Have you ever experienced having your backyard turn into a swamp after a rainy day here in Sydney? This pooling of water is actually a sign that your stormwater is not being handled appropriately and could be damaging your property. Here in Sydney we have had large amounts of rainfall in recent years. In fact it has been raining harder and more frequently in Sydney by as much as 40 per cent in the past 20 years, with clay soils and dense residential areas causing additional d
