| 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 | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | |