Standard Water Quality Report
Download Raw Water Quality Data CSVSample Point - 472 |
Sample Point Description:
Raw mine discharge into Laurel Run #2 system. (Also identified as LR2)
- Records with no value are not included in statistical calculations.
- Values lower than the minimum detection limit are assumed to be 0.
- Average pH is calculated using the arithmetic mean of pH values. Hydronium ion concentrations were not used.
- 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 - 473 |
Sample Point Description:
Water leaving vertical flow pond A. (Also identified as VFRA.)
- Records with no value are not included in statistical calculations.
- Values lower than the minimum detection limit are assumed to be 0.
- Average pH is calculated using the arithmetic mean of pH values. Hydronium ion concentrations were not used.
- 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 - 474 |
Sample Point Description:
Water leaving vertical flow reactor B. (Also indentified as VFRB.)
- Records with no value are not included in statistical calculations.
- Values lower than the minimum detection limit are assumed to be 0.
- Average pH is calculated using the arithmetic mean of pH values. Hydronium ion concentrations were not used.
- 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 - 475 |
Sample Point Description:
Treatment system effluent. (Also identified as Outlet.)
- Records with no value are not included in statistical calculations.
- Values lower than the minimum detection limit are assumed to be 0.
- Average pH is calculated using the arithmetic mean of pH values. Hydronium ion concentrations were not used.
- 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 - 471 |
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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2018-07-24 | -- | -- | 7.36 | 7.8 | -- | -- | 18.4 | -- | -- | 54.6 | -43 | 0.300 | -- | 0.125 | -- | 0.500 | -- | 357.6 | 5 | 0.030 |
| 2018-10-25 | -- | -- | 7 | 6.9 | -- | -- | 6.6 | -- | -- | 15.8 | 3.4 | 3.230 | -- | 1.952 | -- | 1.974 | -- | 232.5 | 12 | -- |
| 2019-02-13 | -- | -- | 6.61 | 6.1 | -- | -- | 2.4 | -- | -- | 9.2 | 4.8 | 0.768 | -- | 0.453 | -- | 0.735 | -- | 71.8 | 8 | 0.098 |
| 2019-11-13 | -- | -- | 6.92 | 7.2 | -- | -- | -- | -- | -- | 30.4 | -11.6 | 0.356 | -- | 2.030 | -- | 0.500 | -- | 284.9 | 14 | 0.268 |
| Minimum: | -- | -- | 6.61 | 6.1 | -- | -- | 2.4 | -- | -- | 9.2 | -43 | 0.300 | -- | 0.125 | -- | 0.500 | -- | 71.8 | 5 | 0.030 |
| Maximum: | -- | -- | 7.36 | 7.8 | -- | -- | 18.4 | -- | -- | 54.6 | 4.8 | 3.230 | -- | 2.030 | -- | 1.974 | -- | 357.6 | 14 | 0.268 |
| Average: | -- | -- | 6.97 | 7.00 | -- | -- | 9.1 | -- | -- | 28 | -11.6 | 1.16 | -- | 1.14 | -- | 0.93 | -- | 236.7 | 9.8 | 0.13 |
| Range: | -- | -- | 0.75 | 1.7 | -- | -- | 16 | -- | -- | 45.4 | 47.8 | 2.93 | -- | 1.905 | -- | 1.474 | -- | 285.8 | 9 | 0.238 |
| Median: | -- | -- | 6.96 | 7.05 | -- | -- | 6.6 | -- | -- | 23.1 | -4.1 | 0.56 | -- | 1.2 | -- | 0.62 | -- | 258.7 | 10 | 0.1 |
| Loading (lb/day): | -- | -- | -- | -- | -- | -- | -- | -- | -- |
Sample Point Description:
Laurel Run sampled above treatment system. (Also identified as LR1)
- Records with no value are not included in statistical calculations.
- Values lower than the minimum detection limit are assumed to be 0.
- Average pH is calculated using the arithmetic mean of pH values. Hydronium ion concentrations were not used.
- 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 - 476 |
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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2018-07-24 | -- | -- | 7.13 | 7 | -- | -- | 18.2 | -- | -- | 30.4 | -17.2 | 1.752 | -- | 1.876 | -- | 0.500 | -- | 681.2 | 5 | 0.093 |
| 2018-10-25 | -- | -- | 7.12 | 6.8 | -- | -- | 7.1 | -- | -- | 17 | 3.6 | 4.050 | -- | 2.096 | -- | 1.311 | -- | 253.7 | 5 | -- |
| 2019-02-13 | -- | -- | 6.6 | 6.1 | -- | -- | 2.2 | -- | -- | 9.4 | 8.2 | 1.247 | -- | 0.639 | -- | 0.786 | -- | 83.2 | 12 | 0.409 |
| 2019-11-13 | -- | -- | 6.96 | 6.9 | -- | -- | -- | -- | -- | 24.8 | -0.6 | 1.787 | -- | 2.492 | -- | 0.500 | -- | 311.2 | 6 | 1.563 |
| Minimum: | -- | -- | 6.6 | 6.1 | -- | -- | 2.2 | -- | -- | 9.4 | -17.2 | 1.247 | -- | 0.639 | -- | 0.500 | -- | 83.2 | 5 | 0.093 |
| Maximum: | -- | -- | 7.13 | 7 | -- | -- | 18.2 | -- | -- | 30.4 | 8.2 | 4.050 | -- | 2.492 | -- | 1.311 | -- | 681.2 | 12 | 1.563 |
| Average: | -- | -- | 6.95 | 6.70 | -- | -- | 9.2 | -- | -- | 20 | -1.5 | 2.21 | -- | 1.78 | -- | 0.77 | -- | 332.3 | 7.0 | 0.69 |
| Range: | -- | -- | 0.53 | 0.9 | -- | -- | 16 | -- | -- | 21 | 25.4 | 2.803 | -- | 1.853 | -- | 0.811 | -- | 598 | 7 | 1.47 |
| Median: | -- | -- | 7.04 | 6.85 | -- | -- | 7.1 | -- | -- | 20.9 | 1.5 | 1.77 | -- | 1.99 | -- | 0.64 | -- | 282.45 | 5.5 | 0.41 |
| Loading (lb/day): | -- | -- | -- | -- | -- | -- | -- | -- | -- |
Sample Point Description:
Laurel Run below treatment system. (Also indentified as LR3.)
- Records with no value are not included in statistical calculations.
- Values lower than the minimum detection limit are assumed to be 0.
- Average pH is calculated using the arithmetic mean of pH values. Hydronium ion concentrations were not used.
- 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.