Request for Proposals (RFP) Wastewater Treatment Plant Environmental Audit

Agency:	City of Sioux City
State:	Nebraska
Type of Government:	State & Local
NAICS Category:	221320 - Sewage Treatment Facilities 237110 - Water and Sewer Line and Related Structures Construction 541620 - Environmental Consulting Services
Posted Date:	Dec 26, 2025
Due Date:	Jan 21, 2026
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The City of Sioux City, Iowa is hereby soliciting consultant proposals for professional services to perform a comprehensive environmental audit for the Wastewater Treatment Plant (WWTP).

Proposals due January 21, 2026 at 3pm CST

Questions due January 9, 2026 at 4:30 pm CST

Project Manager Tom Pingel, Utilities Director

Request RFP from svlahoulis@sioux-city.org and annskaggs@sioux-city.org

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