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The Crescent Hill Reservoir is a rich part of Louisville Water’s history. In June 2025, Louisville Water began a multi-year project to preserve the reservoir. Built in 1879, significant repairs were made in the late 1990s and early 2000s, including securing the berm (grassy perimeter) around the reservoir and installing a heavy-duty liner. Louisville Water will improve the sidewalk and address the aging railing around the reservoir to make sure it meets today’s safety standards.
There are two basins that are part of the reservoir. The north basin is closest to Mary T. Meagher Aquatic Center and the Crescent Hill Golf Course; the south basin is closer to Frankfort Avenue. Each basin will take approximately two years to complete.
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Louisville Water has three large projects and active construction zones underway on our Crescent Hill Treatment Plant property. For safety purposes, we need to close the public’s access to the green space across from the reservoir. Reservoir Avenue sidewalks between Frankfort Avenue and Mary T. Aquatic Center are closed to pedestrians.
The projects also involve closures of the Reservoir, Reservoir Avenue, and sidewalks. To ensure your safety, please respect all fencing and signage. Following is a summary of each project. For more information click here. We recognize this work activity is an inconvenience and we greatly appreciate your understanding as we work to complete these important projects.
Reservoir Relining Project
Our project to reline the reservoir is progressing. The walkway around the reservoir is closed. For construction safety and to accomodate guests to the Marty T. Meagher Aquatic Center, we’re using two traffic patterns.
- Monday – Friday: Reservoir Avenue remains closed on weekdays between Frankfort Avenue and the Aquatic Center. Please use Brownsboro Road to access the Mary T. Meagher Aquatic Center. There is no parking on Reservoir Avenue between Frankfort Avenue and the Aquatic Center. We will tow vehicles that ignore the no-parking ban. The sidewalks in this area of Reservoir Avenue are also closed.
- Reservoir Avenue fully opens to traffic at the close of business every Friday through Monday morning. This opening accommodates weekend activity at the Aquatic Center. The no-parking ban is not in effect but the sidewalks remain closed.
Residual Line Project at Crescent Hill
Louisville Water is building a new residual line to remove treatment residuals from the plant. This line will connect with the newly added residual line we installed along Zorn Avenue and River Road. Currently, our contractor is working on our property that is adjacent to the fountain on Frankfort Avenue.
In the coming weeks, we will bore under Frankfort Avenue. This work will not impact Frankfort Avenue traffic. After boring under the road, the line will run behind our basins parallel to Pennsylvania Avenue. We are currently installing temporary fencing in this area. This will restrict access to the green space from Pennsylvania and portions of Reservoir Avenues. The project is expected to last approximately 12 months. When completed, we will remove the temporary fencing and restore the area.
Crescent Hill PAC System
Louisville Water has started construction activity at the Crescent Hill Treatment plant adjacent to the railroad tracks between Pennsylvania and Reservoir Avenues. The work involves upgrading the existing powder activated carbon (PAC) system and construction of silos for additional PAC storage. PAC is critical to our treatment process, and this upgrade will allow us to improve water quality and continue to meet new drinking water standards. Construction is expected to last approximately 18 months.
To safely access the site, it is necessary to build a temporary access road between Pennsylvania Avenue and the construction site. Residents should expect normal construction activity and noise during the project. It will also be necessary to close the sidewalk between Pennsylvania and Reservoir Avenues. Following the project’s completion, we will remove the access road and restore the sidewalk.
Preserving Our History – Did You Know?
- It took 2 years, 8 months, and 4 days to build the reservoir. The groundbreaking was April 11, 1877, but it did not start operations until December 15, 1879.
Learn more about the reservoir’s history.
See our progress!
- Sediment removal in the north basin.

December 2025

December 2025

December 2025

February 2026

February 2026

February 2026
Curious about what’s happening at the Crescent Hill Reservoir? Check out these videos.
Draining of the north basin – September 2025
Sediment removal in the north basin – December 2025
Project includes:
- Draining the north basin
- Emptying the sediments out of the basin
- Removing the old liner, making repairs, and installing a new liner
- Repeating the process for the south basin
- Addressing the aging iron railing around the reservoir to meet today’s safety standards
We expect it will take up to 50 “truckloads” a day at certain times during the project to remove the sediment. To ensure the safety of the public, Reservoir Avenue will be closed to thru-traffic. Parking on Reservoir Avenue from Frankfort to the Mary T. Meagher Aquatic Center will be prohibited Monday – Friday. Reservoir Avenue will reopen Friday evenings to allow parking through the weekend. Road and parking restrictions will be enforced again starting Monday morning.