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A Michigan dairy farm utilized a storm sewer infrastructure to collect storm water runoff. The storm water came into contact with manure and feed sources, potentially collecting pollutants. The farm, which is situated at the top of a hill, directed the storm water and other waste streams (farm sanitary and rinsate from the calf nursery) to an agricultural ditch at the bottom of the hill. This agricultural ditch connected to the primary river in the largest watershed in Michigan. The farm was retrofitted to properly handle sanitary waste; separate the clean and dirty storm water; and collect the dirty storm water. The dirty storm water is stored and utilized as a nutrient / irrigation source.