The City of Modesto is soliciting Statements of Qualifications from experienced consulting firms to provide on-call hydrogeological services supporting its water supply and infrastructure programs. The selected firms will assist with groundwater quality assessments, well evaluations, aquifer storage and recovery program development, and other hydrogeological investigations. Services include analyzing groundwater contamination, evaluating treatment alternatives, supporting regulatory coordination, and assisting with well design and rehabilitation. Additional responsibilities may involve subsurface investigations, data management, permitting support, and environmental documentation. The City intends to establish agreements with two to three qualified firms for a one-year term with optional extensions, enabling rapid deployment of expertise for ongoing and future capital improvement projects. This procurement aims to ensure reliable water supply management and compliance with regulatory standards while addressing environmental and operational challenges.