Water knowledge
Water Purification for Businesses
By SACHSTAR · Editorial update: 9 October 2026
The short answer
A business water system should be specified from source-water testing, intended use, peak demand and site conditions. Include storage, pretreatment, maintenance and backup supply in the discussion, not only an hourly RO rating.
Define the intended use
Drinking water, food preparation and process water may have different requirements. Explain who uses the supply and for what purpose. Appropriate tests should identify the relevant contaminants; a TDS reading alone is not a complete water-quality assessment.
Size for actual operations
- Estimated daily demand and the busiest hour.
- Available production hours and refill time.
- Usable treated-water storage.
- Rated output under your inlet conditions.
- A suitable backup supply during downtime.
Inspect the site constraints
Check inlet-water conditions, pretreatment, power, drain routing, access, storage hygiene and distribution. Ask how reject water is handled and whether any reuse proposal is suitable for the intended purpose. Do not assume reject water is safe for drinking or food preparation.
Agree on operation and maintenance
Assign responsibility for checks, test reports and service records. Request the exact installed configuration, performance information, commissioning checks, downtime arrangements and ongoing costs in the quotation. Confirm any regulatory obligations separately with an appropriate qualified adviser.