Silver
EPA Secondary Standard
0.1 mg/L
A non-enforceable guideline set for taste, odor and appearance — not health. Water systems are not required to meet it.
What You May Notice
Above EPA's secondary standard, Silver can cause: skin discoloration; graying of the white part of the eye.
EPA regulates Silver under a secondary drinking water standard — a non-enforceable guideline set for taste, odor and appearance rather than health. Water systems are not required to meet it, and exceeding it is an aesthetic problem, not a known health risk.
Source: EPA — National Secondary Drinking Water Regulations (retrieved 2026-07-27)
Is your Silver result safe? Get a free reading
The EPA Secondary Standard for Silver is 0.1 mg/L. Upload your water test (PDF or a photo) and we'll email a plain-English reading of where your result lands — and every other number — free. Educational only, no medical claims.
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Water filters certified under the following NSF standards are effective at removing Silver:
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Where is Silver Found?
Silver has been detected above EPA health guidelines in 1 cities serving 0.0M people across the US.
About the EPA Secondary Standard
EPA secondary standards (SMCLs) cover taste, odor, color and staining. They are guidelines, not enforceable limits, and exceeding one is an aesthetic issue rather than a known health risk.
Contaminant Type
Silver is classified as a Metals contaminant.
Check Your Water
Find out if Silver is in your tap water.
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Public water reports may not test frequently enough or at your specific tap. Professional home testing provides current, location-specific results.
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