Agenda - Council - 07/28/2015 - Laserfiche WebLink

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• Maximizing the amount of water storage in a minimum amount of space Project Benefits The benefits include: • Annual potable water reduction estimated at 450,000 gallons • Annual cost savings of more than $1,600 What may help other Communities? Partnerships and Incentives • The Metropolitan Council granted $100,000 to the City for the rainwater harvesting system • Capitol Region Watershed District granted $246,500 to the City for the rainwater harvesting system • The Metropolitan Council funded the OMF rainwater conveyance retrofit ($82,800) • All Metropolitan Council funds are sourced from the Clean Water Land and Legacy Amendment Lessons Learned • Take officials on tours of similar projects to help them feel comfortable about supporting innovative stormwater reuse projects • Pay close attention to the roof; are there HVAC units that have condensate that should be piped away from the rainwater harvesting area? • Work closely with MDH to determine the appropriate level of water treatment Awards and Recognitions • 2015 Clean Water Champion Award Contact the Community NEED DETAILS Savage and Burnsville: Water Supply Partnership For the past 6 years the Cities of Savage and Burnsville have worked together to utilize quarry water that was previously discarded to the Minnesota River as part of mining operations at the Kraemer Quarry in Burnsville. Annually, via a water use agreement, Burnsville provides more than 600 million gallons of potable water to Savage, which accounts for about 79% of their annual demand. The partnership has reduced groundwater pumping between the Cities of Savage and Burnsville by 1.1 to 1.2 billion gallons per year. This reduction in pumping has resulted in rebounding water levels in the Jordan Aquifer since the project came on-line in 2009. The $14 million project included construction of a quarry surface water intake, supply watermains and water treatment plant addition and upgrades. Project Implementation Prior to construction agreements and funding between Burnsville and the City of Savage, State of Minnesota and Kraemer Mining and Materials were required. As lead agency, Burnsville constructed the surface water intake which consists of two pumping stations along with connecting water system infrastructure to convey water to the existing water treatment plant. An addition was made to the plant to allow for treatment of this water. Additional improvements to enhance water aesthics made by Burnsville after completion of the initial project included a Granular Activated Carbon building, surface water drainage improvements and baffling improvements to the finished water reservoir. WATER SUPPLY MASTER COMMUNITY HIGHLIGHTS PLAN- Draft June 2015