Reduction of Improper Inflows
Support the Utilities of the Treatment Services in the Design and Implementation of Plans for the Management and Reduction of Improper Inflows. 
Solution
- Differentiated and integrated approach to the management of improper inflows
- Implementation of a robust methodology for quantification of excess volumes
- Monitoring of flows and prioritisation of drainage basins
- Definition and implementation of actions to reduce improper inflows
- Capacity building and training of Utilities
.
Portfolio
- Methodology applied in the AQUAPOR Group’s Concessions since 2014 and in several customers with different sizes.
- With the assertive identification of the improper inflows and quantification of their magnitude, the implemented actions have allowed improper inflows to the systems to be reduced
- Provision of services for the determination and Control of Improper Inflows in the Águas do Tejo Atlântico networks.
Phase 1 – Diagnosis
Characterisation of the system;
Evaluation system;
Scale and origin of improper inflows;
Identification of drainage basins
Phase 2 – Monitoring
Monitoring of flows;
Inspection of critical components of the system (CCTV in collectors, inspection of manholes);
Scale and origin of improper inflows;
Smoke tests;
Building inspections.
Phase 3 – Corrective Actions
Definition of the corrective action programme with investment planning for the rehabilitation/renovation of infrastructures and installation of control solutions.
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