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Free tool · no signup · your readings stay on your device
Free daily operator log
Record your daily plant readings, chlorine residual, turbidity, pH, flow, and tank level, and watch them trend over time. No account, no email, no wall. Everything you log is saved only in your own browser's storage and never leaves your device.
What does this log track?
A running, dated list of the readings you already take every shift: chlorine residual (mg/L), turbidity (NTU), pH, flow (MGD), and tank level (%). Tag each entry with your discipline and it builds a private trend view under each field, so you can see a drift before it becomes a violation, without a second app or a spreadsheet.
Add a reading
Your log
| Date | Discipline | Cl₂ (mg/L) | Turbidity (NTU) | pH | Flow (MGD) | Tank (%) | Note | Delete |
|---|---|---|---|---|---|---|---|---|
| No readings logged yet. Add your first one above. | ||||||||
Trend
Log at least two readings for the same field to see a trend line here.
How to use it
Log your readings once a shift, the same numbers you already write on a bench sheet or a SCADA screen. Over a few weeks the trend view shows drift, a chlorine residual creeping down, turbidity creeping up, before it becomes an exceedance. This is a personal working log, not a regulatory record: it does not replace your plant's official operating record, its compliance monitoring, or anything your state requires you to submit or retain.
Every reading you log is saved only in your own browser and never sent anywhere. We receive an anonymous count of the tool being used, never a reading, a date, or a value. See the Privacy Policy.