Tool

Water test checklist

A practical checklist for deciding when a public report is enough and when household testing makes sense.

Quick checklist

Use this checklist before buying a filter, softener, or test kit. It is meant to help you decide whether a public report is enough or whether a household-level test is worth doing.

CheckWhy it mattersNext step
☐ Older home or older plumbingPublic water reports do not test your building plumbing, service line, or fixtures.Consider lead, copper, and basic tap-water testing.
☐ Private wellUtility reports usually do not apply to private wells.Use a certified lab for bacteria, nitrate, hardness, and local well concerns.
☐ Rotten-egg odor, metallic taste, staining, or sedimentThese are household symptoms, not just city-report questions.Match the test to the symptom before buying treatment equipment.
☐ White spots, scale, or appliance buildupHardness may be high enough to affect fixtures, dishes, water heaters, and appliances.Use a hardness test before sizing a softener.
☐ Baby, pregnancy, immune-compromised person, or health concernHigher-stakes situations need more than general web guidance.Contact a qualified professional, health department, or certified lab.
☐ Recent plumbing work or new fixturesNew work can temporarily affect sediment, taste, or metals.Flush as advised and test if symptoms continue.
☐ Buying a homeThe public report does not describe the exact building.Consider a home-specific test during due diligence.
☐ Choosing a treatment systemTreatment should match the actual problem.Test first, then size or select equipment.

When the public report may be enough

If you only want general system-level context, recent regulated contaminant results, or source-water background, the official report and city profile may be enough.

When to use a certified lab

Use a certified lab for health-related concerns, private wells, bacteria, lead, nitrate, PFAS, or real-estate decisions where documentation matters.