Press Release – Timaru District Council Many people are taking the opportunity to catch up on all those DIY tasks, but need to be aware of the risks of an unseen disaster. The district has been seeing an increased number of problems with contaminates from urban stormwater entering our ecologically … Many people are taking the opportunity to catch up on all those DIY tasks, but need to be aware of the risks of an unseen disaster. The district has been seeing an increased number of problems with contaminates from urban stormwater entering our ecologically important waterways. Stormwater is not processed in the same way as the water that leaves your home’s sinks and toilets.