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Evironmental Board <br />April 27, 2016 <br />Page 2 <br />A. Mattamy Homes/Watermark Preliminary Plat Watermark PUD Residential <br />Community <br />Mr. Asleson presented the background on the proposed developed "Watermark". It <br />is 372 ac. on NE side of city. The site is bounded by I 35E on the east side, 20th Ave <br />on the west, the Park & Ride area on the south and Rehbein St on the north. The site <br />consists of residential density mix of single family lots and townhomes totaling 876 <br />housing units. <br />Soils —Recommendation: Soils should be monitored and no soils shall be imported <br />on to the site without City staff approval. And any gravel or other pervious areas <br />encountered in excavation areas for ponds and created wetland and general <br />excavation must be sealed. <br />Landcover — Recommendation: "Big -woods, Eastern Hardwood Forest" types of <br />tree and vegetation should be incorporated into the landscape plan. <br />Comprehensive Plan — Recommendation: This Greenway addresses the intentions <br />of the Resource Management Plan as much as practical using the multi -functional <br />use approach including integrating passive and active recreational opportunities, <br />cultural integration, as well as ensuring the natural resource preservation of existing <br />site elements (wetlands and soils) through the use of stormwater design, wetland <br />protection, native plantings, and design for the benefit of people and wildlife of <br />concern <br />Surface Water Management — The developer has chosen an approved method of <br />volume and water quality treatment. The Environmental Board had previously <br />recommended that water reuse be used to the maximum amount practical. <br />Recommendation: Enhance the BMP's for stormwater treatment train to the <br />maximum amount practical including the use of berms, sand iron filtration systems <br />and soil modification. The <br />Stormwater Pollution Prevent Plan — A SWPPP must be designed that addresses all <br />aspects of the contract signed with the MPCA. <br />AUAR Considerations — AUAR included review and analysis of the ecologically <br />sensitive areas with in the study area. Consideration for the Herons and the loss of <br />habitat is an issue that could be addressed in the preservation of wetlands and the <br />creation of new water features. Recommendation: Incorporate shallow <br />areas/benches in pond/mitigation area where practical. <br />Additional Cultural Elements - The Resources Management Plan calls for unified, <br />and contiguous approach to open space, trails and resources, integrated into a green <br />way corridor. <br />APPROVED MINUTES <br />