| Sampling Location | Bayou | Sampling Date 1 | Sampling Date 2 | Sampling Date 3 | Sampling Date 4 | Mean Concentration (ppb) | |||
| Cu | Hg | Pb | Zn | ||||||
| 1 | Black | Oct-16 | Apr-17 | May-18 | Jul-19 | 2.08 | 0.36 | 7.62 | 29.29 |
| 2 | Black | Oct-16 | Apr-17 | May-18 | Jul-19 | 2.07 | 0.13 | 7.70 | 26.85 |
| 3 | Black | Oct-16 | Apr-17 | May-18 | Jul-19 | 2.16 | 0.41 | 7.81 | 17.90 |
| 4 | Black | Oct-16 | Apr-17 | May-18 | Jul-19 | 4.73 | 0.46 | 5.65 | 10.49 |
| 5 | Black | Oct-16 | Apr-17 | May-18 | Jul-19 | 4.43 | 0.49 | 3.73 | 9.87 |
| 6 | Black | Oct-16 | Apr-17 | May-18 | Jul-19 | 4.60 | 0.26 | 3.43 | 9.64 |
| 7 | Black | Oct-16 | Apr-17 | May-18 | Jul-19 | 4.21 | 0.42 | 5.80 | 21.18 |
| 8 | Big | Oct-16 | Apr-17 | May-18 | Jul-19 | 3.37 | 0.23 | 4.77 | 15.04 |
| 9 | Big | Oct-16 | Apr-17 | May-18 | Jul-19 | 3.72 | 0.17 | 8.22 | 16.57 |
| 10 | Big | Oct-16 | Apr-17 | May-18 | Jul-19 | 6.41 | 0.42 | 7.26 | 16.28 |
| 11 | Big | Oct-16 | Apr-17 | May-18 | Jul-19 | 2.99 | 0.35 | 9.91 | 6.36 |
| 12 | Big | Oct-16 | Apr-17 | May-18 | Jul-19 | 2.88 | 0.47 | 7.85 | 10.07 |
| 13 | Big | Oct-16 | Apr-17 | May-18 | Jul-19 | 4.25 | 0.51 | 2.22 | 4.44 |
| 14 | Big | Oct-16 | Apr-17 | May-18 | Jul-19 | 1.89 | 0.52 | 4.82 | 10.02 |
| 15 | Little | Oct-16 | Apr-17 | May-18 | Jul-19 | 4.68 | 0.24 | 6.84 | 11.04 |
| 16 | Little | Oct-16 | Apr-17 | May-18 | Jul-19 | 3.37 | 0.19 | 4.30 | 14.55 |
| 17 | Little | Oct-16 | Apr-17 | May-18 | Jul-19 | 2.04 | 0.46 | 3.37 | 6.22 |
| 18 | Little | Oct-16 | Apr-17 | May-18 | Jul-19 | 2.45 | 0.10 | 4.90 | 12.48 |
| 19 | Little | Oct-16 | Apr-17 | May-18 | Jul-19 | 2.23 | 0.55 | 3.78 | 7.14 |
| 20 | Little | Oct-16 | Apr-17 | May-18 | Jul-19 | 2.01 | 0.61 | 4.76 | 10.85 |
| 21 | Little | Oct-16 | Apr-17 | May-18 | Jul-19 | 4.25 | 0.42 | 3.17 | 7.05 |
| 22 | Little | Oct-16 | Apr-17 | May-18 | Jul-19 | 2.59 | 0.35 | 4.37 | 17.94 |
| 23 | Little | Oct-16 | Apr-17 | May-18 | Jul-19 | 1.76 | 0.62 | 4.12 | 18.28 |
| 24 | Big | Oct-16 | Apr-17 | May-18 | Jul-19 | 2.94 | 0.40 | 4.18 | 7.14 |
| 25 | Big | Oct-16 | Apr-17 | May-18 | Jul-19 | 2.04 | 0.65 | 4.74 | 10.85 |
| 26 | Big | Oct-16 | Apr-17 | May-18 | Jul-19 | 2.45 | 0.21 | 3.29 | 7.05 |
| 27 | Big | Oct-16 | Apr-17 | May-18 | Jul-19 | 2.67 | 0.42 | 3.95 | 17.94 |
| 28 | Big | Oct-16 | Apr-17 | May-18 | Jul-19 | 1.37 | 0.67 | 3.15 | 18.28 |
| 29 | Big | Oct-16 | Apr-17 | May-18 | Jul-19 | 1.32 | 0.52 | 3.95 | 18.10 |