indiana’s water supply: managing the resource, avoiding conflict - sustainable natural resources...
DESCRIPTION
Slides from presentation given by Jack Wittman, PhD, National Director, Layne Geosciences, at Indiana Sustainable Natural Resources Task Force 3/28/12 meeting.TRANSCRIPT
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Indiana’s Water Supply Managing the resource, avoiding conflict
JACK WITTMAN, PHD NATIONAL DIRECTOR LAYNE GEOSCIENCES April, 2012
Indiana Wildlife Federation
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Indiana’s Water Supply Managing the resource, avoiding conflict
JACK WITTMAN, PHD NATIONAL DIRECTOR LAYNE GEOSCIENCES April, 2012
Indiana Wildlife Federation
![Page 3: Indiana’s Water Supply: Managing the resource, avoiding conflict - Sustainable Natural Resources Task Force 3/28/12](https://reader035.vdocuments.net/reader035/viewer/2022081404/55876979d8b42ace0b8b45ab/html5/thumbnails/3.jpg)
Do we have a water problem?
Is the past our future?
Climate change?
Recent droughts – result of
unplanned growth?
Is Indiana vulnerable to
shortages?
Price/Value of water
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Hydrologic Cycle – what
matters
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Hydrologic Cycle – what
matters
We have
rules to
protect
quality
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Important Questions
DEMAND
How much do we use/need?
Where, when?
SUPPLY
How much water is available?
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(More) Important Questions
Does our economy depend on
water?
Is water valuable?
How much do we have?
Where? When?
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Indiana Water Budget
About 3 – 4 feet of
precipitation / year
1 foot of water in all the
streams
About ½ to ¼ ft recharge to
groundwater (where there
are aquifers)
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How much water do we
have?
Depends on location
Surface water
Groundwater
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Hydro-Geography of Indiana
Surface water Ground water (shallow)
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Hydro-Geography of Indiana
Surface water Ground water (shallow)
Great Lakes
Annex 2001
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Groundwater availability
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Where do we need water?
Where we have demand
Where infrastructure exists
Where there will be growth
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Where do we use water?
Cities
Power Plants
Industrial facilities
Irrigation
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Transportation Infrastructure
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Growth (green)
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Do We Know the Risk?
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Large demand,
marginal supplies
Growing demand,
vulnerable
supplies
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What are the challenges?
Interbasin transfer
Aquifer storage
Ecosystem flows
Jurisdictions
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Water Supply Planning
Planning is the norm
TX, KY, VA, PA, MI
Management of resource
Growth
Regional demand
Collective self-interest
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Risk of Regional Shortages
Barely adequate local supplies in Central Indiana
Limited groundwater in Southern Indiana
Growth and infrastructure investment in the South
Regional planning the norm (MI, IL, KY)
New law on groundwater may be made in court
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Water Policy and Law
Indiana’s water “grid” is a patchwork of local systems.
Local concerns
Limited resources
No investment
Difficult to integrate
1+1+1 = 1
Regional systems
Reliable
Resilient
Diversified
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Water Policy and Law
Evolution of regional systems
Rethink the water grid
Physical infrastructure
Institutional infrastructure
Economic incentives
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Water Policy and Law
Rethinking local control
IURC needs to revisit water pricing policy
Need incentives for wholesale water providers
Regional systems can manage supply, local utilities
can manage demand and deliver
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Drought Proofing
Ohio River is a sustainable
supply in the South
Bank filtration could be the best of surface water and
groundwater
Drought-proof supplies in
aquifers along the River
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Answers
Does our economy depend on
water? YES
Is water valuable? YES
How much do we have?
GW: 100 M acre feet
Price $300 - $3000/AF
$30 - $300 B
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What needs to happen?
Modernize regulatory
infrastructure
Develop statutory guidance
Survey resource
Map needs
Consider options
Make investment priorities
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We decide our
future