 | Nutrients like nitrogen and phosphorus are necessary for healthy waters, but high levels of nutrients can cause a number of problems, ranging from nuisance algae blooms and cloudy water to threatening drinking water and harming aquatic life. Levels of nitrogen and phosphorus in Iowa's waters are generally two to 10 times the levels considered appropriate for Midwest streams. |
For cleaner drinking water, for recreational opportunities -- substantially reducing the level of nutrients is a significant but necessary challenge for Iowa.
Iowa's nutrient budget, found below, investigates nutrient levels in Iowa and how excess nutrients end up in our water.
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