20221019-004: Karanam Subdivision Wastewater SER #5575 staff presentation — original pdf

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Karanam Subdivision Wastewater Service Extension Request #5575 What is an SER? • A service extension request, or SER, is an application for City water or wastewater service from a property owner or developer. • SERs are required when a property is located more than 100 feet from an accessible water or wastewater system, or when existing infrastructure isn't adequate for the proposed project demands. • Service may involve the construction of a new line or an associated facility or upgrades to existing lines or facilities. • The applicant pays for the associated infrastructure, as outlined in the SER. SER Process • Per the Land Development Code, SERs require Council approval if the property is in the Drinking Water Protection Zone and outside of the City's full purpose jurisdiction. • Environmental Commission and Water & Wastewater Commission review and make recommendations on SERs that require Council approval. • No conditions can be put on approval of SERs. Background • An SER was previously approved for this site in 2021 and has since expired. • The applicant is not proposing any changes to the SER. • The SER was previously recommended by Environmental Commission, Water and Wastewater Commission, and approved by Council in August 2021. Request Summary • Request for wastewater service (2 LUEs) • 0.62 acres • Redevelopment of a single-family home into two single family homes on two separate lots • Limited purpose jurisdiction • Drinking Water Protection Zone (DWPZ) • Bull Creek Watershed, Water Supply Suburban • Edwards Aquifer Recharge Zone • Council District #10 SER #5575 Site Location Austin City Limits Austin ETJ Edwards Aquifer Recharge Zone Edwards Aquifer Contributing Zone Austin City LimitsETJRechargeContributingAustin City LimitsETJRechargeContributingSite Location SER #5575 Proposed Wastewater Extension Map provided by AWU SER #5575 Description of proposed extension: • Decommission the existing OSSF • Construct 400 feet of low pressure force main from the existing 8-inch gravity wastewater main located in Nashfara Cove, and • Extend west along Nashfara Cove, and then south along D K Ranch Road to the subject tract. SER Review & Evaluation • Bull Creek Watershed, Water Supply Suburban, Edwards Aquifer Recharge Zone • No critical environmental features, wetlands, or recharge features on site • No critical water quality zone or water quality transition zone • Drains to known Jollyville Plateau salamander (Eurycea sosorum) habitat Staff Recommendation Staff recommends approval. Basis for recommendation: Staff review determined that there are no significant environmental risks to extend service to the site. Contact Information Kaela Champlin Watershed Protection Department City of Austin (512) 974-3443 kaela.champlin@austintexas.gov