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Water Resource Challenges From Energy Production
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Major Types of Power Generation in SRB- Total 15,300 Megawatts -
37.5%
4.0%12.0%
15.5%
31.0%
Nuclear
Coal
Natural Gas
Hydroelectric
Other
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Marcellus Shale Gas
Developmentin the
Susquehanna River Basin
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The Basin:• 27,510-square-mile watershed • Comprises 43 percent of the
Chesapeake Bay watershed• 4.2 million population• 60 percent forested• 32,000+ miles of waterways
The Susquehanna River:• 444 miles, largest tributary to the Chesapeake Bay• Supplies 18 million gallons a minute to the Bay
Susquehanna River Basin
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GeographicLocation
of MarcellusShale within
Susq. River Basin
72% of Basin(20,000 Sq. Miles)
Underlainby Marcellus Shale
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Approximate Amount ofNatural Gas in Marcellus Shale
• U.S. currently produces approx. 30 trillion cubic feet per year of natural gas.
• Estimates range from 200 to 1,000 trillion cubic feet contained in Marcellus Shale.
• Approx. 10% of that is recoverable.• Approx. 20 to 100 trillion cubic feet
available from Marcellus.
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Shale Gas Well DevelopmentYear # Pads Approved
2008 ~50
2009 321
2010 (est.) ~1,000
2015 ????
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Actual Water UseMarcellus Gas Wells
• Total Water Withdrawn (6/08 – 3/10): 433.0 MGal– Approximately 200 wells drilled to date– 177.2 MGal from public water supply (41%)– 255.8 MGal from surface water sites (59%)
• Average Total Vol. of Fluid Used per Well: 2.8 MGal– Average fresh water used per well: 2.4 MGal (86%)– Average flowback reuse per well: 0.4 MGal (14%)
• Average Recovery of Fluids: 11.9% (First 30-days)– Reuse Approx. 60 %– Disposal Approx. 40 %
184 Wells Reported
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Surface Water Review
• Waterbody classification
• Aquatic resource survey
• Passby evaluation
• Natural diversity inventory
• Land access agreement
• Cumulative impact evaluation
• Aquatic invasive species
• Intake design & metering plan
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Maximum Daily Consumptive Usein Susquehanna River Basin
Projected Maximum Current Maximum
325
5030 22 10
0
50
100
150
200
250
300
350
400
Water Supply Recreation Gas Wells Manufacturing Mining
MG
D
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Current Consideration
• Science-based decision making,• Cumulative impacts – data driven,• Timing and location of withdrawals important,• Disposal of produced fluids and brines,• Remote real-time water quality monitoring,• The move from exploration to production may
necessitate yet more regulatory changes,• Water use can be accommodated.
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Shale Gas Development in theSusquehanna River Basin
April 7, 2010 U.S. Energy Information Administration
Jim Richenderfer, Ph.D.Acting ChiefWater Resources Management Div.Susquehanna River Basin CommissionTelephone: (717) 238-0425E-mail: [email protected]