Pool Chemistry Daily Log (CPO Compliance)

This template covers the daily water-chemistry and operational checks a certified pool operator or responsible operator records for a pool. It includes date/time, operator sign-off, free chlorine, combined chlorine, pH, total alkalinity, cyanuric acid when applicable, water clarity, and equipment status. It is meant to produce a daily log that can be shown during a health department inspection.

Run it daily, and more often if your facility has heavy bather load, weather-driven dilution, or recurring chemistry drift. The template is built as a recurring task, so you can set a daily cadence and keep the log consistent. If your local code requires additional checks during operating hours, add a second recurrence or a separate shift log.

A certified pool operator, lifeguard supervisor, or other responsible operator designated by the facility should complete and sign it, depending on local rules. The key is that the person recording the results must be trained to use the test kit correctly and to recognize when the pool needs to be closed or corrected. Keep the DRI clear so there is no gap between testing and action.

No. It works for indoor and outdoor pools, but the cyanuric acid item is mainly relevant for outdoor or stabilized pools. Indoor pools often do not use stabilizer, so that item can be marked N/A or removed during customization. The rest of the log still applies because sanitizer, pH, alkalinity, and clarity affect every pool.

The biggest misses are skipping the operator sign-off, recording a test without taking corrective action, and failing to document when the pool was closed for an out-of-range reading. Teams also forget to note combined chlorine, which can hide a water-quality problem even when free chlorine looks acceptable. Another common issue is using one log for multiple pools without clearly separating readings by basin.

Add the specific pool name, test kit brand, local action thresholds, and any extra items your health department requires, such as water temperature or turnover status. If you manage multiple pools, duplicate the template so each basin has its own log and its own recurrence. You can also add a verification step for chemical feed equipment, pump operation, or main drain visibility if those are part of your inspection routine.

Yes. It pairs well with chemical inventory, pump room inspection, filter backwash logs, and corrective-action tasks. When a reading is out of range, create a follow-up task with a clear DRI and priority so the issue does not get buried in the daily log. If your team uses Kanban, keep the corrective work visible and limit WIP so chemistry fixes do not stall.

An ad-hoc log often misses one of the required readings, lacks a consistent order, or fails to capture who performed the test. This template standardizes the checklist items so each entry is independently verifiable and easier to review during audits. It also makes recurring completion and follow-up actions more reliable than a loose notebook or spreadsheet.

No. It supports the documentation pattern used in pool operations, but it does not replace your state code, local health department rules, or certified training. Use it as a working log that you adapt to the stricter requirement when local rules differ. If a rule conflicts with the template, the rule wins.