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04-22-24-WS
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04-22-24-WS
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Following the comprehensive plan amendment, the TCAAP Redevelopment Code (TRC) <br />and TCAAP Regulating Plan were updated with the following zoning changes: <br />• 12.9 acres rezoned from NR-4 to NR-3 <br />• 21 acres rezoned from Flex Office to NR-3 <br />• 11.4 acres rezoned from Flex Office to NR-4 <br />The TRC Ordinance amendment to reflect the rezoning was approved on January 8, 2024, <br />and the updated Regulating Plan is included in Attachment A. <br />Both development scenarios would be compatible with the future land uses identified in the <br />2040 Comprehensive Plan and with the TRC. No mitigation measures are necessary. <br />4.2.3. Water Resources <br />Wetlands 9P <br />In the 2014 AUAR, 14.4 acres of wetland were identified within the study area. All 14.4 acres <br />were assumed to be jurisdictional. Later in 2014, the US Army Corps of Engineers (USACE) <br />issued an Approved Jurisdictional Determination (AJD) for the site, concluding that only <br />three wetlands within the site are regulated by the USACE. The Rice Creek Watershed <br />District (RCWD) also provided a notice of determination (NOD) under the state Wetland <br />Conservation Act. The AJD and NOD have been extended since the 2019 AUAR: the AJD <br />expires in January 2025 and the NOD expires in November 2025. Permits to be obtained <br />from the USACE and RCWD are included in Table 6. <br />No additional mitigation measures are needed based on this updated information. <br />4.2.4. Contamination/Hazardous Materials/Solid Wastes <br />On September 23, 2019, the soil and surface water at the TCAAP site were removed from <br />the federal Superfund list (National Priorities List). The TCAAP soil and surface water were <br />removed from the state Superfund list (Permanent List of Priorities) on April 22, 2020. The US <br />Army's cleanup efforts under the Comprehensive Environmental Response, Compensation, <br />and Liability Act (CERCLA) are ongoing, however. <br />Historical releases of hazardous substances from the former TCAAP site into Round Lake, <br />located south of the AUAR study area, resulted in sediment contamination in the lake. An <br />evaluation of impacts to Round Lake sediment concluded in 2021, and a Record of <br />Decision (ROD) for the Proposed Plan for cleanup at Round Lake was finalized in 2022. The <br />US Army is responsible for these cleanup activities. Within the TCAAP site, the US Army also <br />completed optimization of the TCAAP Groundwater Recovery System in 2022.4 <br />In 2023, the US Army completed a preliminary assessment and site inspection on the current <br />or potential historical use of per- and polyfluoroalkyl substances (PFAS) at the TCAAP site in <br />accordance with CERCLA, the National Oil and Hazardous Substances Pollution <br />Contingency Plan, and Army/Department of Defense policy and guidance. PFAS was <br />4 Additional information on remediation of the broader TCAAP site is available at <br />https://webapp.pca.state.mn.us/cleanup/search/superfund?site Id=47112-AREA0000000014 and <br />https://vvww.tcaar)rab.ora/ <br />TCAAP AUAR Update 8 <br />April 2024 <br />
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