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Wherever there’s water, there’s Clean Water..
Water Quality Trading in Oregon’s Tualatin River
Watershed
Charles Logue, PEDirector, Regulatory Affairs Dept.
Conservation Markets Roundtable – May 5, 2006
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Wherever there’s water, there’s Clean Water..
Why is Clean Water Services interested in “markets”
• Pollution control alone is not going to achieve restoration of our watershed
• We are implementing an Integrated Water Resources Management (IWRM) approach
• We are interested in cost-effective, partnering opportunities to go beyond regulatory mandates
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Wherever there’s water, there’s Clean Water..
2001 Temperature TMDL, Current vs. Allocatedi.e. the “System Potential”
45
50
55
60
65
70
75
80
05101520253035404550556065707580
River Mile
Stre
am T
empe
ratu
re (o F)
Current Condition
Non-Point Source Allocation and Point Source Wasteload Allocation
Left Bank
Right Bank
Forest Land Agriculture Lands Urban Lands Transportation
Land Use Gaston West Linn
Some Reaches areStratified Between RiverMile 0 and River Mile 27
Temperature differential
Current
WLAWQ Std
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Wherever there’s water, there’s Clean Water..
Temperature Reduction Options
• Reduce influent wastewater temperature
• Remove discharge from Tualatin River
• Mechanical Cooling/Refrigeration of discharge
• Trade Heat Load for Flow Augmentation and Increased Shading
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Wherever there’s water, there’s Clean Water..
What Clean Water Services has done to date
• February, 2004 – Watershed-based NPDES permit issued– Allows for WQ trading
• Thermal load – temperature• Oxygen load – biochemical and nitrogenous OD
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Wherever there’s water, there’s Clean Water..
Thermal Load WQ Credit Trading
• Thermal Load (kcal/day) from WWTP’s Trade cooling credits of instream flow
augmentation released from Hagg Lake Reservoir
Trade riparian stream surface shading improvements
• Effluent Reuse in lieu of irrigation withdrawals
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Wherever there’s water, there’s Clean Water..
Shade Credit Calculation
• Potential Solar Load for a Stream Reach = WidthReach X LengthReach x 480 kcal/ft2/day
• Solar Load shaded= potential solar load X effective shade
Shade Credit = W x L x 480 x % eff. shade
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Wherever there’s water, there’s Clean Water..
How is Clean Water Services Achieving the Riparian Shading?
• Market-value basedUsed stakeholder workgroup to develop program
• Developed an Enhanced CREP program• Increased $ incentives to rural landowners
Leverage of existing Federal and State programs • Incentive payments to Soil & Water
Conservation DistrictActing as agents of Clean Water Services
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Wherever there’s water, there’s Clean Water..
Enhanced CREP cost breakdown
• Five-year program cost estimate: $2.2 million
• Clean Water Services share: $820,000 (37%)
• Partners share: $1.38 million (63%)
Note: A mechanical solution (effluent refrigeration) would have cost $50+ million plus $2 million/yr O&M costs
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Wherever there’s water, there’s Clean Water..
In Summary, over the 5-yr term of permit, CWS will…
1. release 30 cfs/d stored water in July and August2. shade roughly 35 miles of tributary riparian area
• Shading requirement is based on a 2:1 trading ratio• To date, have over 9 ½ miles planted
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Wherever there’s water, there’s Clean Water..
What are Clean Water Services interested in doing next
• Supporting the efforts to expand WQ trading activities to other watersheds
• Supporting the development and expansion of conservation markets in Oregon
• Supporting the concept of collaborative conservation
• Breaking down the institutional barriers that currently is impeding progress
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Wherever there’s water, there’s Clean Water..
The “key” watershed messages..
Think outside the conventional regulatory framework
Look for “non-traditional” partnership opportunities
Spend the resources where they do the greatest good
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Wherever there’s water, there’s Clean Water..
Questions I have
• What is the best approach to get the resource agencies in alignment with this approach?
• What is the best approach to limit the 3rd party litigation under the CWA when undertaking innovative approaches?
• What is the best approach to minimize the political parochial behaviors?
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Wherever there’s water, there’s Clean Water..
QUESTIONS ???QUESTIONS ???
Charles LogueCharles Logue503-681-3604503-681-3604
loguec@cleanwaterservices.orgwww.cleanwaterservices.orgwww.cleanwaterservices.org