The Mount Lofty Ranges catchment covers 1,640 km2 of open land surrounded by agriculture and is home to approximately 50,000 inhabitants. The Mount Lofty Range catchment is one of several water resources that provide Adelaide with approximately 60-90% of the water used by private land and for human activities. Given the number of users served by the Mount Lofty Range catchment, issues related to water quality and pollutants arise. In this investigation, the question that will be discussed about the water quality of the Mount Lofty Ranges catchment, as there will also be two perspectives on how the water quality of the Mount Lofty Ranges catchment can be improved for current and future users. More than a decade of Mount Lofty's existence With the Ranges catchment being one of the sources of water for the citizens of Adelaide, there are now concerns over water quality as major issues arise. The major water quality problem is that the water is polluted, for example: - Fecal contamination is one of many pollutants which also include parasites (cryptosporidium and giardia). They can be caused by animal droppings and septic tank leaks, for example. - Nutrient contamination is caused by fertilizers, wastewater treatment and it can also involve the growth of algae in the water due to nitrogen and phosphorus compounds, can also include carbon compounds, For example. Sediments are also an example: they are caused by construction waste (soil, clay or sand). - One of the many problems related to water quality is also pesticide contamination. There are easy-to-implement solutions to remove or keep pollutants out of water. and this can be done by the following methods: - Have a professional check the septic tank for any leaks which is middle of paper ......used most of the time during the investigation. The main website was from the Environment Protection Authority and presented a lot of important information about the water quality of the Mount Lofty Ranges catchment and how it could be improved in the near future. of the Mount Lofty Range watershed is The Environment Protection Authority (EPA) of the Mount Lofty Range watershed protection office does not appear to care about the environment of other people who may live in or use the watershed water from the catchment area of ​​the Mount Lofty range. But the good thing about this situation is that the government stepped in and solved the problem by balancing the water issue with farmers and the concerns of the Environment Protection Authority (EPA) at the Mount Lofty Ranges Watershed Protection Office..