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File #: 16-5839    Name: Consideration of options to accelerate combined sewer overflow mitigation efforts in the City’s Long Term Control Plan Update to the Virginia Department of Environmental Quality
Type: Status: Agenda Ready
File created: 10/26/2016 In control: City Council Legislative Meeting
On agenda: 11/9/2016 Final action:
Title: Consideration of Options to Accelerate Combined Sewer Overflow Mitigation Efforts in the City's Long Term Control Plan Update to the Virginia Department of Environmental Quality.
Attachments: 1. 16-5839_May 14, 2016 City Council Docket Memo .pdf, 2. 16-5839_CSO-001 Alternatives Schedule.pdf, 3. 16-5839_After Items
City of Alexandria, Virginia
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MEMORANDUM



DATE: NOVEMBER 2, 2016

TO: THE HONORABLE MAYOR AND MEMBERS OF CITY COUNCIL

FROM: MARK B. JINKS, CITY MANAGER /s/

DOCKET TITLE:
TITLE
Consideration of Options to Accelerate Combined Sewer Overflow Mitigation Efforts in the City's Long Term Control Plan Update to the Virginia Department of Environmental Quality.
BODY
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ISSUE: City Council consideration of options to accelerate combined sewer overflow mitigation efforts in the City's Long Term Control Plan Update (LTCPU) to the Virginia Department of Environmental Quality (VDEQ) with specific acceleration targets for CSO-001 (Oronoco Bay).

RECOMMENDATION: That City Council take the following action related to the LTCPU for the Combined Sewer System:

1. Direct staff to make the appropriate edits to the final version of the LTCPU to address VDEQ's comments on the draft LTCPU document, and to revise the document to accelerate addressing CSO-001 consistent with Alternative A2 as described in this memo.; and

2. Authorize the City Manager to submit the revised LTCPU document to VDEQ.

BACKGROUND: The City sewer system is regulated by VDEQ and Alexandria remains in compliance with all current permit and Clean Water Act requirements. The City is actively working to reduce the combined sewer overflows that originate from about 5% of our aging sewer system and has submitted an update to our long-term control plan (the LTCPU) that proposes a multi-year, phased approach to significantly reduce the volume of sewer overflows. The draft LTCPU, which City Council authorized (see Attachment 1) after a two year-long public process culminating in a public hearing on May 14, 2016, was submitted to the VDEQ in August. It proposes a combination of storage and treatment, green infrastructure and targeted sewer separation. The LTCPU addresses outfalls CSO-002, CSO-003 and CSO-004 as those are the outf...

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