Download Your Roadmap to Iowa Nutrient Reduction Strategy Compliance for Industries

Nutrients from agricultural, municipal, and industrial sources in Iowa impact not only State of Iowa waters but also downstream waters all the way to the Gulf of Mexico.  The 2008 Gulf Hypoxia Action Plan established a goal of at least a 45% reduction in total nitrogen (TN) and total phosphorus (TP) loads to the Mississippi River from Iowa and other states along the river.

Point source implementation, led by the Iowa Department of Natural Resources (IDNR), has already begun through issuance of NPDES permits. The strategy lists 46 industries and the 102 municipalities that will have to comply with the strategy requirements.  Industries that discharge wastewater to one of the listed municipalities may be impacted by changes to their pretreatment requirements.  The process will vary for facilities where biological nutrient removal has already been installed or is planned and/or where treatment capacity increases are under construction or planned.  The strategy typically only applies to process wastewater at industrial facilities.  If you have a small sanitary wastewater flow, the strategy will likely not apply to that portion of your wastewater. 

The brochure highlights the process for the 46 industries identified in the nutrient strategy.

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