The final phase of the Greenwood Retention Pond Project is nearing completion

A drone photo of the completed Phase I project to install 4.5 million gallons of stormwater retention beneath Village property at 9101 Greenwood Ave., while expanding Golf Mill Park above ground. (Photo courtesy of Niles Public Works Street Surt. Tony Dati)

The final phase of the Greenwood Retention Basin project, including all flood retention features and enough surface work for the newly expanded Golf Mill Park to host an event early next month, is nearly complete.

The $11 million project, the largest flood mitigation project ever undertaken by the village, includes the ability to store and retain more than 4.5 million gallons of stormwater in the far northwest of Niles to help alleviate flooding. This part of the project was completed at the end of last year.

Additional above-ground features to combine Golf Mill Park with newly completed park space on the adjacent village-owned parcel at 9101 Greenwood Ave. were recently completed. Permeable pavers, landscaping, electricity, lighting and an electric vehicle charging station, as well as a large open water feature connected to stormwater retention features, are recent additions.

The effect of the new elements is a Golf Mill Park and a festival area twice the size of the old park.

Village officials said: “Stormwater storage is 100% online, providing flood reduction benefits to Courtland Park and Ballard Terrace. Early reports after a wet spring indicate that stormwater improvements are working well.

A sunset drone photo of the completed Phase I project to install 4.5 million gallons of stormwater retention beneath the Village property at 9101 Greenwood Ave., while expanding the Golf Mill Park above of the ground. (Photo courtesy of Niles Public Works Street Surt. Tony Dati)

The project began in October last year after a village-owned office building on plot 9101 Greenwood was razed in September 2018.

The project saw huge stormwater retention vaults built under the old bank building and high-capacity sewer lines stretching across Milwaukee Avenue.

Village officials said the area would be ready to host the 122nd annual Maria SS. Lauretana d’Altavilla Milicia celebrates Labor Day weekend, which has been held at Golf Mill Park and along Church Street for several years.

Additional work on this phase of the project is expected to be completed next spring, village officials said. Another phase of the project, which would install more features in the expanded park, is planned for a future phase of the project.

A drone photo of the completed Phase I project to install 4.5 million gallons of stormwater retention beneath Village property at 9101 Greenwood Ave., while expanding Golf Mill Park above ground. (Photo courtesy of Niles Public Works Street Surt. Tony Dati)

The original budget for the project, just before the construction tender, was $13.4 million. Construction bids came in below expectations at $11 million. Additional funding for the project came from $2 million in funding from Greater Chicago’s Metropolitan Water Reclamation District, as well as an $8.7 million low-interest loan from the Protection Agency. of the Illinois environment.

The village bought the former 9101 Greenwood bank building from the Cunio family, former owners of the Golf Mill shopping center, several years before the site was demolished in 2018 for $2.6 million.

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