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Lake County Public Works  

Grandwood Park Water System

Planning for Grandwood Park Water Supply videoThe Grandwood Park Water System includes the subdivisions of Brookside, Bridlewood, Grandwood Park, Deerpath, Mill Creek Crossing, Shires of Cambridge, Cedar Ridge, Hutchins Woods, Hutchins Oaks Townhomes and Stratton Oaks.

Grandwood Park faces an uncertain future with regard to its water supply. Our local water supply comes from underground aquifers. The demands for water during peak periods are greater than these aquifers can supply. We are currently pumping our shallow aquifers at capacity and are over-pumping our deep aquifer, which is creating low water levels and poor water quality. A decision on long-term sustainable water supply is necessary.

The shallow aquifers have limited recharge capacity, and produce hard water from the minerals that have prompted many users to treat the water with home water softening systems. There are also risks for groundwater contamination from surface sources.

The County previously drilled two deep sandstone wells to supplement the supply. However, these wells are contaminated with naturally occurring radium. The deep well water can only be used when blended with shallow well water or treated to remove the radium, increasing waste disposal costs.

Continued depletion of this groundwater supply is causing serious short and long-term water supply concerns. Water levels in the deep aquifer have been dropping approximately five feet per year. As a result, the County will need to spend millions of dollars on the construction of new deep well and treatment facilities, or find another permanent water source. Even if we construct new wells, their useful life expectancy is limited due to the continued depletion of the underground aquifer by other users.

Reasons to secure a Lake Michigan water supply source

  • Reliable water source
  • Ability to connect to the existing CLCJAWA water system
  • Total Capital Cost: $ 8.3 Million
  • Additional Cost per home: $38/Month based on 200,000 sq ft. home using 6,000 gal/month

Cost to Secure a Lake Michigan Water Supply Source

The most cost-effective and efficient transmission of Lake Michigan water is joining the Central Lake County Joint Action Water Agency (CLCJAWA). Connecting to CLCJAWA allows us to branch off their existing piping network rather than constructing a new pipeline and intake at Lake Michigan.

Cost Information For Grandwood Park
Property Tax Component
Construction Cost - Grandwood Park Portion $150,000 Property $200,000 Property $300,000 Property
County SSA $8.3 Million $13.33/month $18.42/month $25.58/month
CLCJAWA (Tax Expires 2018) $1.50/month $2.58/month $4.08/month
Total   $14.83/month $21.00/month $29.66/month
Water Rate Component
Projected Additional Water Rate 3,000 gal/month usage 6,000 gal/month usage 9,000 gal/month usage
$2.76/1,000 gal $8.28/month $16.56/month $24.84/month

A typical homeowner with a $200,000 home and water usage of 6,000 gallons per month would see a monthly increase of $37.56 in cost, or roughly $1.25 per day.

The projected cost to do nothing right now and react to future water supply problems in crisis mode would be higher. The cost of drilling an additional deep well, and then treating the poor water quality, would only temporarily solve our supply concerns and cost more than making the investment now to guarantee a safe and reliable water supply from Lake Michigan.


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