City of Alexandria, Virginia
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MEMORANDUM
DATE: APRIL 4, 2018
TO: THE HONORABLE MAYOR AND MEMBERS OF CITY COUNCIL
FROM: MARK B. JINKS, CITY MANAGER /s/
DOCKET TITLE:
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Consideration of the Combined Sewer System Long Term Control Plan Update.
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ISSUE: Consideration of the Draft Long Term Control Plan Update for the Combined Sewer System.
RECOMMENDATION: That City Council take the following actions related to the Long Term Control Plan Update (LTCPU) for the Combined Sewer System:
1. Receive the Draft Long Term Control Plan Update for the Combined Sewer System, herein referred to as LTCPU;
2. Docket the draft LTCPU for Public Hearing on April 14, 2018;
3. Approve the LTCPU with the Unified Tunnel Option (also referred to as Option B+) at the April 24, 2018 Legislative Meeting, following the 30-day public comment period which ends on April 23, 2018;
4. Recognize the Ad Hoc Combined Sewer System Plan Stakeholder Group and thank them for their efforts in providing valuable input during the development of the plan update and their outreach to the civic groups they represented; and
5. Authorize the City Manager to make any appropriate technical or non-substantive changes and submit the Final LTCPU document to the Virginia Department of Environmental Quality.
BACKGROUND: The City of Alexandria has a Combined Sewer System (CSS) dating back to the early 1800s that consists of approximately 540 acres located only in Old Town, which comprises about 5% of the City's entire sanitary sewer system. At the time of its construction, this system was considered "state of the art", but now this system along with about 800 similar sanitary sewer systems in the United States needs to be substantially updated. During dry weather, sanitary wastewater collected in the CSS is conveyed to the Alexandria Renew Enterprises (AlexRenew) wastewater treatment facility. During many rai...
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