pollution source to the headwaters of Laurel Run; PTS online 9/19/01. Post-construction monitoring at influent pipe to Vertical Flow Ponds; AKA 50-7 and RAW.
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 not calculated as a mean of pH values, but rather a mean of hydronium ion concentration.
4. Dissolved metals used for calculated acidity values when available. Acidities calculated from total metals may be exaggerated.
5. 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.



Laurel Run #1 Water Quality Report - 459
DateMethod of FlowFlow - 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)
2001-10-15--2077.02----151152--113.5702.62.041.181.132.440.6278512
2001-12-18--27077.16----7674--64.9600.740.290.920.870.930.1369.39
2002-04-18--116--6.6----15630--55.7800.390.20.850.811.710.53268.96
2002-06-17--13077.09----17682--71.7801.6111.131.040.310.11286.27
2005-08-15------6.66----22882--90.69-66.3931.1230.978.127.970.250.1500.241
2008-07-22-- --7.1----------143.4-1116.33--3.14--0.72--332.518
2008-08-14--767.1----------145.8-128.67.82--4.46--0.5--379.316
2008-09-18--106.76.8----------95.6-6812.86--4.43--1.05--378.720
2008-10-16--10.56.87----------109.6-86.212.14--4.17--0.5--41514
2008-11-13--96.47----------116.8-91.210.88--4.18--0.5--533.316
2008-12-18--1175.86.4----------27-90.39--0.6--2.26--156.512
2009-01-22--14054.9----------8.621.60.92--0.64--5.12--233.528
2009-02-19--12866.1----------14.61.60.58--0.44--3.17--2135
2009-03-19--575.76.4----------32.8-14.40.36--0.8--7.38--220.916
2009-04-16--6355.6----------13.25.20.48--0.52--4.81--283.222
2009-05-21--665.86.2----------29.8-100.32--0.51--4.56--241.822
2009-06-25--665.66.4----------34-17.20.41--0.6--4.74--253.318
2009-07-23--505.45.7----------15.6-4.61.13--1.33--6.48--330.620
2009-08-20--655.24.7----------7.823.40.35--0.8--6.01--215.48
2009-09-24--394.944.8----------1135.40.8--1.3--10.96--351.838
2009-10-22--585.26.3----------25.6-1.80.67--0.94--7.28--260.822
2009-11-19--6354.6----------8.453.40.83--0.92--9.32--290.410
2009-12-17--9065.9----------13.27.40.4--0.52--3.65--181.712
2010-01-27--634.85.8----------12.413.60.49--0.44--3.52--205.520
2010-03-25--665.85.6----------10.812.80.48--0.57--4.9--21612
2010-04-22--73.54.995----------923.60.51--0.6--6.01--2378
2010-05-20--695.76.4----------34.4-11.60.3--0.37--3.14--19624
2010-06-24--6066.4----------27.6-3.60.69--0.66--5.21--26126
2010-07-26--545.56.7----------43.8-19.22.54--1.31--4.79--288.826
2010-10-14--335.67.3----------132.8-119.80.89--1.49--1.66--395.65
2011-01-17--304.8--------------------------------
2011-01-19------6.9----------76.4-61.61.79--0.48--3.90--271.016
2011-04-11--396.47.2----------79-61.80.3--0.21--0.89--190.55
2011-07-27--244.256.8----------124.6-83.22.29--4.77--0.79--331.810
2011-10-13--305.57.3----------96-78.61.78--0.82--0.5--212.35
2012-04-19--185.47.6----------90.6-82.40.3--0.11--0.5--193.18
2012-07-23--216.27.7----------110.4-100.60.51--2.09--0.5--2655
2012-10-25--245.37.4----------123-118.21.17--1.34--1.25--391.28
2013-01-17--245.27.5----------75.6-64.80.35--0.29--1.36--230.28
2013-04-29--2457.5----------94.4-92.60.44--0.26--0.71--203.38
2013-10-17--35.67.2----------107.2-14.60.35--0.82--1.21--365.210
2015-01-22--48
48
5.7
5.7
6.3
6.3
----------42.8
42.8
-23.6
-23.6
1.79
1.79
--0.66
0.66
--4.55
4.55
--292.6
292.6
20
20
2015-04-23--
5.7
5.7
7.4
7.4
----------96
96
-67.8
-67.8
0.3
0.3
--0.36
0.36
--1.17
1.17
--269
269
8
8
2015-07-16-- 6.216.5----------30.6-10.78--0.88--3.77--180.918
2015-10-21--65.347----------50.4-70.36--0.64--1.81--366.814
2016-01-19-- 7.38--------------------------------
2016-04-20--665.266.8----------54.6-39.41.66--0.79--2.1--255.714
2016-07-20--215.546.9----------106.6-725.02--2.46--3.31--446.138
2017-01-18--1083.854.8----------8.445.63.89--0.69--5.02--220.86
2017-04-26--844.094.9----------10.219.23.05--0.55--4.3--218.45
2017-07-24--604.14.8----------8.424.20.32--0.32--0.5--2506
2017-10-19--155.26.9----------94-70.83.42--1.3--5.29--326.56
2018-01-24--52--6.6----------41.8-16.81.42--0.35--2.6--189.68
2018-04-25--905.396.7------------------------------
Minimum:  3.854.6----7630--7.8-128.60.30.20.110.810.250.1156.55
Maximum: 2707.387.7----221152--145.853.431.1230.978.127.9710.960.6278541
Average: 57.7--5.57----15.2804--60-30.642.526.91.32.363.130.29292.714.5
Range: 2673.533.1----15522--13818230.8230.778.017.1610.710.52628.536
Median: 545.66.68----15682--50.4-14.60.7810.791.042.60.11268.912
Loading (lb/day): --27.41-4.080.820.820.581.462.440.35

Sample Point Description: Vertical Flow Pond VFRA; AKA VFP-W; Laurel Run #1 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 not calculated as a mean of pH values, but rather a mean of hydronium ion concentration.
4. Dissolved metals used for calculated acidity values when available. Acidities calculated from total metals may be exaggerated.
5. 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.



Laurel Run #1 Water Quality Report - 460
DateMethod of FlowFlow - 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)
2001-10-15--157.57.64----1532--634.1205.143.642.142.110.890.861039.714
2001-12-18--25477.23----7780--99.1300.850.420.70.680.860.1440713
2002-04-18--141--6.8----14670--85.501.911.441.030.980.980.1286.36
2002-06-17--4977.25----17732--96.2205.824.611.271.261.310.81290.49
2005-08-15------6.52----20.5876--59.23-27.9714.7614.532.962.853.380.12564.810
2008-07-22-- --5.8----------23.8104--1.44--6.64--334.228
2008-08-14--25.5--6.3----------48.4-261.99--1.61--6.62--385.224
2008-09-18--22.574----------2.683.43.17--2.32--5.48--340.15
2008-10-16--16.56.16.8----------88.4-56.43.64--2.38--4.97--45520
2008-11-13--196.25----------11.226.63.29--2.62--6.27--511.140
2008-12-18--1085.83.9----------0350.41--0.61--3.66--130.35
2009-01-22--1105.14.2----------4.2593.86--0.72--6.02--254.58
2009-02-19--1105.63.8----------043.40.3--0.67--5.31--225.25
2009-03-19--605.63.9----------058.80.3--0.16--1.49--186.38
2009-04-16--724.75.3----------10.413.80.66--0.54--4.86--251.724
2009-05-21--726.24.9----------8.429.60.5--0.68--6.2--227.216
2009-06-25--705.46.5----------21.64.21.32--0.77--5.3--238.416
2009-07-23--555.56.2----------28.8-4.63.94--1.49--5.73--322.316
2009-08-20--635.46.8----------71.2-56.61.37--0.93--2.56--223.78
2009-09-24--216.76.8----------101.8-76.24.04--1.75--3.76--385.624
2009-10-22--285.97----------75.4-532.61--0.99--3.52--276.414
2009-11-19--395.66.7----------42.6-20.40.98--0.7--5.42--274.116
2009-12-17--1206.26----------14.480.91--0.56--3.97--189.416
2010-01-27--724.94.8----------838.41.3--0.58--4.73--173.15
2010-03-25--545.96.5----------24.4-3.20.6--0.55--3.95--227.914
2010-04-22--365.966.4----------25.2-2.60.81--0.61--4.91--246.424
2010-05-20--566.26.4----------32.6-8.40.87--0.49--3.66--203.626
2010-06-24--366.36.6----------44.2-19.62.71--0.94--4.22--266.512
2010-07-26--425.27.2----------94-75.65.07--2.08--2.19--314.718
2010-10-14--19.56.27.1----------118.4-98.63.74--2.94--2.55--384.18
2011-01-17--526.3--------------------------------
2011-01-19------5.4----------129.81.94--0.66--6.67--279.728
2011-04-11--696.36.2----------28-5.21.03--0.36--3.67--189.65
2011-07-27--276.16.6----------88.2-4512.67--2.55--2.24--366.922
2011-10-13--4266.6----------54.4-34.40.99--0.69--2.87--208.68
2012-04-19--335.86.2----------28-14.81.65--0.46--3.92--212.312
2012-07-23--216.57.2----------97.4-84.25.23--2.77--1.21--28012
2012-10-25--216.17.2----------106.6-105.86.68--3.38--2.83--360.724
2013-01-17--425.47.2----------38.4-25.40.6--0.61--3.35--305.414
2013-04-29--275.66.8----------46.8-40.40.3--0.49--2.58--202.912
2013-10-17--216.37.2----------117.2-49.20.31--0.27--0.82--337.55
2015-01-22--45
45
6.3
6.3
7
7
----------97.8
97.8
-79
-79
0.3
0.3
--0.23
0.23
--1.29
1.29
--303
303
14
14
2015-04-23--
5.9
5.9
7.6
7.6
----------106.4
106.4
-79
-79
0.3
0.3
--0.09
0.09
--0.5
0.5
--237
237
5
5
2015-07-16-- 6.963.2----------075.81.77--0.75--4.8--126.55
2015-10-21--125.837.2----------103.6-65.21.44--2.88--2.17--418.126
2016-01-19-- 7.1--------------------------------
2016-04-20--965.637----------66.2-520.47--0.25--2.16--263.48
2016-07-20--186.227.2----------159.8-130.82.66--2.55--0.5--525.422
2017-01-18--755.046.5----------38.6-24.81.68--0.62--3.26--230.28
2017-04-26--565.427.2----------102-91.20.3--0.13--0.75--247.45
2017-07-24--205.587.5----------138.8-123.60.4--0.8--0.5--288.75
2018-01-24--80--7.2----------68-44.61.24--0.35--0.7--168.98
2018-04-25--875.386.6------------------------------
Minimum:  4.73.2----732--0-130.80.30.420.090.680.50.1126.55
Maximum: 2547.57.64----20.5876--634.1283.414.7614.533.382.856.670.861039.740
Average: 55.7--4.62----14.7618--68.78-24.732.374.931.121.583.270.41302.113.8
Range: 2422.84.44----13.5844--634.12214.214.4614.113.292.176.170.76913.235
Median: 455.966.6----15732--51.4-22.61.343.640.71.263.370.14275.312.5
Loading (lb/day): --35.41-6.161.111.770.561.212.110.31

Sample Point Description: Vertical Flow Pond VFRB; AKA VFP-E; LAUREL RUN #1
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 not calculated as a mean of pH values, but rather a mean of hydronium ion concentration.
4. Dissolved metals used for calculated acidity values when available. Acidities calculated from total metals may be exaggerated.
5. 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.



Laurel Run #1 Water Quality Report - 461
DateMethod of FlowFlow - 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)
2001-10-15--357.77.68----202713--487.1903.352.592.182.041.140.561180.513
2001-12-18--52477.37----6.8730--82.0800.840.230.820.770.990.11374.99
2002-04-18--25777.07----21640--70.9200.620.040.830.750.790.12279.13
2002-06-17--17977.65----24708--93.7101.160.090.950.890.970.27328.79
2005-08-15----77.21----248646966.01-51.810.10.092.642.530.070.05457.21
2005-08-17------7.0----------52.4-1.43.94--1.8--0----2
2005-09-27------6.7----------59.687.07.89--2.1--0----24
2005-11-02------6.8----------38.814.21.88--1.0--0----26
2005-12-14------6.9----------31.817.61.05--0.8--0----3.9
2006-01-10------6.7----------18.230.60.44--0.6--0--176.30
2006-02-09------6.7----------20.629.20.60--0.6--0.7--160.40
2006-03-15------6.6----------16.63.40.59--0.5--0--116.40
2006-05-11------6.8----------32.0-16.42.50--0.4--0--210.00
2006-06-08------6.5----------28.2-14.20.34--0.5--0----2
2006-07-27------6.6----------48.6-34.80.30--0.4--0----2
2006-08-23------6.5----------41.2-25.61.33--0.9--0.4----2
2006-09-22------7.5----------40.0-6.40.41--0.4--0----6
2006-10-18------6.9----------20.6-0.60.44--0.7--0.3----0
2006-11-17------5.9----------9.26.00.64--0.5--0.6----8
2006-12-13------7.0----------23.629.60.47--0.7--1.2----10
2007-01-10------6.1----------9.244.81.09--0.5--1.4----6
2007-02-13------7.0----------22.6-5.80.45--0.6--1.3----12
2007-03-12------6.6----------11.4-2.80.39--0.4--0.8----10
2007-04-13------6.8----------15.837.20.28--0.5--0.7----0
2008-07-22-- --6.8----------32.6-9.80.3--2.01--0.5--335.35
2008-08-14-- 66.9----------42-300.3--1.32--0.5--373.65
2008-09-18-- 7.27----------58.6-410.3--1.31--0.5--377.710
2008-10-16-- 6.37.4----------85.2-60.61.04--1.24--1.59--405.95
2008-11-13-- 6.77.4----------85.2-66.20.3--1.03--0.5--504.45
2008-12-18-- 6.56.8----------30.8-13.20.3--0.55--0.5--145.56
2009-01-22-- 5.45.1----------8.812.60.3--0.68--1.99--256.712
2009-02-19-- 5.66.6----------14.8-1.80.9--0.53--4.76--159.96
2009-03-19-- 5.35.9----------14.42.20.3--0.59--0.5--221.75
2009-04-16-- 5.36----------10.4-0.20.3--0.58--0.56--290.16
2009-05-21-- 6.26.3----------19.6-4.60.3--0.6--0.5--229.65
2009-06-25-- 5.75.8----------15.6-100.36--0.84--0.92--220.45
2009-07-23-- 5.86.6----------24-10.40.3--1.47--0.5--319.55
2009-08-20-- 5.87----------41.8-29.20.3--0.44--0.5--2145
2009-09-24-- 6.796.4----------30.2-15.20.37--0.89--1.03--340.38
2009-10-22-- 6.27.1----------34.4-19.60.3--0.39--0.5--268.35
2009-11-19-- 5.86.6----------19-5.60.3--0.44--0.56--262.95
2009-12-17-- 6.57----------21.2-2.80.3--0.42--0.91--1946
2010-01-27-- 5.86.6----------166.40.77--0.45--3.75--193.414
2010-03-25-- 6.46.7----------18.4-4.60.3--0.62--0.5--2165
2010-04-22-- 6.266.5----------18.2-2.20.3--0.61--0.6--240.36
2010-05-20-- 6.66.6----------30.4-80.3--0.35--0.5--200.810
2010-06-24-- 6.97----------43.2-250.3--0.99--0.5--277.45
2010-07-26-- 5.87.3----------73-56.20.5--1.76--0.5--298.212
2010-10-14-- 6.77.5----------116.6-149.41.03--1.81--1.05--362.75
2011-01-17-- 6.9--------------------------------
2011-01-19------7.0----------7-28.60.42--0.46--1.66--275.66
2011-04-11-- 6.67----------43.8-30.40.3--0.14--0.5--211.25
2011-07-27-- 6.497----------85.4-50.40.76--2.08--0.6--330.710
2011-10-13-- 6.37.4----------77.2-650.3--0.22--0.5--167.45
2012-04-19-- 5.97.2----------60.2-570.3--0.32--0.52--230.514
2012-07-23-- 6.87.3----------101.2-950.3--1.16--0.5--263.15
2012-10-25-- 6.57.7----------113.4-122.20.48--1.55--0.5--311.26
2013-01-17-- 5.77.5----------52.2-43.20.3--0.25--0.5--227.45
2013-04-29-- 5.97.5----------67.2-62.60.3--0.21--0.5--180.65
2013-10-17-- 6.87.4----------112.2-70.80.3--0.31--0.5--330.55
2015-01-22--
6.5
6.5
7.1
7.1
----------62.6
62.6
-47.2
-47.2
0.3
0.3
--0.41
0.41
--0.5
0.5
--294.4
294.4
5
5
2015-04-23--
6.2
6.2
7.4
7.4
----------60.4
60.4
-34.6
-34.6
0.3
0.3
--0.3
0.3
--0.5
0.5
--232
232
5
5
2015-07-16-- 7.057.4----------65.4-24.20.3--0.58--0.5--186.35
2015-10-21-- 6.237.3----------77-440.3--0.38--0.5--396.26
2016-04-20-- 6.187.2----------59.4-50.60.3--0.61--0.5--226.55
2016-07-20-- 6.657.4----------123.8-104.61.93--7.41--1.63--418.930
2017-01-18-- 5.486.8----------41-27.60.83--0.65--1.18--229.65
2017-04-26-- 5.956.9----------46.2-33.60.3--0.49--0.5--222.75
2017-07-24-- 6.047.3----------72.2-590.3--0.52--0.5--256.45
2017-10-19-- 5.857.2----------62.4-52.80.3--0.29--0.5--321.25
2018-01-24-- 5.777.4----------57.6-36.20.3--0.25--0.5--177.66
2018-04-25-- 5.916.9------------------------------
Minimum:  5.35.1----6.8640697-149.40.10.040.140.7500.05116.40
Maximum: 5247.77.7----24271369487.1987.07.892.597.412.534.760.561180.530
Average: 248.8--6.51----19.211316952.99-22.580.710.610.871.40.70.22284.46.6
Range: 4892.42.6----17.220730480.19236.47.792.557.281.784.760.511064.130
Median: 2186.267----217306941.9-15.80.30.090.590.890.50.12256.75
Loading (lb/day): --285.1902.770.712.672.482.810.47

Sample Point Description: Final Effluent from LAUREL RUN #1 treatment system and effluent of wetland; AKA WL
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 not calculated as a mean of pH values, but rather a mean of hydronium ion concentration.
4. Dissolved metals used for calculated acidity values when available. Acidities calculated from total metals may be exaggerated.
5. 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.