City Council Meeting Date: July 21, 2021
To: Members of the Environmental Quality Commission
From: Justin Wagner, Utilities Manager
Title
Presentation Regarding City's Wastewater Treatment Plant's Facility Plan Update.
Body
Action Requested:
The EQC receives a presentation regarding the City of Northfield's Wastewater Treatment Plant's Facility Plan Update.
Summary Report:
On June 15, 2021, the City Council passed a motion adopting the WWTP (Wastewater Treatment Plant) Facility Plan Update. The EQC will receive a presentation on the Facility Plan Update and its findings.
The WWTP Facility Plan Update consisted of three separate sections:
1) Phase 1 - Operations Assessment, previously presented to Council and included in appendix
2) Phase 2 - Condition Assessment - previously presented to Council and included in appendix
3) Phase 3 - Facility Plan (Attachment 1) - consider motion approving tonight to Council
As part of the Facility Plan, Jacobs Engineering Group updated the Wastewater Treatment Plant's Facility Plan from 2016. The objectives of this Facility Study update included:
1) Review and update projected flows and loads to 2040.
2) Review the 2016 Facility Plan improvements, document the updated status of improvements that have already been completed, and identify additional improvement alternatives that were uncovered as part of the Operational Assessment and Condition Assessment. Provide updated cost estimates for updates and revisions that are identified.
3) Review the 2016 Facility Plan project costs and provide updated cost summaries based on the status of improvements that are already completed and the updates and revisions identified for this Facility Plan Update.
As part of the flows and loads projections through 2040, the following plant influent load projections were identified in Table 2-5 of the Facility Plan Update which is listed below.
Table 2-5. Design Capacity and Projected Flows and Loads
Item
Original/Permitted Desig...
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