Wauwatosa Sanitary Sewer System Evaluation & Rehabilitation

Wauwatosa, WI

Project Overview

Regulatory requirements required the City of Wauwatosa to reduce flows in its sanitary sewer collection system. The City was interested in taking a close look at their private property sources of infiltration and inflow. The best means of accomplishing this was through the use of dye water flooding to identify cracks and leaks in the private infrastructure. raSmith recommended taking a holistic approach by looking at public and private sources of infiltration and inflow to develop the most cost-effective implementation plan for bringing areas back into regulatory compliance.

The City sought raSmith’s expertise as they have experienced and appreciate our staff’s willingness to think outside the box. raSmith demonstrated creativity beyond engineering by developing a consistent testing protocol City-wide that provided an apples-to-apples comparison of their collection system during wet weather versus normal weather conditions.

As a result of this project, the City is now better prepared to quantify public and private system deficiencies that need correction; pinpoint future sources of private property issues; vet various techniques that are sustainable and cost-effective, and develop a long-range sustainable plan for implementation of system-wide solutions.

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