Blue-Green Stains from Well Water in South Dakota

Blue or green stains appear around drains and fixtures.

State-specific guide for interpreting results in private wells. nitrate, sulfate, hardness.

Tests to run

pH
Copper
Lead
Alkalinity

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Interpret once on the web. Track forever in the app.

Save test history, set annual reminders, compare results over time, and create a shareable report.

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Educational guidance only. Always confirm important decisions with a certified laboratory, local health department, qualified water treatment professional, or clinician.