Title: Middle East Conflict Disrupts US Drinking Water Fluoride Supply Chain The ongoing conflict in the Middle East has caused an unexpected disruption to the supply chain of hydrofluorosilic acid (HFSA), a chemical used for fluoridating drinking water. This essential component is primarily sourced from international producers, and its scarcity due to the crisis has led several US water systems to reduce their fluoride levels in drinking water. The City of Baltimore’s public water system recently cut down on fluoride by nearly half as a response to this supply chain disruption. The city serves 1.8 million customers, and its decision was prompted after being informed that the supplier would be reducing deliveries from three per month to two. In light of these changes, the water system has lowered the fluoride levels in drinking water from the recommended 0.7 milligrams per liter by the U.S Public Health Service to 0.4 mg/L. This shortage is not limited to Baltimore City alone; other US water systems are also facing a similar predicament due to this unprecedented disruption in their supply chain. The specialized chemical, HFSA, used for fluoridating drinking water and preventing cavities and tooth decay, primarily comes from a small pool of international producers. The conflict in the Middle East has had an impact on these suppliers, causing delays or reductions in production. Companies manufacture this acid mainly overseas, with U.S. suppliers importing and delivering it to various water treatment plants across the country in liquid form via 5,000-gallon tanker trucks. Israel is one of the world’s leading producers of hydrofluorosilic acid. According to Dan Hartnett, chief policy officer at the Association of Metropolitan Water Agencies (AMWA), “As we understand it, one of the main suppliers in Israel lost a number of employees temporarily because they have been called up into service in the Israeli military.” The implications of this supply chain disruption are significant. Fluoride is crucial for maintaining good oral health and preventing tooth decay. Reduced fluoride levels can lead to an increase in dental problems, particularly among vulnerable populations who rely on public water systems. This situation highlights the importance of diversifying sources and ensuring a stable supply chain for essential resources like HFSA. In conclusion, while the Middle East conflict continues to impact various industries globally, its effects are now being felt even closer to home – in our drinking water supplies. It underscores the need for more resilient supply chains that can withstand geopolitical disruptions and ensure access to critical resources like fluoride for maintaining good health.
Source: [Original Article](https://www.npr.org/2026/04/15/nx-s1-5786697/middle-east-conflict-causes-a-fluoride-shortage-for-us-drinking-water)
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