Peshastin Irrigation District Pipeline
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Chelan Co Natural Resource; Peshastin Irrigation District Pipeline (#07-1865)
03/17/2010, Attachment #90905, PID in progress March 17
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Approximately 9900 ft of the Peshastin Irrigation District Canal will be converted from an open canal to a closed pipeline. The construction of a pipeline will eliminate seepage in that reach. The upstream end of the proposed pipeline will tie into a pipeline constructed in 2005 by Peshastin Irrigation District. After the project is completed, the downstream most 3 miles of the Peshastin Canal will have been converted from open canal to pipeline (see attached Figure). The reduction in seepage and water savings from this pipeline project are conservatively estimated to be 1.2 cfs (Kolk, pers. comm. 2007). The total water savings from both pipeline projects is estimated to be 3 to 4 cfs (Anchor, 2007). The water savings will result in reduced diversions from Peshastin Creek and increased instream flow. The 1.2 cfs saved with this project will enhance passage for Chinook salmon and bull trout and will go into the state’s Trust Water Rights Program.
Increasing streamflow in Peshastin Creek is recommended in the Upper Columbia Biological Strategy, the Upper Columbia Salmon Recovery Plan, the Wenatchee Watershed Plan and the TMDL submittal to EPA for Peshastin Creek. This type of project is classified as a Tier 1 project in the Biological Strategy and is needed before implementing other habitat enhancement actions.
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General Area:
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The Peshastin Irrigation District diversion is located on Peshastin Creek 2.4 miles upstream from its
confluence with the Wenatchee River near Dryden.
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County:
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Chelan
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Legislative District:
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12
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Congressional District 2022:
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08
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Salmon Recovery Regions:
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Upper Columbia River
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Watershed Administrative Unit:
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Lower Mission Creek
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HUC8:
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Wenatchee (17020011)
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WRIA:
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Wenatchee
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Sections:
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06
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Township:
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T23NR19E
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Coordinates:
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47.51406233
-120.51503538
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| Worksite Name | Scope of Work | Actual Restoration Cost |
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Peshastin Irrigation Canal (#1)
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Architectural & Engineering (A&E), Cultural resources, Fish screens installed (C.1.c.1), Irrigation practice improvement (C.3.e.1), Obtain permits
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$1,047,159
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| | Total | $1,047,159 |
Amounts may not be complete
| Worksite Name | | Property Name | Landowner Type |
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Peshastin Irrigation Canal (#1)
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Property 1 - Peshastin Irrigation Canal
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Private
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Amounts may not be complete
| | Category / Work Type / Metric | Final |
Restoration Metrics (rolled up from Worksite level) |
Instream Flow Project |
| Irrigation practice improvement (C.3.e.1) |
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Acre Feet Of Water Conserved (C.3.e.2)
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1376
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Cfs (Cubic Feet Per Second) Of Water Conserved (C.3.e.3)
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2
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Permits |
| Obtain permits |
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Number of permits required for implementation of project
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2
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| Milestone Name | Target Date | Description |
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Project Start
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12/13/2007
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Special Conditions Met
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01/29/2008
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Compliance with Executive Order 05-05 (cultural resources) was met via the Department of Archaeology & Historic Preservation letter concurring that this project is exempt.
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RFP Complete
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03/01/2008
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Construction plans complete.
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Bid Awarded/Consultant Hired
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03/15/2008
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Construction contract awarded.
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A&E Plans Submitted
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03/31/2008
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Submit final designs to RCO-SRFB prior to construction.
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Annual Project Billing Due
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07/31/2009
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Construction Started
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11/30/2009
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Coordinate with irrigation season. - Delayed due to Section 106/EO 05-05 consultation
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Annual Project Billing Due
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07/31/2010
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Construction Complete
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10/31/2011
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Factors in potential delays in construction. Target date for system in use was 5/31/2009.
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Monitor/Steward Plan Submitted
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12/31/2011
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Submit written documentation that saved water from this project has been dedicated/enrolled in the Washington Water Trust program.
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Agreement End Date
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12/31/2011
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Monitoring Complete
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12/31/2011
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Final Docs/Billing to Mgmt Agy
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03/31/2012
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