Scale can be a clue for investigation. Altitude or a place name alone cannot establish water hardness.
Documents to prepare
First record the water source, sampling locations, recent tests, intended use, and equipment requirements. Compile operating changes, storage, and piping information as well. Relevant technical staff should assess whether softening, RO, or another process is suitable against target parameters and operating conditions.
Using records for the next step
Keep separate dates for raw-water information, equipment information, sampling, and records. Distinguish observations from conclusions about their causes, and mark missing information for review. Retain the confirmation basis and document versions when changing configurations or maintenance arrangements.
Related detailed guides
Industrial RO equipment selection and quotation checklist
Prepared with AI assistance; updated on October 1, 2026. This article does not replace site operating instructions or the relevant product and testing documents.