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Sustainable Water Management

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Introduction

» Solutions to water problems require the consideration of cultural, educational, communication and scientific aspects

» Sustainable methods to manage water resources in Illinois, Minnesota, Wisconsin and Iowa require accounting for the needs of both future and present users

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Benefits

» A prudent use of water systems improves chances for availablity of water for future generations

» Water sustainability mitigates sociological and economic consequences related to water shortages

» Water can be used as a regenerative energy source

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Challenges

» Local water demand exceeding the capacity of available water resources especially due to growth in urban areas and climate change

» Reduced renewable supply of natural water resources due to careless handling of wastewater, agricultural byproducts and chemicals

» Aging sanitary sewer and water distribution systems» Conservation effort causing problems with existing

sanitary sewer systems

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» Installed ultrahigh efficiency

boilers. Two (2) were installed to better match demands throughout the year, which equates to energy savings.

» Update remaining HVAC system and control to manage building environments with lowest energy requirements.

» Remote telemetry control and centralized control will be utilized.

Case Study: Duluth, MinnesotaLakewood Water Treatment Facility HVAC

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» The filter improvement

system designed by MSA for the City of Duluth saves backwash water and chemical.

Case Study: Duluth, MinnesotaFilter Improvement

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» MSA designed a SCADA

(supervisory control and data acquisition) project with gas, water, and sewer under one platform.

» The operation improvements on the gas system alone allowed for a short payback on the entire investment.

Case Study: Duluth, MinnesotaSCADA

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» MSA worked with the

City of Beaver Dam, WI to design a new booster station and tower for off-peak pumping to meet the high demands during the day peak hours.

Case Study: Beaver Dam, WisconsinTower and Booster Station

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» Replaced 3,750 linear

feet (12%) of existing watermain in system

» Reduced water loss from 34% to 12%

Case Study: Three Lakes, WisconsinWatermain Replacements

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» Premium efficiency pump

motor, reduced pumping rate for reduced annual electrical costs, reduced sized gen-set.

» Recycled material to lessen environmental impact:• Concrete cement• Masonry block cement• Asphaltic pavement• Topsoil (90% was recycled)

Case Study: Horicon, WisconsinWellhouse #5