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File #: 22-1313    Version: 1 Name:
Type: MISCELLANEOUS HEARINGS Status: Agenda Ready
File created: 5/25/2022 In control: Office of Environmental Quality & Sustainability
On agenda: 6/22/2022 Final action:
Title: A public hearing to receive comments on a proposed municipal setting designation to prohibit the use of groundwater as potable water beneath property owned by Dallas Independent School District located near the intersection of Bickers and Greenleaf Streets and adjacent street rights-of-way; and an ordinance authorizing support of the issuance of a municipal setting designation to Dallas Independent School District by the Texas Commission on Environmental Quality and prohibiting the use of groundwater beneath the designated property as potable water - Financing: No cost consideration to the City Recommendation of Staff: Approval
Indexes: 6
Attachments: 1. Map, 2. Ordinance, 3. Exhibit A
Date Ver.Action ByActionResultAction DetailsMeeting DetailsVideo
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STRATEGIC PRIORITY: Environmental & Sustainability
AGENDA DATE: June 22, 2022
COUNCIL DISTRICT(S):|910|DEPARTMENT: Office of Environmental Quality & Sustainability
EXECUTIVE: M. Elizabeth Cedillo-Pereira
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SUBJECT

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A public hearing to receive comments on a proposed municipal setting designation to prohibit the use of groundwater as potable water beneath property owned by Dallas Independent School District located near the intersection of Bickers and Greenleaf Streets and adjacent street rights-of-way; and an ordinance authorizing support of the issuance of a municipal setting designation to Dallas Independent School District by the Texas Commission on Environmental Quality and prohibiting the use of groundwater beneath the designated property as potable water - Financing: No cost consideration to the City
Recommendation of Staff: Approval
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BACKGROUND

Based on information provided by the Applicant, the designated property is underlain by shallow groundwater that is encountered at approximately 14 feet below ground surface (bgs) and extends down to approximately 17 to 21 feet bgs at the top of the underlying Eagle Ford Shale Formation. The Eagle Ford Shale has an estimated thickness of approximately 200-300 feet and is considered an aquitard that protects the underlying aquifers. The direction of groundwater flow beneath the designated property is towards the north, northeast, and west. A portion of the designated groundwater has been affected by arsenic at concentrations above groundwater ingestion standards. The potential onsite source of arsenic is from historical uncontrolled filling of former sand and gravel mining areas on the southwest portion of the property. The potential off-site source is from aerial dispersion of particulates from historical operation of the former RSR lead smelter located approximately 3,300 feet southwest.

The applicant has requested that the City su...

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