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B. Regional Sanitary Sewer The AUAR included preparation of a sewer analysis to fully investigate the effects of the proposed land use scenarios on the systems. Sewer capacity was noted as an issue in the original AUAR. The 2010 AUAR Update discussed the Lino Lakes Relief Interceptor (MCES 70-29) that was constructed to address capacity for the area. Additionally, the sewer was extended along 21st Avenue as well as other trunk improvements to serve development within the study area in conformance with the AUAR and the Comprehensive Plan. No other regional sewer projects have occurred since the 2010 AUAR Update. This study remains valid for this AUAR Update. C. Regional Water System The AUAR included an analysis of the city's water system as it related to possible development in the AUAR Study Area. The city is currently in the process of updating its Wellhead Protection Plan. Part 1 of the plan has been approved by the Minnesota Department of Health and Part 2 is currently under review. This update process is in conformance with the AUAR mitigation plan. D. Potential Environmental Hazards Item 9 in the original AUAR included a review of past land use in relation to potential environmental hazards. This section was updated and includes a review of the Minnesota Pollution Control Agency's "What's in My Neighborhood" database. The results are in Appendix C. No significant changes occurred and the mitigation plan remains valid for the AUAR Update. E. Stormwater Management On November 12, 2014, the RCWD adopted revised rules that affect the I -35E Corridor study area. These rules became effective December 1, 2014. These rules supersede past rules or requirements that were in the 2010 and 2005 AUAR and also incorporate the Resource Management Plan that was added in the 2010 AUAR Update. These rules are now in effect for development in the study area and the mitigation plan has been updated accordingly. F. Ecologically Sensitive Areas The AUAR included review and analysis of the ecologically sensitive areas within the study area. For this update, the DNR Natural Heritage Database information was updated and is included in Appendix B. This update contains additional known occurrences of rare species or natural communities within a one -mile radius of the study area as compared to the data from the original AUAR. The mitigation plan is adequate to address these sensitive ecological areas and the remaining AUAR analysis remains valid for this update. Five Year Update Lino Lakes I -35E Corridor Alternative Urban Areawide Review WSB Project No. 2029-95 Page 4