Contaminant Reference Guides

Chemistry-based breakdowns of the most common well water contaminants.

Iron in Well Water: Signs, Testing, Removal

The most common contaminant in well water. Orange stains and metallic taste: here's how to confirm it's iron and fix it.

The one test result that demands immediate action, not a scheduled follow-up. What a positive result actually means.

Treated like iron's less important cousin: that's a mistake. It stains darker and carries a real health guideline.