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Before asking for treatment advice
Please include your state or region, whether the symptom affects hot water, cold water, or both, and any laboratory results you already have. Do not send account passwords, financial information, medical records, or other sensitive personal data.
Water emergency? This inbox is not monitored for emergencies. If officials have issued a boil-water, do-not-drink, flooding, or contamination advisory, follow that guidance and contact your local health department or emergency authority.
Corrections are welcome
Water treatment changes as standards, products, and research evolve. If a source is outdated or a technical statement needs clarification, please identify the page and provide the strongest supporting source you have.