South Walker Water System

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South Walker Water System
Scott Conners, P.E -City Engineer Alan
Pennington, P.E. -Moore Bruggink Consulting
Engineers
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Public Utilities

• Watermain

Water supply and wastewater collection and
treatment systems are basic infrastructure needs
of communities worldwide, playing a key role in
public health and in the elimination of disease.
(Purcell, 2003, Design of Water Resources
Systems)
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South Walker Water
Background Information

• Walker is a customer community to Grand Rapids
• Walker residents served by public watermain are
  retail customers to Grand Rapids
• Public water is available from OBrien Road north
• Our contractual service district with GR includes
  all of south Walker

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South Walker Water

• Walker receives a lot of complaints about the
  quality of well water in south Walker
• South Walker contains many large undeveloped and
  underdeveloped parcels

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Existing Source of Water for South Walker

• Water Wells
• Wells range from 30 to 240 in depth

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Well Log
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Well Log
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Water Quality Problems with Wells in South Walker

• Shallow wells Elevated Nitrates
• - Public Health Risk
• Deep wells Elevated Sulfates, iron, chlorides,
  hardness
• - Secondary Contaminants

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Typical Well in South Walker
Agricultural Fertilizers
Lawn Fertilizers
Well
Septic Tank
Sand
Drainfield
30
Clay
Sand
60
Clay
Shale/Gypsum Limestone
140
Sandstone
240
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Public Water System

• Municipality or Authority provides safe,
  reliable potable
• water to customers.
• Grand Rapids water source is Lake Michigan
• Water is filtered on the coast and pumped to
  Grand Rapids
• and other customers of the system through 2
  large pipelines.
• Distribution watermains carry water to
  individual customers.

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South Walker Water
Conceptual Water System Design

• 2005/2006 preliminary design and analysis
• Looking at long term build out
• Sizing of watermains
• Connectivity
• Potential Phasing of System

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South Walker Water
Public Input Phase User Groups

• Tallmadge Township
• Millennium Park
• Christian School System Grandville Schools
• Mineral Mining Operator Large Property Owners
• Goodale, Land Company, Dykstra, Diversco, etc.
• Neighborhood Groups Associations
• Riverbend
• Hall Street
• Serenity Ridge

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South Walker Water
Property Owners Contacted
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South Walker Water System Costs and Funding

• System funding proposed for Wilson Avenue
  watermain
• Potential funding available for construction of
  system backbone as early as 2007
• Funding for remaining distribution mains would be
  private or special assessment

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South Walker Water
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South Walker Water
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South Walker Water
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Special Assessments

• Can fund watermain and water service to property
  line

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Typical Special Assessment Payment for 4,500 at
6 interest
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Typical Special Assessment Payment for 9,000 at
6 interest
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Typical Special Assessment Payment for 13,500 at
6 interest
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Special Assessments

• Can fund watermain and water service to property
  line

• Property owners petition City for watermain
  project

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Special Assessments

• Can fund watermain and water service to property
  line

• Property owners petition City for watermain
  project

• Hearing of Necessity

• Design project to verify project costs

• Hearing on the Roll

• Construct Project

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What is needed?

• Determine interest level for watermain extension

• Petition the City for a watermain project.

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Questions and Comments