Water System Planning and Hydraulic Modeling Study

The City of Mattoon is accepting sealed proposals for a Water System Planning and Hydraulic Modeling Study.  All questions concerning the contract are due no later than Friday July 10, 2026 at 12:00 pm. Proposals shall be submitted in a sealed envelope or container and labeled with consultant’s name and “Water System Planning and Hydraulic Modeling Study Request for Proposal”. In a separate sealed envelope, your proposed cost to perform the work must be included. Proposals are due by 11:00 A.M. on Wednesday July 22, 2026, at the City Clerk’s office at 208 North 19th Street, Mattoon, Illinois 61938. The proposal must be addressed to City of Mattoon ,Public Works Department, Attn: David Clark, Public Works Director. The right is reserved to waive technicalities and to reject any or all proposals. Addendum #1change to three sites in the request for proposal.