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WSSC Lowers Fluoride Levels Amid Supply Chain Issues

4/9/2026

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WSSC Water Lowers Fluoride
  • The Washington Suburban Sanitary Commission (WSSC Water) will lower fluoride levels for 1.9 million customers in Montgomery and Prince George's counties, from 0.7 mg/L to 0.4 mg/L.
  • The change stems from supply chain disruptions tied to the Middle East conflict, affecting a major supplier in Israel.
  • Water remains safe, and fluoride addition is voluntary.
  • Residents are advised to consult dentists for alternative fluoride sources; a restoration timeline is not provided.