Private well decision engine
Figure out what changed in your well water and what to test next.
Start with a lab result, a smell or stain, or a recent event like flooding or repairs. The engine turns that clue into a test plan, interpretation path, compare gate, and trust trail.
Early follow-up
Not ready to enter lab data yet?
Leave an email and a short note if you only have a smell, stain, recent change, or a general well-water concern.
Start here
Choose the signal you already have
The intake paths match how private well owners actually arrive: a report, a symptom, or a sudden change.
Decision workflow
How the engine moves you toward a safer next step
The product is most useful when it helps you avoid shopping too early and keeps the reasoning visible.
Choose the next verified test
Open only the right category
Keep the paper trail visible
High-signal starting points
Start from the questions most likely to become a real decision
These pages are the strongest organic entry points because they usually lead into testing, interpretation, or a constrained compare path.
symptoms
Rotten Egg Smell in Well Water
contaminantsNitrate in Well Water What To Do
contaminantsPositive Coliform in Well Water
symptomsCloudy Well Water What To Check First
triggersNew Home With Private Well What To Test
regionalNew Jersey PWTA Private Well Testing What To Know
contaminantsArsenic in Well Water What To Do
regionalNew Hampshire Arsenic in Well Water What To Do
regionalFlorida Rotten Egg Smell in Well Water
authorityPrivate Well Home Sale Testing by State
triggersWell Water After Flood: What To Do First
symptomsMetallic Taste in Well Water
symptomsOrange Stains in Well Water
contaminantsPFAS in Well Water What To Do
symptomsSulfur Smell in Hot Water From a Well
symptomsBlue Green Stains in Well Water
State-specific paths
Featured regional guides with official lab and guidance handoff
These are the strongest local-entry pages right now because they change the next step based on state guidance, certified lab routing, and event context.
Research surface
Browse by question type when you need a wider map
Use the hub layer when you are still scoping the problem or want to move sideways into state nuance, compare pages, or authority content.
Trust surface
Method, review, sources, and safety limits
These pages explain how advice is reviewed, where the source trail comes from, and when testing should stay ahead of product research.
Methodology