Avista’s Lake Spokane DO WQAP
-
Upload
autumn-summers -
Category
Documents
-
view
49 -
download
2
description
Transcript of Avista’s Lake Spokane DO WQAP
![Page 1: Avista’s Lake Spokane DO WQAP](https://reader036.fdocuments.net/reader036/viewer/2022062517/5681367d550346895d9e0bb0/html5/thumbnails/1.jpg)
Avista’s Lake Spokane DO WQAP
Meghan LunneyAquatic Resource Specialist
Spokane River and Lake Spokane DO TMDL Advisory Committee
Meeting
May 22, 2013
![Page 2: Avista’s Lake Spokane DO WQAP](https://reader036.fdocuments.net/reader036/viewer/2022062517/5681367d550346895d9e0bb0/html5/thumbnails/2.jpg)
Outline1. Regulatory Context2. Lake Spokane DO WQAP Contents3. Potential Reasonable & Feasible Nutrient Reduction
Measures4. Load Estimates5. Prioritized Measures6. Measuring Progress7. Reporting8. Status
![Page 3: Avista’s Lake Spokane DO WQAP](https://reader036.fdocuments.net/reader036/viewer/2022062517/5681367d550346895d9e0bb0/html5/thumbnails/3.jpg)
Regulatory Context DO impairments, 303(d) Listed
• Nutrients from Point and Non-point Sources• Impoundment creating Lake Spokane increases residence time
for water flowing down the Spokane River• Thermal Stratification
Spokane River and Lake Spokane DO TMDL• WLA, LA, Avista
WA 401 Certification License Amendments Lake Spokane DO WQAP
Source: www.cosee.net
![Page 4: Avista’s Lake Spokane DO WQAP](https://reader036.fdocuments.net/reader036/viewer/2022062517/5681367d550346895d9e0bb0/html5/thumbnails/4.jpg)
Lake Spokane DO WQAP Contents
Estimates proportional responsibility in TPIdentifies potentially reasonable & feasible
measures to improve DO in Lake SpokaneSchedule to analyze, evaluate & implement
such measuresBenchmarks & reporting to track progress10 Years to implement
![Page 5: Avista’s Lake Spokane DO WQAP](https://reader036.fdocuments.net/reader036/viewer/2022062517/5681367d550346895d9e0bb0/html5/thumbnails/5.jpg)
Potential Reasonable & Feasible Nutrient Reduction Measures
Carp ReductionAquatic Weed ManagementWetland RestorationLawn Area ReductionHangman CreekGrazing Land ConversionSeptic Systems EducationIrrigation Pump
![Page 6: Avista’s Lake Spokane DO WQAP](https://reader036.fdocuments.net/reader036/viewer/2022062517/5681367d550346895d9e0bb0/html5/thumbnails/6.jpg)
Load Estimates
![Page 7: Avista’s Lake Spokane DO WQAP](https://reader036.fdocuments.net/reader036/viewer/2022062517/5681367d550346895d9e0bb0/html5/thumbnails/7.jpg)
Prioritized MeasuresAvista will focus initial efforts on two of these
measures:• Carp Population Reduction• Aquatic Weed Management
![Page 8: Avista’s Lake Spokane DO WQAP](https://reader036.fdocuments.net/reader036/viewer/2022062517/5681367d550346895d9e0bb0/html5/thumbnails/8.jpg)
Measure ProgressMonitoring
• Measure specific monitoring• Baseline nutrient monitoring• Habitat analysis
Modeling• Incorporate additional flow regimes (10 years)• Update with new bathymetry
![Page 9: Avista’s Lake Spokane DO WQAP](https://reader036.fdocuments.net/reader036/viewer/2022062517/5681367d550346895d9e0bb0/html5/thumbnails/9.jpg)
Lake Spokane Nutrient Monitoring
![Page 10: Avista’s Lake Spokane DO WQAP](https://reader036.fdocuments.net/reader036/viewer/2022062517/5681367d550346895d9e0bb0/html5/thumbnails/10.jpg)
ReportingAnnual Reports
• Results of Baseline Monitoring• Summarize Implemented Control Measures • Summarize Mitigation Measures to be Implemented in
Upcoming Year• Ongoing Habitat Analysis
Five, Eight, and Ten Year Reports• Annual Reporting Content, plus….• Document Progress Towards Improving DO and Habitat
Conditions in Lake Spokane
![Page 11: Avista’s Lake Spokane DO WQAP](https://reader036.fdocuments.net/reader036/viewer/2022062517/5681367d550346895d9e0bb0/html5/thumbnails/11.jpg)
Lake Spokane DO WQAP Status
Submitted to Ecology in May 2012 Revised and resubmitted it to Ecology Received Ecology Approval in
September 2012 Submitted to FERC for Approval
October 2012 Approved by FERC August 2012
![Page 12: Avista’s Lake Spokane DO WQAP](https://reader036.fdocuments.net/reader036/viewer/2022062517/5681367d550346895d9e0bb0/html5/thumbnails/12.jpg)
QUESTIONS?