A large fire at the Carus Chemical Company plant in LaSalle, Illinois, may impact the U.S. water and wastewater system supply chains. The fire, which started the morning of Wed., Jan. 11, damaged or destroyed multiple structures at the complex before it was extinguished. The Carus Chemical facility is the largest domestic producer of potassium permanganate and sodium permanganate. Potassium permanganate is also imported, mainly from India, but most domestic demand is met by this facility. In its update on the situation, the U.S. Environmental Protection Agency (EPA) has the following recommendations for how to prepare for supply chain disruptions: Contact your primary supplier(s) for chemicals that may be impacted by this incident . Determine whether your company’s operations are impacted by the Carus plant fire. If operations are impacted, emphasize the importance of consistent deliveries of chemicals for your system to maintain operations. Contact alternate suppliers . If your primary supplier’s operations are impacted by the Carus plant fire, use the Chemical Suppliers and Manufacturers Locator Tool or the Search for NSF Certified Drinking Water Treatment Chemicals to identify alternate suppliers in your region. Contact the companies, emphasize the importance of consistent deliveries of critical treatment chemicals for your system to maintain operations, and discuss the possibility of the companies providing support if your system’s primary supplier is unable to satisfy your system’s needs. Identify mutual aid and assistance opportunities . Join your Water and Wastewater Agency Response Network (WARN) and contact other mutual aid networks and nearby water/wastewater systems directly to discuss arrangements for receiving assistance in the event of a supply chain disruption. Access EPA resources. Visit https://www.epa.gov/waterutilityresponse/water-and-wastewater-sector-supply-chain-resilience to access resources your system can use to prepare for, or respond to, a potential supply chain disruption. Questions can be directed to Kevin Morley , AWWA’s federal relations manager.