Standard Water Quality Report
Download Raw Water Quality Data CSVSample Point - HB(source) |
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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2009-09-16 | -- | 18 | 5.54 | 5.82 | -- | -- | 9.1 | 1454 | 44.0 | 40.11 | 281.19 | 165.00 | -- | 28.25 | -- | 0.18 | -- | 827.0 | 13 | -- |
| 2010-04-20 | -- | 10 | 5.74 | 5.84 | -- | -- | 9.2 | 1484 | 40.0 | 40.50 | 223.64 | 178.00 | -- | 27.37 | -- | 0.04 | -- | 951.1 | 1 | -- |
| 2012-05-03 | -- | 30 | 5.87 | 6 | -- | -- | 10.3 | 1502 | 64 | 34.35 | 305.07 | 162 | -- | 33.35 | -- | 0.35 | -- | 924.7 | 6 | -- |
| 2015-05-01 | -- | -- | 5.46 | 5.47 | -- | -- | 11 | 1481 | 41 | 40.97 | 269.15 | 112 | -- | 24.28 | -- | 0.16 | -- | 795.3 | <5 | -- |
| 2018-05-09 | -- | -- | 5.65 | 5.52 | -- | -- | 10.8 | 1469 | 31 | 33.57 | 256.11 | 137 | -- | 26.14 | -- | 0.19 | -- | 838.2 | <5 | -- |
| 2018-06-19 | -- | -- | 6.27 | 5.9 | -- | -- | 15.9 | 1403 | 176 | 127.59 | 148.26 | 147 | -- | 27.07 | -- | <0.10 | -- | 783.9 | 14 | -- |
| 2020-05-21 | -- | -- | 5.73 | 5.72 | -- | -- | 10.3 | 1300 | 46 | 44.67 | 243.49 | 151.55 | -- | 20.33 | -- | 0.12 | -- | 547.4 | <5 | -- |
| 2023-05-09 | -- | -- | 5.5 | 5.65 | -- | -- | 11 | 1272 | 56 | 31.01 | 246.17 | 165.34 | -- | 23.4 | -- | 0.34 | -- | 570.8 | 57 | -- |
| Minimum: | -- | 10 | 5.46 | 5.47 | -- | -- | 9.1 | 1272 | 31 | 31.01 | 148.26 | 112 | -- | 20.33 | -- | 0.04 | -- | 547.4 | 1 | -- |
| Maximum: | -- | 30 | 6.27 | 6 | -- | -- | 15.9 | 1502 | 176 | 127.59 | 305.07 | 178.00 | -- | 33.35 | -- | 0.35 | -- | 951.1 | 57 | -- |
| Average: | -- | 19 | 5.72 | 5.74 | -- | -- | 11.0 | 1,421 | 62.25 | 49 | 246.6 | 152.24 | -- | 26.27 | -- | 0.20 | -- | 779.8 | 18.2 | -- |
| Range: | -- | 20 | 0.81 | 0.53 | -- | -- | 6.8 | 230 | 145 | 96.58 | 156.81 | 66 | -- | 13.02 | -- | 0.31 | -- | 403.7 | 56 | -- |
| Median: | -- | 18 | 5.69 | 5.77 | -- | -- | 10.55 | 1461.5 | 45 | 40.31 | 251.14 | 156.78 | -- | 26.61 | -- | 0.18 | -- | 811.15 | 13 | -- |
| Loading (lb/day): | 12.47 | 8.64 | 65.91 | 38.5 | -- | 7.14 | -- | 0.06 | -- |
Sample Point Description: Abandoned Mine Drainage; Influent to ALD1
- 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 - HB Source 2 |
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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2023-05-09 | Measured | 28 | 5.77 | 5.97 | -- | -- | 10 | 1207 | 60 | 7.26 | 200.5 | 142.25 | -- | 19.05 | -- | 0.34 | -- | 510.3 | <5 | -- |
| Minimum: | 0 | 28 | 5.77 | 5.97 | -- | -- | 10 | 1207 | 60 | 7.26 | 200.5 | 142.25 | -- | 19.05 | -- | 0.34 | -- | 510.3 | -- | -- |
| Maximum: | 0 | 28 | 5.77 | 5.97 | -- | -- | 10 | 1207 | 60 | 7.26 | 200.5 | 142.25 | -- | 19.05 | -- | 0.34 | -- | 510.3 | -- | -- |
| Average: | 0 | 28 | 5.77 | 5.97 | -- | -- | 10.0 | 1,207 | 60.00 | 7 | 200.5 | 142.25 | -- | 19.05 | -- | 0.34 | -- | 510.3 | -- | -- |
| Range: | 0 | 0 | 0 | 0 | -- | -- | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | -- | 0 | -- | 0 | -- | -- |
| Median: | 0 | 28 | 5.77 | 5.97 | -- | -- | 10 | 1207 | 60 | 7.26 | 200.5 | 142.25 | -- | 19.05 | -- | 0.34 | -- | 510.3 | -- | -- |
| Loading (lb/day): | 20.19 | 2.44 | 67.48 | 47.88 | -- | 6.41 | -- | 0.11 | -- |
Sample Point Description:
Second source into the system. Monitoring of this sample point started May 2023.
- 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 - HB(ALD1dis) |
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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2009-09-16 | -- | 18 | 6.12 | 6.31 | -- | -- | 14.0 | 1512 | 160.0 | 156.57 | -169.04 | 152.00 | -- | 28.06 | -- | 0.12 | -- | 903.7 | 63 | -- |
| 2010-04-20 | -- | 10 | 6.2 | 6.53 | -- | -- | 10.3 | 1600 | 190.0 | 151.25 | 109.56 | 209.00 | -- | 26.34 | -- | 0.04 | -- | 1011.7 | 1 | -- |
| 2012-05-03 | -- | -- | 6 | 6.24 | -- | -- | 10.1 | 1529 | 175 | 84.35 | 183.08 | 69.27 | -- | 31 | -- | 0.35 | -- | 982.8 | 41 | -- |
| 2015-05-01 | -- | -- | 6.05 | 5.98 | -- | -- | 10.2 | 1575 | 165 | 142.4 | 151.84 | 124 | -- | 36.93 | -- | <0.10 | -- | 754.4 | 27 | -- |
| 2018-05-09 | -- | -- | 6.2 | 5.67 | -- | -- | 10.8 | 1505 | 142 | 112.1 | 145.07 | 138 | -- | 25.81 | -- | <0.10 | -- | 879.3 | 17 | -- |
| 2018-06-19 | -- | -- | 6.05 | 5.19 | -- | -- | 18.4 | 1336 | 40 | 15.37 | 259.3 | 152 | -- | 28.04 | -- | <0.10 | -- | 783.9 | 205 | -- |
| 2020-05-21 | -- | 24 | 6.39 | 6.34 | -- | -- | 10.6 | 1339 | 172 | 170.88 | 94.76 | 137.62 | -- | 18.19 | -- | <0.10 | -- | 736.0 | 16 | -- |
| 2023-05-09 | -- | 21 | 6.13 | 6.5 | -- | -- | 10 | 1336 | 196 | 17.85 | 89.76 | 121.21 | -- | 20.38 | -- | 0.22 | -- | 501.9 | 13 | -- |
| Minimum: | -- | 10 | 6 | 5.19 | -- | -- | 10 | 1336 | 40 | 15.37 | -169.04 | 69.27 | -- | 18.19 | -- | 0.04 | -- | 501.9 | 1 | -- |
| Maximum: | -- | 24 | 6.39 | 6.53 | -- | -- | 18.4 | 1600 | 196 | 170.88 | 259.3 | 209.00 | -- | 36.93 | -- | 0.35 | -- | 1011.7 | 205 | -- |
| Average: | -- | 18 | 6.14 | 6.10 | -- | -- | 11.8 | 1,467 | 155.00 | 106 | 108.0 | 137.89 | -- | 26.84 | -- | 0.18 | -- | 819.2 | 47.9 | -- |
| Range: | -- | 14 | 0.39 | 1.34 | -- | -- | 8.4 | 264 | 156 | 155.51 | 428.34 | 139.73 | -- | 18.74 | -- | 0.31 | -- | 509.8 | 204 | -- |
| Median: | -- | 19.5 | 6.13 | 6.28 | -- | -- | 10.45 | 1508.5 | 168.5 | 127.25 | 127.32 | 137.81 | -- | 27.19 | -- | 0.17 | -- | 831.6 | 22 | -- |
| Loading (lb/day): | 39.14 | 26.46 | 6.65 | 32.08 | -- | 4.91 | -- | 0.03 | -- |
Sample Point Description: Effluent of ALD1
- 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 - HB(NEW)SAP2L |
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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2009-09-16 | -- | 8 | 6.12 | 6.65 | -- | -- | 20.3 | 1378 | 92.0 | 93.99 | -8.84 | 17.52 | -- | 19.15 | -- | 0.09 | -- | 766.8 | 32 | -- |
| 2010-04-20 | -- | 5.0 | 6.1 | 6.56 | -- | -- | 13.1 | 1324 | 40.0 | 39.85 | -9.21 | 10.33 | -- | 0.02 | -- | 0.04 | -- | 824.9 | 14 | -- |
| 2012-05-03 | -- | 2.5 | 6.52 | 7.17 | -- | -- | 13.5 | 1337 | 80 | 77.65 | -44.97 | 7.05 | -- | 20.01 | -- | <0.04 | -- | 776.2 | 10 | -- |
| 2015-05-01 | -- | 2 | 6.58 | 6.41 | -- | -- | 11.4 | 1331 | 109 | 89.19 | -26.83 | 17.35 | -- | 15.68 | -- | <0.10 | -- | 672.5 | 11 | -- |
| 2018-05-09 | -- | 12 | 6.75 | 6.74 | -- | -- | 16.1 | 1301 | 90 | 83.26 | -59.3 | 7.02 | -- | 15.76 | -- | <0.10 | -- | 696.9 | 7 | -- |
| 2023-05-09 | Measured | -- | 6.41 | 6.6 | -- | -- | 14.4 | 1086 | 40 | 28.4 | -14.89 | 0.75 | -- | 16.53 | -- | 0.33 | -- | 515.9 | <5 | -- |
| Minimum: | 0 | 2 | 6.1 | 6.41 | -- | -- | 11.4 | 1086 | 40.0 | 28.4 | -59.3 | 0.75 | -- | 0.02 | -- | 0.04 | -- | 515.9 | 7 | -- |
| Maximum: | 0 | 12 | 6.75 | 7.17 | -- | -- | 20.3 | 1378 | 109 | 93.99 | -8.84 | 17.52 | -- | 20.01 | -- | 0.33 | -- | 824.9 | 32 | -- |
| Average: | 0 | 6 | 6.41 | 6.69 | -- | -- | 14.8 | 1,293 | 75.17 | 69 | -27.3 | 10.00 | -- | 14.53 | -- | 0.15 | -- | 708.9 | 14.8 | -- |
| Range: | 0 | 10 | 0.65 | 0.76 | -- | -- | 8.9 | 292 | 69 | 65.59 | 50.46 | 16.77 | -- | 19.99 | -- | 0.29 | -- | 309 | 25 | -- |
| Median: | 0 | 5 | 6.47 | 6.63 | -- | -- | 13.95 | 1327.5 | 85 | 80.46 | -20.86 | 8.69 | -- | 16.15 | -- | 0.09 | -- | 731.85 | 11 | -- |
| Loading (lb/day): | 5.85 | 5.58 | -4.95 | 0.79 | -- | 1.02 | -- | 0.01 | -- |
Sample Point Description: Effluent of left pipe of the new SAPS 2
- 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 - HB(NEW)SAP2R |
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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2009-09-16 | -- | 10 | 6.23 | 6.75 | -- | -- | 20.4 | 1385 | 79.0 | 98.72 | -28.54 | 5.22 | -- | 19.15 | -- | 0.11 | -- | 766.8 | 7 | -- |
| 2010-04-20 | -- | 10 | 6.4 | 7.17 | -- | -- | 13.4 | 1382 | 77.0 | 83.68 | -56.84 | 6.36 | -- | 17.48 | -- | 0.04 | -- | 749.2 | 7 | -- |
| 2012-05-03 | -- | 32 | 6.25 | 7.28 | -- | -- | 14.1 | 1369 | 100 | 92.93 | -60.1 | 1.86 | -- | 23.76 | -- | 0.44 | -- | 814.9 | <5 | -- |
| 2015-05-01 | -- | 15 | 6.52 | 6.7 | -- | -- | 12.5 | 1307 | 92 | 71.99 | -43.89 | 1.9 | -- | 17.31 | -- | <0.10 | -- | 590.6 | <5 | -- |
| 2018-05-09 | -- | 2 | 6.68 | 6.76 | -- | -- | 13.4 | 1280 | 104 | 70.72 | -53.13 | 15.28 | -- | 13.38 | -- | <0.10 | -- | 626.3 | 24 | -- |
| 2020-05-21 | -- | 4 | 6.83 | 6.47 | -- | -- | 12.5 | 1182 | 112 | 84.77 | -55.36 | 11.98 | -- | 12.38 | -- | <0.10 | -- | 588.5 | 21 | -- |
| Minimum: | -- | 2 | 6.23 | 6.47 | -- | -- | 12.5 | 1182 | 77.0 | 70.72 | -60.1 | 1.86 | -- | 12.38 | -- | 0.04 | -- | 588.5 | 7 | -- |
| Maximum: | -- | 32 | 6.83 | 7.28 | -- | -- | 20.4 | 1385 | 112 | 98.72 | -28.54 | 15.28 | -- | 23.76 | -- | 0.44 | -- | 814.9 | 24 | -- |
| Average: | -- | 12 | 6.49 | 6.86 | -- | -- | 14.4 | 1,318 | 94.00 | 84 | -49.6 | 7.10 | -- | 17.24 | -- | 0.20 | -- | 689.4 | 14.8 | -- |
| Range: | -- | 30 | 0.6 | 0.81 | -- | -- | 7.9 | 203 | 35 | 28 | 31.56 | 13.42 | -- | 11.38 | -- | 0.4 | -- | 226.4 | 17 | -- |
| Median: | -- | 10 | 6.46 | 6.76 | -- | -- | 13.4 | 1338 | 96 | 84.23 | -54.25 | 5.79 | -- | 17.4 | -- | 0.11 | -- | 687.75 | 14 | -- |
| Loading (lb/day): | 13.61 | 12.74 | -7.54 | 0.57 | -- | 2.93 | -- | 0.06 | -- |
Sample Point Description: Effluent of right pipe of new SAPS 2
- 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 - HB(SAP2spillway) |
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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2015-05-01 | -- | -- | 3.1 | 3.06 | -- | -- | 16.8 | 1469 | 0 | 0 | 139.57 | 0.28 | -- | 19.75 | -- | <0.10 | -- | 672.5 | 25 | -- |
| 2018-05-09 | -- | -- | 3.15 | 2.96 | -- | -- | 20.8 | 1504 | 0 | 0 | 153.63 | 38.09 | -- | 20.96 | -- | <0.10 | -- | 702.8 | <5 | -- |
| 2020-05-21 | -- | -- | 3.26 | 3.33 | -- | -- | 16.2 | 1242 | 0 | ND | 109.73 | 27.07 | -- | 16.95 | -- | <0.10 | -- | 654.3 | <5 | -- |
| Minimum: | -- | -- | 3.1 | 2.96 | -- | -- | 16.2 | 1242 | 0 | 0 | 109.73 | 0.28 | -- | 16.95 | -- | -- | -- | 654.3 | 25 | -- |
| Maximum: | -- | -- | 3.26 | 3.33 | -- | -- | 20.8 | 1504 | 0 | 0 | 153.63 | 38.09 | -- | 20.96 | -- | -- | -- | 702.8 | 25 | -- |
| Average: | -- | -- | 3.17 | 3.12 | -- | -- | 17.9 | 1,405 | 0 | 0 | 134.3 | 21.81 | -- | 19.22 | -- | -- | -- | 676.5 | 25.0 | -- |
| Range: | -- | -- | 0.16 | 0.37 | -- | -- | 4.6 | 262 | 0 | 0 | 43.9 | 37.81 | -- | 4.01 | -- | -- | -- | 48.5 | 0 | -- |
| Median: | -- | -- | 3.15 | 3.06 | -- | -- | 16.8 | 1469 | 0 | 0 | 139.57 | 27.07 | -- | 19.75 | -- | -- | -- | 672.5 | 25 | -- |
| Loading (lb/day): | -- | -- | -- | -- | -- | -- | -- | -- | -- |
Sample Point Description: SAP 2 Spillway
- 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 - HB(finaldis) |
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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2009-09-16 | -- | 18 | 6.12 | 6.72 | -- | -- | 15.5 | 1230 | 61.0 | 58.51 | -25.73 | 2.90 | -- | 8.81 | -- | 0.06 | -- | 673.7 | 20 | -- |
| 2010-04-20 | -- | 10.0 | 6.2 | 6.91 | -- | -- | 7.5 | 1198 | 40.0 | 35.32 | -28.62 | 0.58 | -- | 4.46 | -- | 0.04 | -- | 701.5 | 1 | -- |
| 2012-05-03 | -- | 6 | 5.9 | 7.16 | -- | -- | 19.7 | 1064 | 45 | 29.78 | -24.28 | 1.81 | -- | 3.65 | -- | 0.42 | -- | 628.2 | 10 | -- |
| 2015-05-01 | -- | -- | 5.7 | 6.99 | -- | -- | 13.4 | 1100 | 0 | 32.03 | -24.54 | <0.10 | -- | 3.08 | -- | <0.10 | -- | 498.3 | <5 | -- |
| 2018-05-09 | -- | -- | 6.26 | 6.44 | -- | -- | 16.4 | 902 | 26 | 17.71 | -3.58 | 0.13 | -- | 0.49 | -- | <0.10 | -- | 398.8 | <5 | -- |
| 2020-05-21 | -- | -- | 6.21 | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| 2023-05-09 | -- | -- | 6.51 | 6.5 | -- | -- | 13.8 | 1043 | 16 | 8.26 | 2.35 | 1.02 | -- | 3.07 | -- | 0.41 | -- | 498.8 | <5 | -- |
| Minimum: | -- | 6 | 5.7 | 6.44 | -- | -- | 7.5 | 902 | 0 | 8.26 | -28.62 | 0.13 | -- | 0.49 | -- | 0.04 | -- | 398.8 | 1 | -- |
| Maximum: | -- | 18 | 6.51 | 7.16 | -- | -- | 19.7 | 1230 | 61.0 | 58.51 | 2.35 | 2.90 | -- | 8.81 | -- | 0.42 | -- | 701.5 | 20 | -- |
| Average: | -- | 11 | 6.13 | 6.79 | -- | -- | 14.4 | 1,090 | 31.33 | 30 | -17.4 | 1.29 | -- | 3.93 | -- | 0.23 | -- | 566.6 | 10.3 | -- |
| Range: | -- | 12 | 0.81 | 0.72 | -- | -- | 12.2 | 328 | 61 | 50.25 | 30.97 | 2.77 | -- | 8.32 | -- | 0.38 | -- | 302.7 | 19 | -- |
| Median: | -- | 10 | 6.2 | 6.82 | -- | -- | 14.65 | 1082 | 33 | 30.91 | -24.41 | 1.02 | -- | 3.37 | -- | 0.24 | -- | 563.5 | 10 | -- |
| Loading (lb/day): | 7.08 | 6.35 | -3.59 | 0.28 | -- | 0.9 | -- | 0.02 | -- |
Sample Point Description: Final Effluent of Howe Bridge Passive System; Effluent of final aerobic pond
- 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.