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Meeting papers
Burgess Creek
Receiving Environment Monitoring Program
Annual Review 2022
Table 8. The mean water quality data used for statistical analysis amongst 2021 and 2020 calendar years.
Nitrate Total Total Chloro-a
Monitoring Thermotolerant Intestinal Ammonia Phosphate Dissolved Chlorophyll Suspended Water
Year E.coli + Nitrite Nitrogen Phosphorus pH Conductivity Phenophytin
Site coliforms enterococci as N as P Oxygen a Solids Flow
as N as N as P ratio
cfu/100mL cfu/100mL cfu/100mL mg/L mg/L mg/L mg/L mg/L mg/L pHU uS/cm ug/L ratio mg/L
B1 2021 12 376.92 916.08 646.67 0.024 1.65 0.08 3.07 0.114 3.82 7.01 1057.08 1.08 1.03 6.83 2.83
2020 12 100.42 576.08 370.50 0.025 1.67 0.07 2.90 0.097 4.19 7.14 1122.58 1.08 0.98 3.67 2.92
B2 2021 12 170.00 289.67 97.33 0.022 0.009 0.005 0.706 0.013 4.34 5.31 179.00 1.18 1.00 2.92 2.58
2020 12 89.92 249.50 120.42 0.025 0.008 0.007 0.878 0.022 3.88 5.10 168.58 2.61 1.03 7.92 2.75
B3 2021 12 12.00 43.83 7.50 0.096 2.89 0.12 4.25 0.185 7.49 7.32 1757.50 1.15 0.99 4.00 3.08
2020 10 26.25 54.33 97.33 0.020 2.37 3.96 0.08 0.154 6.93 7.56 1811.33 1.16 1.00 5.42 3.08
B5 2021 11 214.27 735.45 458.45 0.041 1.79 0.11 2.92 0.162 5.25 7.33 1378.09 1.06 1.00 5.73 2.82
2020 12 150.25 201.17 657.33 0.017 1.40 2.77 0.09 0.128 4.63 7.30 1302.42 1.10 0.99 7.42 2.75
B6 2021 11 156.92 363.50 211.00 0.082 2.84 0.12 4.18 0.192 7.01 7.55 1730.83 1.14 1.00 5.33 2.83
2020 12 73.73 133.36 280.18 0.020 2.24 3.67 0.08 0.153 6.32 7.63 1855.45 1.12 1.00 7.55 2.91
B8 2021 3 487.67 815.00 379.67 0.04 0.03 0.01 1.287 0.017 2.70 4.40 115.33 1.73 1.00 3.67 2.00
2020 10 54.33 115.61 213.89 0.05 0.02 1.73 0.010 0.034 2.01 4.40 159.22 13.33 1.08 6.78 1.20
SW3 2021 12 437.67 943.33 642.42 0.026 1.71 0.08 2.77 0.118 3.88 7.18 1165.58 1.23 1.00 3.83 2.50
2020 12 131.27 298.73 589.73 0.027 1.53 2.81 0.06 0.094 4.89 7.19 1266.25 1.47 1.03 4.33 2.67
Table 9. Results of the Students' t-test comparing 2021 and 2020 water quality data.
Nitrate + Total Total Chloro-a
Monitoring Intestinal Thermotolerant Ammonia as Phosphate Dissolved Chlorophyll Suspended Water
E.coli Nitrite as Nitrogen as Phosphorus pH Conductivity Phenophytin
Site enterococci coliforms N as P Oxygen a Solids Flow
N N as P ratio
B1 0.409 0.436 0.464 0.927 0.921 0.662 0.751 0.233 0.343 0.120 0.632 0.842 0.170 0.332 0.754
B2 0.194 0.524 0.829 0.217 0.421 0.015* 0.083 0.168 0.488 0.026* 0.382 0.243 0.170 0.107 0.504
B3 0.5402 0.4604 0.3497 0.2926 0.1984 0.1834 0.5003 0.3517 0.1631 0.1565 0.7858 0.9598 0.3506 0.4740 1.000
B5 0.418 0.770 0.183 0.415 0.063 0.228 0.542 0.234 0.315 0.759 0.642 0.634 0.351 0.604 1.000
B6 0.5555 0.7974 0.6582 0.2111 0.1570 0.2024 0.3139 0.3134 0.0455* 0.3562 0.4632 0.8777 #DIV/0! 0.4681 0.6761
B8 0.343 0.334 0.420 0.549 0.667 0.516 0.670 0.598 0.423 0.506 0.547 0.362 0.423 0.423 1.000
SW3 0.4144 0.4839 0.3292 0.8567 0.6973 0.2752 0.8908 0.0715 0.1537 0.8619 0.5299 0.3639 0.1705 0.7806 0.1661
Note: Asterix (*) denotes significant difference between 2021 and 2020
This document may not, in whole or part, be copied, photocopied, reproduced,
or translated without prior consent from the CEO, Unitywater. Page 42 of 64
Page 256 of 310
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Table 8. The mean water quality data used for statistical analysis amongst 2021 and 2020 calendar years.
OFo
e e OTO » OS) D e e Orop e ged
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Od OS) e eje
e OCO e elite
cfu/100mL cfu/100mL cfu/100mL mg/L mg/L mg/L mg/L mg/L mg/L pHU uS/cm ug/L ratio mg/L
Bi 2021 12 376.92 916.08 646.67 0.024 1.65 0.08 3.07 0.114 3.82 7.01 1057.08 1.08 1.03 6.83 2.83
2020 12 100.42 576.08 370.50 0.025 1.67 0.07 2.90 0.097 4.19 7.14 1122.58 1.08 0.98 3.67 2.92
B2 2021 12 170.00 289.67 97.33 0.022 0.009 0.005 0.706 0.013 4.34 5.31 179.00 1.18 1.00 2.92 2.58
2020 12 89.92 249.50 120.42 0.025 0.008 0.007 0.878 0.022 3.88 5.10 168.58 2.61 1.03 7.92 2.75
B3 2021 12 12.00 43.83 7.50 0.096 2.89 0.12 4.25 0.185 7.49 7.32 1757.50 1.15 0.99 4.00 3.08
2020 10 26.25 54.33 97.33 0.020 2.37 3.96 0.08 0.154 6.93 7.96 1811.33 1.16 1.00 5.42 3.08
BS 2021 11 214.27 735.45 458.45 0.041 1.79 0.11 2.92 0.162 5.25 7.33 1378.09 1.06 1.00 5.73 2.82
2020 12 150.25 201.17 657.33 0.017 1.40 2.77 0.09 0.128 4.63 7.30 1302.42 1.10 0.99 7.42 2.75
B6 2021 11 156.92 363.50 211.00 0.082 2.84 0.12 4.18 0.192 7.01 7.95 1730.83 1.14 1.00 5.33 2.83
2020 12 73.73 133.36 280.18 0.020 2.24 3.67 0.08 0.153 6.32 7.63 1855.45 1.12 1.00 7.55 2.91
B8 2021 3 487.67 815.00 379.67 0.04 0.03 0.01 1.287 0.017 2.70 4.40 115.33 1.73 1.00 3.67 2.00
2020 10 54.33 115.61 213.89 0.05 0.02 1.73 0.010 0.034 2.01 4.40 159.22 13.33 1.08 6.78 1.20
SW3 2021 12 437.67 943.33 642.42 0.026 1.71 0.08 2.77 0.118 3.88 7.18 1165.58 1.23 1.00 3.83 2.50
2020 12 131.27 298.73 589.73 0.027 1.53 2.81 0.06 0.094 4.89 7.19 1266.25 1.47 1.03 4.33 2.67
Table 9. Results of the Students’ t-test comparing 2021 and 2020 water quality data.
Titec cme Total Total Chloro-a
Monitoring Intestinal Thermotolerant Ammonia as Phosphate Dissolved Chlorophyll Suspended Water
STI (=) E.coli enterococci coliforms N Nitrite as Nitrogen as as P ed aes) laley gutsy Oxygen pH Conductivity ce Phenophytin Solids Flow
N N as P ratio
Bi 0.409 0.436 0.464 0.927 0.921 0.662 0.751 0.233 0.343 0.120 0.632 0.842 0.170 0.332 0.754
B2 0.194 0.524 0.829 0.217 0.421 0.015* 0.083 0.168 0.488 0.026* 0.382 0.243 0.170 0.107 0.504
B3 0.5402 0.4604 0.3497 0.2926 0.1984 0.1834 0.5003 0.3517 0.1631 0.1565 0.7858 0.9598 0.3506 0.4740 1.000
BS 0.418 0.770 0.183 0.415 0.063 0.228 0.542 0.234 0.315 0.759 0.642 0.634 0.351 0.604 1.000
B6 0.5555 0.7974 0.6582 0.2111 0.1570 0.2024 0.3139 0.3134 0.0455* 0.3562 0.4632 0.8777 #DIV/0! 0.4681 0.6761
B8 0.343 0.334 0.420 0.549 0.667 0.516 0.670 0.598 0.423 0.506 0.547 0.362 0.423 0.423 1.000
SW3 0.4144 0.4839 0.3292 0.8567 0.6973 0.2752 0.8908 0.0715 0.1537 0.8619 0.5299 0.3639 0.1705 0.7806 0.1661
Note: Asterix (*) denotes significant difference between 2021 and 2020
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