Employing the prediction technology of the Sewage Inflow Prediction System together with radar rainfall data, the I&I Investigation can narrow down areas estimated to have high levels of RDI&I within a 500 x 500-meter area.

Radar rainfall data

Historical data of WWTP

Extract time series rainfall volume of the service area from radar rainfall data

Analyze relationships

Volume of RDI&I (calculated from historical data)

Investigation results are displayed on a color-filled contour map for easy verification and prioritization of areas for I&I remediation.

Comparison of investigation methods

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