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October 2022 Alternative Urban Areawide Review Update Page 8 Everton Avenue Neighborhood City of Hugo, MN WSB Project No. 020256-000 36. The stormwater management plan outlined in Option C will be implemented by the developers with oversight and review provided by the City. Through the use of this large, centralized, regional stormwater management system in combination with some on-site ponding, discharge rates can be maintained at pre-development rates for the study area, including the collector roadways. This measure has been followed and will continue to apply. 37. The developer shall be responsible to make certain that the site is graded ap propriately to ensure adequate stormwater management is available to the extent necessary and will be required to obtain the necessary permits for stormwater management and grading. This measure has been followed and will continue to apply. 38. The RCWD requires stormwater treatment and infiltration. Any new development is required to meet the most updated rules of the RCWD. This measure has been updated with this AUAR update to remove old RCWD permit requirements. 39. It is anticipated that ditch blocks will be used along the regional system to prevent the draining of adjacent wetlands. By maintaining the existing stormwater runout elevations, the adjacent wetlands are not anticipated to be impacted. While the regional stormwater management plan has been developed to minimize impact to wetlands, some wetlands may be excavated or otherwise impacted once final plans are developed. Impacts to these wetlands will be analyzed under sequencing standards and if impacts cannot be avoided, they will be mitigated in accordance with the Wetland Conservation Act and Section 404 of the Clean Water Act (U.S. Corps of Engineers). This measure has been followed where needed and will continue to apply. 40. UPDATED: MPCA standards will be enforced for on-site sewage systems. Compliance will be monitored as required. It is assumed that no new on -site sewage systems will be constructed in the area. Reconstruction or rehabilitation of existing systems will be allowed in areas of Large Lot Residential land uses. It is expected that any reconstruction or rehabilitation of existing systems would be done in accordance with applicable standards . If existing Subsurface Sewage Treatment Systems (SSTS) systems are discontinued, or if unused SSTS are discovered, they will be properly abandoned and a County permit for septic system abandonment will be obtained. This measure has been followed and will continue to apply. 41. The study area (except the large lot areas) will be served by municipal sewer that flows to the MCES Interceptor with eventual treatment at the MCES Wastewater Treatment Plant facilities. Municipal sewer will be constructed as part of private development in the study area. This measure has been followed and will continue to apply. 42. COMPLETED : A sanitary sewer lift station will be constructed by the development projects in the northwestern portion of the study area. This item has been completed. Item removed as it has been completed. 43. Many of the soils in the study area are classified as poorly drained. While these soils do not always meet wetland criteria, they do pose constraints for construction. Housing developments are anticipated to be clustered to avoid hydric soils. Construction will also include slab-on-grade techniques to avoid problems in the study area associated with poorly suited soils. The filling of large areas of unsuitable soils for residential construction will not be permitted within the study area. This will be enforced through City plat review. This measure has been followed and will continue to apply.