Laboratory result worksheet

Drinking-water test result worksheet

Enter only values copied from a laboratory report. The worksheet flags four limited references and prepares questions for a laboratory, supplier or public-health authority.

This app cannot test or certify water. Passing selected entries, appearance, taste, smell or source type cannot prove safety. Follow every current official boil-water or do-not-drink advisory.

Report details

Testing status

What sample does the report describe?

Current official local water advisory

Sample collection date (optional)

Use the collection date printed on the report. An older result may not describe current water conditions.

Selected results

E. coli report result (100 mL sample)

Copy the report wording. Do not convert a detection limit into zero.

Arsenic (µg/L, optional)

Fluoride (mg/L, optional)

Turbidity (NTU, optional)

Result summary

Enter a testing status and any selected laboratory values.

References and limits

Reviewed 26 July 2026. Limited reference values are drawn from the WHO Guidelines for drinking-water quality: fourth edition incorporating the first, second and third addenda (published 17 June 2026) and WHO operational guidance. Local standards, the full required panel, sampling quality and current authority instructions take priority.

All entries remain in this browser page. Nothing is stored, uploaded, placed in the URL, sent to analytics or transmitted to a server. TXT and print/PDF are direct local exports.