Table 1 Water quality characteristic averages by sampling site, throughout the sampling period
Sampling sites | Sampling months | Precipitation (14d) | Water temp. (C) | DO% | Conductivity (SPC uS/cm) | pH | ORP mV | Turbidity (FNU) | Nitrate (mg/L) | Chloride (mg/L) |
|---|---|---|---|---|---|---|---|---|---|---|
Non-tidal freshwater | May A | 1.79 | 15.7 | 97.5 | 211.4 | 7.28 | 150.8 | 2.8 | 0.53 | 11.74 |
May B | 4.65 | 17.5 | 93.5 | 141.8 | 6.93 | 144.5 | 13.5 | 1.1 | 1.36 | |
Jun A | 4.03 | 16.45 | 92.8 | 202.65 | 7.07 | 114.25 | 11.1 | 0.93 | 11.24 | |
Jun B | 1.43 | 20.15 | 94.9 | 164 | 7.05 | 105.1 | 5.3 | 0.885 | 1.34 | |
Jul | 0 | 22.65 | 95.5 | 204.7 | 7.29 | 87.97 | 0.2 | 0.23 | 0.09 | |
Aug | 4.51 | 22.15 | 93 | 162.8 | 7.22 | 80.2 | 5.47 | 0.38 | 0.64 | |
Aug B | NA | NA | NA | NA | NA | NA | NA | NA | NA | |
Sep | NA | NA | NA | NA | NA | NA | NA | NA | NA | |
Reclaimed water | May A | 1.11 | 18.2 | 120.5 | 808 | 7.95 | 275.5 | 16.2 | 10.99 | 116.05 |
May B | 3.84 | 28.4 | 83.2 | 1.3 | 7.76 | 68.8 | 36.3 | 41.4 | 807.39 | |
Jun A | 2.53 | 19.8 | 14.8 | 874 | 7.17 | 199.8 | 3.4 | 0.7 | 67.04 | |
Jun B | 1.01 | 23.75 | 22.57 | 951 | 6.81 | − 158.3 | 20.7 | 2.59 | 78.46 | |
Jul | 0.03 | 25.5 | 12.83 | 1083 | 6.9 | −161.5 | −1.8 | 0.33 | 47.08 | |
Aug | 8.12 | 23.85 | 100.6 | 821.5 | 6.85 | 246.95 | 3.55 | 1 | 16.63 | |
Aug B | 0.98 | 22.45 | 29.9 | 859 | NA | NA | 10.8 | 2.13 | 36.54 | |
Sep | 0 | 17.85 | 31.1 | 696.5 | 7.52 | 222.1 | 7.5 | 5.35 | 1703.39 | |
Tidal brackish water | May A | 0.89 | 20.338 | 58.9 | 19,815.4 | 6.74 | 275.5 | 2.86 | 12.89 | 8795.25 |
May B | 4.01 | 24.139 | 31.5 | 2494.3 | 6.22 | 184.7 | 3.67 | 6.5 | 852.57 | |
Jun A | 7 | 20.433 | 32.9 | 2438.9 | 6.48 | 189.7 | 8.19 | 6.5 | 1016.76 | |
Jun B | 2.36 | 27.37 | 27.1 | 12,140.4 | 6.76 | 156.2 | 4.32 | 22.34 | 4656.02 | |
Jul | 0.09 | 27.09 | 32.6 | 20,524 | 6.77 | 257 | −0.315 | 34.03 | 9823.28 | |
Aug | 4.72 | 29.17 | 29.4 | 11,771 | 7 | 167.3 | 5.12 | 30.58 | 6507.61 | |
Aug B | 0.64 | 28.17 | 26.1 | 21,921 | 7.09 | 129.3 | 1.93 | 41.53 | 13,797.6 | |
Sep | 4.08 | 23.26 | 23.9 | 20,933.2 | 7.27 | 150.5 | 2.26 | 25.39 | 14,127.69 | |
Pond water | May A | 1.79 | 19.9 | 111.9 | 145.4 | 7.99 | 234 | 1.6 | 0.25 | 7.22 |
May B | 4.65 | 22.9 | 41.47 | 125.2 | 6.89 | 114.95 | 15 | 0.67 | 2.61 | |
Jun A | 4.03 | 18.6 | 41.05 | 99.03 | 6.7 | 177.85 | 11.6 | 1.03 | 3.99 | |
Jun B | 1.43 | 27.3 | 111.8 | 104 | 7.13 | 151.8 | 11.17 | 0.43 | 0.73 | |
Jul | 0 | 27.95 | 103.5 | 133.9 | 7.24 | 100.2 | 0.97 | 0.09 | 0.12 | |
Aug | 4.51 | 27.8 | 164 | 85.625 | 7.92 | 119.9 | 2.8 | 0.23 | 2.76 | |
Aug B | 0.48 | 27.15 | 96.7 | 97.85 | 7.47 | 136.1 | 4.6 | 0.22 | 0 | |
Sep | 3.71 | 23.1 | 103.8 | 114.7 | 7.06 | 110.6 | −3.1 | 0.23 | 0.4 |