Water Testing Labs in Delaware

We have not been able to read Delaware's certified-laboratory list into individual records.

No individual laboratories listed for Delaware

We have not been able to read Delaware's certified-laboratory list into individual records.

What we found: dhss.delaware.gov refused the fetch with HTTP 403 (measured 2026-09-20).

Delaware Health and Social Services still certifies laboratories in Delaware. Go to its own directory for the current list — the testing guidance on this page applies either way.

How Delaware publishes it: Website with links to certified laboratory information

Open the official Delaware directory

State Certification Program

Delaware Health and Social Services

Visit Certification Program Website

💡 Local Resources & Tips

Delaware Division of Public Health Laboratory provides some testing services directly to residents

How to choose one of these labs

1.Open the official directory above and shortlist two or three labs near you — most drinking-water samples must reach the lab within 24-30 hours of collection
2.Verify certifications: confirm the lab holds current state certification for the specific contaminants you want to test (bacteria, nitrate, metals, VOCs, PFAS). Certification is per-analyte, and a certificate number on this page is a starting point, not a guarantee it is still current
3.Request pricing: call multiple labs to compare prices and turnaround times—costs vary significantly even within the same state
4.Schedule testing: follow lab instructions for sample collection, storage, and delivery
5.Review results: compare detected concentrations against EPA standards and take appropriate action

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