The topic of addressing the city's combined sewage overflow problems returned to City Council discussions Tues.
City management is hoping negotiations with the US Environmental Protection Agency conclude soon, so the city can resolve the CSO.
Regardless of the solution, the cost is expected to be about $200 million.
The city also has a backlog of about $50 million in other stormwater projects.
To cover the overall cost, City Manager Patrick Urich says Peoria will likely issue bonds, to be repaid from two sources.