Source

Scenario

COD (tonne/d)

BOD (tonne/d)

TN (tonne/d)

TP (tonne/d)

Domestic

Baseline loads

388

188

68

12

100% reaches surface water

440

213

78

14

Half of baseline loads reach surface water

194

94

34

6

Industrial

Baseline

163

60

6

2.6

Best case

98

33

4

2.2

Worst case

215

80

8

3.0

Agriculture

34

17

16

5

Total

Baseline^a (S1)

585

264

91

20

Minimum^b

325

144

54

13

Maximum^c

688

310

103

22