Phosphorus and nitrogen produced by human activities in the neighboring territory. Looking down our coast and sea to reduce both water quality and aquatic life. Nitrogen imbalances will equally damage. The strategy of the two nutrients and problem solving for both nitrogen and phosphorus stained by contamination is necessary. The combination of the growth rate of human history and the horrors of the nutrients in the growth of plants. And in the water world. Increased levels of nitrogen and phosphorus are concerned, especially because an excess of these two nutrients acceleration of plant-based organic matter including algae die. The negative effects of nitrogen sources of the rapid growth of a man with a serious impact on the structure and function of ecosystems. This led to the nitrogen control measures. Water affects a significant adverse downstream waters. Therefore it is important to look at nutrient control measures and their effects across the entire freshwater to marine continuum, not each one in isolation. the dual nutrient approach represents an evolutionary step in arresting eutrophication, with consideration of the larger scale freshwater-marine continuum being the driving force. Only focusing on a stream, lake, or river within this hydrologic continuum may at best only solve part