City of Corona Sanitary Sewer Inflow and Infiltration Study

The City of Corona's Utilities Department is seeking a qualified firm to conduct a comprehensive Sanitary Sewer Infiltration and Inflow (I&I) Study across various locations within the city, with the specific sites to be determined. This study aims to assess and identify sources of excess water entering the sanitary sewer system, particularly during the upcoming rainy season, to improve system performance and prevent overflows. The city's sewer infrastructure includes approximately 435 miles of gravity flow lines, 22 miles of force mains, 2,280 manholes, and 17 lift stations, all of which are maintained and repaired by the Utility Department. The contract is valued between $500,000 and $1,500,000, and interested firms are encouraged to respond by April 21, 2025. The solicitation, identified as RFP 25-044AG, is issued by the City of Corona, California, with the primary point of contact being Alana Guerra. Proposals can be submitted via the provided online portal, and the project requires expertise in sewer system evaluation, environmental assessment, and infrastructure analysis. The contract aims to enhance the city's sewer system reliability and capacity by identifying and mitigating sources of inflow and infiltration, ultimately supporting sustainable urban infrastructure management.