Water Quality Report


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Grand Tunnel Discharge Water Quality Report - GT Source

Export Sample Point Report  /  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
2006-10-07----44----10--------------------------
2006-10-20----44----10--------------------------
2006-11-04----44----10.6--------------------------
2006-11-15----44----11.1--------------------------
2006-12-03----44----10--------------------------
2006-12-23----44----9.7--------------------------
2007-01-13----3.244----7.8--------------------------
2007-02-10----3.23.2----7.8--------------------------
2007-02-25----3.323.32----8.3--------------------------
2007-03-10----3.493.49----8.9--------------------------
2007-03-18----3.413.41----8.3--------------------------
2007-04-01----3.73.7----8.3--------------------------
2007-04-22----3.313.31----9.4--------------------------
2007-05-06----3.273.27----9.7--------------------------
2007-05-21----3.33.3----10--------------------------
2007-06-03----3.423.42----11.7--------------------------
2007-06-27----3.343.34----18.9--------------------------
2007-07-08----3.333.33----12.2--------------------------
2007-08-05----3.583.58----24.4--------------------------
2007-08-31----3.273.27----15.6--------------------------
2007-10-07----3.213.21----21.2--------------------------
2007-12-09----3.433.43----10--------------------------
2008-01-21----3.53.5----6.7--------------------------
2008-04-09--103.54.5----98.8--------------------------
2008-09-04--49.54.5------13.8--------------------------
2008-12-12--331.24.1------9.4--------------------------
2009-04-08--153.34.5----96.7--------------------------
Minimum:--49.53.23.2--96.7--------------------------
Maximum:--331.24.54--924.4--------------------------
Average:--1593.663.57--9.0011.1--------------------------
Range:--281.71.30.8--017.7--------------------------
Median:--128.43.493.43--910--------------------------
Loading (lb/day):------------------

Sample Point Description: Monitoring point is at the origin of the discharge, a wooden barrel pipe that comes out of the ground. The discharge is confined to a rock lined drainage swale.

  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.