Twofold Bay Outfall
Period 96-98
Statistic FLOW NFR BOD Grease&Oil NH4 TKN TON TN TP NO3 NO2 F.col CHLa NOX PO4 Chlorine
n 627 22.0 22.0 21.0 22.0 0.0 0.0 12.0 22.0 15.0 15.0 5 0 0 0 0
Mean 843 15.9 3.8 0.2 1.4 . . 4.5 26.7 5.6 0.1 1 . . . .
Std Dev 629 11.7 2.0 0.1 2.6 . . 3.5 20.7 4.5 0.1 1 . . . .
Min 0 5.0 0.3 0.1 0.0 . . 0.2 2.6 2.0 0.0 0 . . . .
Max 6427 50.0 8.4 0.5 13.0 . . 11.0 76.0 19.0 0.3 3 . . . .
10%ile 64 5.0 0.9 0.1 0.2 . . 1.1 8.0 2.3 0.1 . . . . .
25%ile 413 10.0 2.6 0.1 0.3 . . 1.8 10.0 2.9 0.1 0 . . . .
50%ile 930 10.0 3.6 0.1 0.8 . . 3.3 19.0 3.0 0.1 1 . . . .
75%ile 1085 20.0 4.7 0.2 1.5 . . 7.2 40.0 7.0 0.2 1 . . . .
80%ile 1140 30.0 4.9 0.2 1.5 . . 8.1 40.0 7.5 0.2 . . . . .
90%ile 1279 30.0 5.8 0.3 1.7 . . 9.2 52.0 11.0 0.2 . . . . .
95%ile 1490 30.0 7.6 0.3 1.7 . . . 65.0 . . . . . . .
Period 96-97
Statistic FLOW NFR BOD Grease&Oil NH4 TKN TON TN TP NO3 NO2 F.col CHLa NOX PO4 Chlorine
n 262 12.0 12.0 10.0 12.0 0.0 0.0 2.0 11.0 9.0 9.0 5 0 0 0 0
Mean 937 10.4 3.6 0.1 1.2 . . 7.0 44.1 4.4 0.1 1 . . . .
Std Dev 649 5.4 2.1 0.0 0.6 . . 1.6 15.1 2.1 0.1 1 . . . .
Min 0 5.0 0.3 0.1 0.2 . . 5.8 25.0 2.0 0.0 0 . . . .
Max 6427 20.0 8.4 0.2 1.7 . . 8.1 76.0 8.0 0.3 3 . . . .
10%ile 358 5.0 0.9 0.1 0.3 . . . 30.0 . . . . . . .
25%ile 504 5.0 2.5 0.1 0.7 . . . 34.0 3.0 0.1 0 . . . .
50%ile 997 10.0 3.5 0.1 1.5 . . 7.0 40.0 3.0 0.1 1 . . . .
75%ile 1100 12.5 4.7 0.2 1.6 . . . 52.0 6.0 0.2 1 . . . .
80%ile 1150 15.0 4.9 0.2 1.6 . . . 52.0 . . . . . . .
90%ile 1256 20.0 5.4 0.2 1.7 . . . 65.0 . . . . . . .
95%ile 1490 . . . . . . . . . . . . . . .
Period 97-98
Statistic FLOW NFR BOD Grease&Oil NH4 TKN TON TN TP NO3 NO2 F.col CHLa NOX PO4 Chlorine
n 365 10.0 10.0 11.0 10.0 0.0 0.0 10.0 11.0 6.0 6.0 0 0 0 0 0
Mean 775 22.5 4.0 0.2 1.7 . . 4.1 9.3 7.4 0.1 . . . . .
Std Dev 605 14.0 1.9 0.1 4.0 . . 3.6 2.8 6.6 0.0 . . . . .
Min 0 5.0 0.9 0.1 0.0 . . 0.2 2.6 2.3 0.1 . . . . .
Max 5397 50.0 7.6 0.5 13.0 . . 11.0 13.0 19.0 0.1 . . . . .
10%ile 32 7.5 1.4 0.1 0.1 . . 0.6 6.7 . . . . . . .
25%ile 134 10.0 3.3 0.1 0.2 . . 1.1 8.0 2.9 0.1 . . . . .
50%ile 895 25.0 3.9 0.1 0.5 . . 3.0 10.0 4.5 0.1 . . . . .
75%ile 1056 30.0 4.7 0.3 0.9 . . 6.2 11.0 11.0 0.1 . . . . .
80%ile 1116 30.0 5.2 0.3 1.1 . . 7.7 11.0 . . . . . . .
90%ile 1279 40.0 6.7 0.3 7.2 . . 10.1 11.0 . . . . . . .
95%ile 1493 . . . . . . . . . . . . . . .