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  • User Log In
    Projects Completed Projects Professional Services Programs Initiatives Yahara WINs Metrogro Pretreatment Mercury Chloride Reduction Phosphorus Harvesting Hauled Waste Education Take a Tour Pollution Prevention Treatment Plant Process Bird Observation Area Planning Facility Plans Budget Finance Permits Ordinances Sustainability User Log

    Original URL path: http://www.madsewer.org/Login?returnurl=%2fHome%2fNews (2016-05-01)
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  • Commission Meeting Archive
    September 10 2015 August 27 2015 August 13 2015 July 30 2015 July 16 2015 July 8 2015 June 25 2015 June 18 2015 June 11 2015 May 28 2015 May 14 2015 April 30 2015 April 16 2015 March 26 2015 March 12 2015 February 26 2015 February 12 2015 January 29 2015 January 15 2015 December 11 2014 November 26 2014 November 13 2014 October 30 2014 October

    Original URL path: http://www.madsewer.org/About-Us/Commission-Meeting-Archive (2016-05-01)
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  • Commission Subcommittee on Adaptive Management
    08 06 2014 Scheduled Meeting Agenda RCPP Pre Proposal 8 6 14 Minutes 08 21 2014 Scheduled Meeting Agenda 8 21 14 Minutes 09 18 2014 Scheduled Meeting Agenda 9 18 14 Minutes 10 23 2014 Scheduled Meeting Agenda 10 23 14 Minutes 11 19 2014 Scheduled Meeting Agenda 11 19 14 Power Point 2015 Meeting Dates Potential Topics 11 19 14 Summary 12 18 2014 Scheduled Meeting Agenda 12

    Original URL path: http://www.madsewer.org/CommissionSubcommitteeonAdaptiveManagement (2016-05-01)
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  • User Log In
    Projects Completed Projects Professional Services Programs Initiatives Yahara WINs Metrogro Pretreatment Mercury Chloride Reduction Phosphorus Harvesting Hauled Waste Education Take a Tour Pollution Prevention Treatment Plant Process Bird Observation Area Planning Facility Plans Budget Finance Permits Ordinances Sustainability User Log

    Original URL path: http://www.madsewer.org/Login?returnurl=%2fAbout-Us%2fCommission (2016-05-01)
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  • Chloride FAQ
    those areas they are promoting the use of potassium chloride over sodium chloride Q What makes hard water hard A Rainwater that falls is soft It does not contain any minerals As it percolates through the soil water dissolves minerals which can include calcium and magnesium Water with substantial amounts of calcium and magnesium is referred to as hard water Q How do you measure hardness A Hardness is measured in terms of grains per gallon g gal or milligrams per liter mg L If you were to evaporate one gallon of water that had a hardness of 5 g gal the residue would be the equal to one 5 grain aspirin tablet Laboratories often record hardness as mg L or parts per million ppm One g gal of hardness is equal to 17 1 mg L of hardness In the example above 5 g gal equals 85 5 mg L hardness Water that is 10 g gal or more is considered very hard Q What is the problem with hard water A The minerals in hard water can be deposited as scale on pipes and in hot water heaters They also chemically interact with soaps and detergents and make them less efficient For example it takes 50 to 75 less detergent to clean laundry in soft water than in hard water Q Why is my water hard A Most drinking water in Dane County comes from groundwater held in a sandstone dolomite aquifer far below the surface The wells that supply water for the Madison Water Utility range from 744 feet deep to 1175 feet deep Dolomite is composed of calcium magnesium carbonate and is the source of the minerals that make our water hard The hardness of water from the Madison Water Utility is typically 16 to 24 g gal Groundwater in northern Wisconsin is 4 to 7 g gal and is considered moderately hard The following map shows water hardness across the United States Q How is Water Softened A Home water softeners have two tanks a mineral tank that contains a resin in the form of small beads and a brine tank which holds the sodium chloride salt solution As water flows through the mineral tank the hard minerals magnesium Mg and calcium Ca ions replace sodium Na ions on the resin This process is called ion exchange The water that flows out is considered soft because sodium ions do not build up on pipes as lime or interfere with detergents and soaps Q What is the Regeneration Cycle A Eventually the resin reaches its limit as to how much calcium and magnesium it can hold At this point the resin is flushed with a strong brine solution from the brine tank Because of its high salt concentration the brine washes off the calcium and magnesium and replaces them with sodium The minerals and brine wash go down the drain and into the sewer system New salt must be added regularly to the brine tank to

    Original URL path: http://www.madsewer.org/Programs-Initiatives/ChlorideFAQ (2016-05-01)
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  • Madison Metropolitan Sewerage District > Projects > Northeast Interceptor > Collection System Projects- FAQs
    they are located From the local sewers the flow continues on into interceptor sewers Interceptor sewers typically carry flow from multiple municipalities and are owned and maintained by MMSD Q What is a Forcemain A A forcemain is a pipe that carries sanitary flow under pressure It is the sewer that is connected to the discharge end of a pumping station Unlike interceptors forcemains are not required to be installed with proper slope since they do not rely on gravity to function In combination forcemains and pumping stations are able to convey wastewater over long distances and varying terrain Q What is a Pumping Station A A pump station or lift station is used to move waste to higher elevations The pump station constructed as part of this project will be one of five major pump stations that conveys water directly to MMSD s treatment plant The pump station will look similar to the photo below Q Will Construction Impact Traffic A Construction activities will impact local roads Temporary road closures will be necessary at some periods during construction MMSD will work closely with local property owners and businesses to minimize community impacts Future newsletters will provide more information on

    Original URL path: http://www.madsewer.org/Projects/Northeast-Interceptor/Collection-System-Projects-FAQs (2016-05-01)
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  • Yahara WINs FAQ
    in most watersheds the majority of phosphorus reaching lakes and streams comes from non point sources which include runoff from agricultural fields construction sites and urban areas Usually each source of phosphorus has independently put phosphorus control practices in place Resulting approaches tend to be expensive resource intensive and discharge focused In addition independent actions result in missed opportunities to make meaningful improvements in water quality throughout the watershed In adaptive management all sources of phosphorus work collaboratively to implement cost effective phosphorus control practices throughout the watershed Control practices will vary and will likely involve a mix of agricultural and urban best management practices BMPs MMSD and Dane County with multiple partners villages towns cities DNR environmental organizations and farm producers are implementing an adaptive management pilot project in the Yahara Watershed It is anticipated that the pilot project will lead to implementation of a full scale adaptive management project beginning in 2016 Q What is the pilot project A The Wisconsin Department of Natural Resources WDNR or the department has developed numeric water quality criteria for phosphorus These criteria were used as the basis for developing a total maximum daily load TMDL for the Rock River Basin A

    Original URL path: http://www.madsewer.org/Programs-Initiatives/Yahara-WINs/YaharaWINsFAQ (2016-05-01)
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  • User Log In
    Projects Completed Projects Professional Services Programs Initiatives Yahara WINs Metrogro Pretreatment Mercury Chloride Reduction Phosphorus Harvesting Hauled Waste Education Take a Tour Pollution Prevention Treatment Plant Process Bird Observation Area Planning Facility Plans Budget Finance Permits Ordinances Sustainability User Log

    Original URL path: http://www.madsewer.org/Login?returnurl=%2fFAQ (2016-05-01)
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