Environmental Health Specialist how-to
How to Test Pool Water Chemistry
Proper chemistry keeps swimmers safe from germs and irritation.
Quick answer
Proper chemistry keeps swimmers safe from germs and irritation. In short: collect; test; test, then complete the remaining steps below.
Step by step
Collect a sample from at least 18 inches below the surface.
Test free chlorine and combined chlorine.
Test pH.
Check other parameters such as cyanuric acid where required.
Compare results to state code.
Order corrective action or closure if needed.
Safety reminders for environmental health specialists
- Wear gloves and protective gear around sewage and contaminated areas
- Follow vehicle safety while driving between sites
- Use caution with pool chemicals
- De-escalate tense situations and know when to leave
Key terms
Food code · Temperature danger zone · Critical violation · Cross-contamination · HACCP · Plan review: see the full environmental health specialist glossary.