"What farmers facing environmental restrictions have suspected about provincial urban sewages systems is true: they are massive environmental polluters of sewage and other compounds. Because it would cost so much to upgrade facilities in cities and towns, the situation often gets a blind eye."
It took just a few minutes. A manure irrigation gun, left unattended, pumping at full throttle. A faulty connection. Before anyone knew what had happened, several thousand litres of liquid hog manure were flowing down the slope towards the small trout creek.
Environment Probe 