What conditions cause a sewage discharge in Netherbury?

Please select the method:
River Level (m):
Rainfall (mm):
River Level (m):

The amount by which the river level will have to be below the average to be included in the results.

Rainfall (mm):

The minimum 15 minute sample value to include in the average.

The amount by which the rainfall will have to be under the average to be included in the results.