Water System Logbook

The daily log for small water systems: record well, treatment and meter readings in a few taps.

watersystemlogbook.com

Free to download. The first seven rounds are free; an optional Premium subscription continues after that.

Water System Logbook home screen with today’s daily well check round

Who it’s for

Operators who run their own wells and water.

Built for operators of mobile home parks, RV parks, campgrounds and similar properties that run their own wells, treatment, tanks and meters.

What it does

Scheduled rounds show as due, overdue or completed. Drafts save automatically and past rounds can be backfilled.
Readings for free and total chlorine, pH, turbidity, temperature, meters, flow, pressure, tank level, pump hours and pass/fail checks, plus your own custom readings.
Meter usage calculated from the previous reading, with meter reset and rollover handling.
Corrections keep a full edit history, and trend charts cover 30 days, 90 days, a year or everything.
PDF reports plus detailed and summary CSV exports. Works offline with no account, server or cloud sync.

Water System Logbook entering a round of readings, flagging a value outside its configured range

Water System Logbook edit history showing a corrected chlorine reading

Get Water System Logbook.

Available on the App Store for iPhone.

The app has no built-in limits and does not judge whether a reading meets any regulation; the only ranges are the ones you set. Reports are not official forms.

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