The Mount Lofty Range watershed is 1,640 km2 of open land surrounded by agriculture and home to approximately 50,000 residents. The Mount Lofty Range watershed is one of many water resources that provide Adelaide with approximately 60% to 90% of the water that is used by privately owned land and for human activities. With the amount of users the Mount Lofty Range watershed provides, there are issues involving water quality and pollutants. In this investigation the issue of water quality of the Mount Lofty Ranges watershed will be discussed, as there will also be two perspectives on how the water quality of the Mount Lofty Ranges watershed can be improved for current and future users. Over a decade of Mount Lofty's presence The watershed is one of the sources of water for the citizens of Adelaide, now there are concerns about the quality of the water as major problems are occurring. The main problem with water quality is that the water becomes polluted, examples include: - Fecal contamination is one of many pollutants which also include parasites (cryptosporidium and giardia). They can be caused by animal waste and septic tank leaks, for example. - Nutrient contamination is caused by fertilizers, wastewater treatment and can also involve the growth of algae in the water due to nitrogen and phosphorus compounds, for example it can also include carbon compounds. - Sediments are an example also caused by construction waste (soil, clay or sand). One of the many problems for water quality is also pesticide contamination. There are solutions that can easily be adopted to remove or keep pollutants out of the water. and can be done by the following methods:- Have a professional check the septic tank for leaks which are either… half of the paper… used most of the time during investigations. The main website was from the Environment Protection Authority which showed very important information about the water quality of the Mount Lofty Range watershed and how it could be improved in the near future. Overall, the investigation that was conducted on the basis of how to improve the water quality of the Mount Lofty mountain range watershed is The Environmental Protection Authority (EPA) of the Mount Lofty Watershed Protection Office Lofty Ranges does not appear to care about the surrounding environment of other people who may live in or use the water of the Mount Lofty Range watershed. But the good thing about this situation is that the government stepped in and solved the problem by equating the water issue/problem with farmers and the concerns of the Mount Lofty Ranges Watershed Protection Office (EPA) Environment Protection Authority..