Private Well Water Testing in Hawaii

Hawaii is outside the USGS national groundwater models, so we don't have county-level well-risk estimates here — but here's how to test a private well in Hawaii.

Private-well testing in Hawaii

There's no USGS national groundwater model for Hawaii — Alaska and Hawaii fall outside the federal arsenic and nitrate datasets we use — so we don't have county-level well-risk estimates here.

If you rely on a private well in Hawaii, test it directly: Hawaii certified testing labs and what to test your well for.

Hawaii counties

No USGS county-level model covers Hawaii — use the testing resources above to check your own well.

Find a Hawaii-certified testing lab

Get your well tested at a Hawaii-certified laboratory. We list certification programs by state.

Hawaii certified labs

Already tested your well? Get a free plain-English reading

Upload your well water lab report (PDF or a photo) and our team will email you a full, plain-English reading of every result — free. Educational only, never medical advice.

Your upload also helps us keep local water data accurate — we only ever share anonymized, area-level summaries.

Upload my well test

These figures are USGS area estimates: statistical groundwater models describing how likely elevated contaminant levels are across a county. They are not designed to predict the concentration in any single well. Only testing your own well reveals its water quality.

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By TapWaterData Editorial