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What is this?
Take treated sewage effluent through additional advanced treatment to produce water safe for irrigation, industry, aquifer recharge, or indirect drinking supply.
When does it happen?
Continuous at treatment plants. Demand is highest during droughts when conventional sources are stressed.
What data is used?
Influent quality, membrane performance, pathogen monitoring, product water quality tests, demand from reuse customers.
What decision is made?
“Does the treated water meet the required quality standard for its intended use?”
What action follows?
Release to reuse distribution network; divert to further treatment if quality is below standard; adjust membrane or UV dosing.
Related decision patterns
Proven strategies for handling this scenario:
Water reuse systems
Treated wastewater is typically discharged to rivers or the sea. In water-scarce regions, this is a wasted resource that could supplement supply.
Case studies
Real-world examples of this use case in practice: