Hood River Basin Study

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1 Hood River Basin Study Agenda 1). Goals 2). Partners 3). Study Overview 4). Recommendations

2 Goals Evaluate: 1. Current and future water demands 2. Water conservation opportunities 3. Groundwater resources 4. Impacts of climate change to streamflow 5. Alternatives to maintain viable water use/supply 6. Impacts to fish habitat from climate and water supply alternatives

3 Partners 1. Hood River Water Planning Group Formed in 2008, stakeholders throughout Hood River Basin 2. United States Bureau of Reclamation (BOR) $250,000 in-kind contribution through WaterSMART Basin Study program. 3. Oregon Water Resources Department (OWRD) $250,000 Water Conservation, Reuse, and Storage Grant. - Watershed Professional Network (Water Use, Water Conservation, PM) - Normandeau Associates (IFIM) - HRC, USGS (Groundwater)

4 Overview of Water Planning Study Climate Change Models Historical Meteorological 3 sets of Projected Meteorological Historical Precipitation Water Use Water Conservation Water Storage Surface Water Model (DHSVM) Groundwater Model (MODFLOW) Existing WR Infrastructure Existing WR Operations Existing Water Demands Water Rights Future Water Demands Water conservation Population change Potential new storage site(s) 4 Different Scenarios: 1 Historical streamflow timeseries 3 Projected streamflow timeseries Well pumping scenario? ASR scenario? Water Resources Model (MODSIM) Instream Flow AWS / Q relationships Evaluation of WR Metrics under Each Alternatives: Deliveries (shortfall amount, duration, % of time, cost) Reservoir volumes Hydropower Production Streamflows Habitat Suitability Analysis

5 Overview of Water Planning Study Climate Change Models Historical Meteorological 3 sets of Projected Meteorological Historical Precipitation Water Use Water Conservation Water Storage Surface Water Model (DHSVM) Groundwater Model (MODFLOW) Existing WR Infrastructure Existing WR Operations Existing Water Demands Water Rights Future Water Demands Water conservation Population change Potential new storage site(s) 4 Different Scenarios: 1 Historical streamflow timeseries 3 Projected streamflow timeseries Well pumping scenario? ASR scenario? Water Resources Model (MODSIM) Instream Flow AWS / Q relationships Evaluation of WR Metrics under Each Alternatives: Deliveries (shortfall amount, duration, % of time, cost) Reservoir volumes Hydropower Production Streamflows Habitat Suitability Analysis

6 Water Use Potable Average Annual Monthly Water Use Water Use (Million Gallons) Water Use (CFS) Oct Nov Dec Jan Feb Mar Apr May Jun Jul Aug Sept City of Hood River Crystal Springs Ice Fountain Oak Grove City of Hood River Crystal Springs Ice Fountain Oak Grove Odell Parkdale The Dalles Odell Parkdale The Dalles

7 Water Use - Irrigation Farmers Irrigation District Average Monthly Diversion (cfs) Oct Nov Dec Jan Feb Mar Apr May Jun Jul Aug Sept DID EFID FID MFID MHID

8 Water Use - Hydropower

9 Water Use - Hydropower FID Plant 2 Plant 3 Flow (CFS) Oct Nov Dec Jan Feb Mar Apr May Jun Jul Aug Sept

10 Water Use - Hydropower 60 MFID 50 Flow (CFS) Plant 1 Plant 2 Plant 3 Oct Nov Dec Jan Feb Mar Apr May Jun Jul Aug Sept

11 Water Use - Instream 8 instream rights (priority dates from ) 2 instream flow agreements (no priority dates)

12 Overview of Water Planning Study Climate Change Models Historical Meteorological 3 sets of Projected Meteorological Historical Precipitation Water Use Water Conservation Water Storage Surface Water Model (DHSVM) Groundwater Model (MODFLOW) Existing WR Infrastructure Existing WR Operations Existing Water Demands Water Rights Future Water Demands Water conservation Population change Potential new storage site(s) 4 Different Scenarios: 1 Historical streamflow timeseries 3 Projected streamflow timeseries Well pumping scenario? ASR scenario? Water Resources Model (MODSIM) Instream Flow AWS / Q relationships Evaluation of WR Metrics under Each Alternatives: Deliveries (shortfall amount, duration, % of time, cost) Reservoir volumes Hydropower Production Streamflows Habitat Suitability Analysis

13 Water Conservation - Potable Potential Water Savings (cfs) Toilet Retrofit Shower Retrofit Rate Structure Changes Outdoor Conservation 0 Oct Nov Dec Jan Feb Mar Apr May Jun Jul Aug Sept

14 Water Conservation - Irrigation Potential Savings (cfs) Sprinkler / Soil Moisture Sensor Pipe / Operational 0 DID EFID FID MFID MHID

15 Overview of Water Planning Study Climate Change Models Historical Meteorological 3 sets of Projected Meteorological Historical Precipitation Water Use Water Conservation Water Storage Surface Water Model (DHSVM) Groundwater Model (MODFLOW) Existing WR Infrastructure Existing WR Operations Existing Water Demands Water Rights Future Water Demands Water conservation Population change Potential new storage site(s) 4 Different Scenarios: 1 Historical streamflow timeseries 3 Projected streamflow timeseries Well pumping scenario? ASR scenario? Water Resources Model (MODSIM) Instream Flow AWS / Q relationships Evaluation of WR Metrics under Each Alternatives: Deliveries (shortfall amount, duration, % of time, cost) Reservoir volumes Hydropower Production Streamflows Habitat Suitability Analysis

16 Water Storage

17 Water Storage Site District (new/expand) Volume (ac-ft) Notes: 1. Cost depends on source of material. 2. Release rate calculated on 3 month release 3. Cost/cfs based on average cost (e.g., $20M for EFID) and 3 month release Cost 1 Release 2 (cfs) Cost / cfs 3 Neal Creek EFID (new) 2,557 $13-27M 14 $ 1.4M/cfs Kingsley Res. FID (expand) 561 $ M 3 $ 0.6M/cfs Laurance Lake MFID (expand) 370 $ 0.3M 2 $ 0.15M/cfs

18 Overview of Water Planning Study Climate Change Models Historical Meteorological 3 sets of Projected Meteorological Historical Precipitation Water Use Water Conservation Water Storage Surface Water Model (DHSVM) Groundwater Model (MODFLOW) Existing WR Infrastructure Existing WR Operations Existing Water Demands Water Rights Future Water Demands Water conservation Population change Potential new storage site(s) 4 Different Scenarios: 1 Historical streamflow timeseries 3 Projected streamflow timeseries Well pumping scenario? ASR scenario? Water Resources Model (MODSIM) Instream Flow AWS / Q relationships Evaluation of WR Metrics under Each Alternatives: Deliveries (shortfall amount, duration, % of time, cost) Reservoir volumes Hydropower Production Streamflows Habitat Suitability Analysis

19 Climate Change - temp & precip projections Climate Change Scenario More Warming Dry (MW/D) Median (MED) Less Warming Wet (LW/W) Average Precipitation Change (%) Average Temperature Change ( F) Winter Spring Summer Fall Avg. Winter Spring Summer Fall Avg different climate scenarios

20 Overview of Water Planning Study Climate Change Models Historical Meteorological 3 sets of Projected Meteorological Historical Precipitation Water Use Water Conservation Water Storage Surface Water Model (DHSVM) Groundwater Model (MODFLOW) Existing WR Infrastructure Existing WR Operations Existing Water Demands Water Rights Future Water Demands Water conservation Population change Potential new storage site(s) 4 Different Scenarios: 1 Historical streamflow timeseries 3 Projected streamflow timeseries Well pumping scenario? ASR scenario? Water Resources Model (MODSIM) Instream Flow AWS / Q relationships Evaluation of WR Metrics under Each Alternatives: Deliveries (shortfall amount, duration, % of time, cost) Reservoir volumes Hydropower Production Streamflows Habitat Suitability Analysis

21 Surface Water Model - Snow Relative Extent (%) 100% 90% 80% 70% 60% 50% 40% 30% 20% 10% 0% Modeled Basin-Wide Snow Extent Monthly Averages Oct Nov Dec Jan Feb Mar Apr May Jun Jul Aug Sep Month

22 Surface Water Model - Glaciers

23 Surface Water Model - Streamflow

24 Overview of Water Planning Study Climate Change Models Historical Meteorological Water Use Existing WR Infrastructure Existing WR Operations Existing Water Demands Water Rights Water Conservation Future Water Demands Water conservation Population change Water Storage Potential new storage site(s) 3 sets of Projected Meteorological Surface Water Model (DHSVM) 4 Different Scenarios: 1 Historical streamflow timeseries 3 Projected streamflow timeseries Water Resources Model (MODSIM) Evaluation of WR Metrics under Each Alternatives: Deliveries (shortfall amount, duration, % of time, cost) Reservoir volumes Hydropower Production Streamflows Historical Precipitation Groundwater Model (MODFLOW) Well pumping scenario? ASR scenario? Instream Flow AWS / Q relationships Habitat Suitability Analysis

25 Overview of Water Planning Study Climate Change Models Historical Meteorological Water Use Existing WR Infrastructure Existing WR Operations Existing Water Demands Water Rights Water Conservation Future Water Demands Water conservation Population change Water Storage Potential new storage site(s) 3 sets of Projected Meteorological Surface Water Model (DHSVM) 4 Different Scenarios: 1 Historical streamflow timeseries 3 Projected streamflow timeseries Water Resources Model (MODSIM) Evaluation of WR Metrics under Each Alternatives: Deliveries (shortfall amount, duration, % of time, cost) Reservoir volumes Hydropower Production Streamflows Historical Precipitation Groundwater Model (MODFLOW) Well pumping scenario? ASR scenario? Instream Flow AWS / Q relationships Habitat Suitability Analysis

26 Water Resource Modeling - Schematic

27 Water Resource Modeling - Alternatives ALT. DESCRIPTION CLIMATE1 WATER DEMANDS2 WATER CONSERVATION3 WATER STORAGE4 Base Historic climate, existing demands Historic ( ) Existing Existing Existing Existing Future climate, existing demands Future ( ) Existing Existing Existing Demands Future climate, future demands Future ( ) Future (potable & irrig. increases) Existing Existing Conservation Future climate, future demands, water conservation. Future ( ) Future (potable & irrig. increases) Future (irrig. water conservation) Existing Storage Future climate, future demands, water conservation, additional storage. Future ( ) Future (potable & irrig. increases) Future (irrig. water conservation) Existing & New Storage (larger FID & MFID, new EFID)

28 Water Resource Modeling - Results Different climate scenarios

29 Water Resource Modeling - Results East Fork Above Middle Fork, Monthly Mean Flows 600 BASE MI, Existing MI, Demands MI, Conservation MI, Storage 500 Flow (cfs) Oct Nov Dec Jan Feb Mar Apr May Different water resource alternatives Jun Jul Aug Sep

30 Water Resource Modeling - Results East Fork Above Middle Fork, Monthly Mean Flows 180 BASE MI, Existing MI, Demands MI, Conservation MI, Storage Flow (cfs) June July Aug Different water resource alternatives Sept

31 Overview of Water Planning Study Climate Change Models Historical Meteorological Water Use Existing WR Infrastructure Existing WR Operations Existing Water Demands Water Rights Water Conservation Future Water Demands Water conservation Population change Water Storage Potential new storage site(s) 3 sets of Projected Meteorological Surface Water Model (DHSVM) 4 Different Scenarios: 1 Historical streamflow timeseries 3 Projected streamflow timeseries Water Resources Model (MODSIM) Evaluation of WR Metrics under Each Alternatives: Deliveries (shortfall amount, duration, % of time, cost) Reservoir volumes Hydropower Production Streamflows Historical Precipitation Groundwater Model (MODFLOW) Well pumping scenario? ASR scenario? Instream Flow AWS / Q relationships Habitat Suitability Analysis

32 Instream Flow IFIM study of 5 reaches: Neal Creek East Fork (upper) East Fork (lower) Green Point West Fork Species of concern: Chinook Coho Steelhead Bull trout

33 Base (WY )

34 Base (WY )

35 Base (WY )

36 Existing (WY )

37 Demands (WY )

38 Conservation (WY )

39 Storage (WY )

40 Potential Actions Potable Type Period Savings (CFS) Cost ($M) Cost per CFS Toilet Retrofit All 0.4 $ 2.6 M $ 7.2M/cfs $225 rebate/home Shower Retrofit All 0.2 $ 0.8 M $ 4.0 M/cfs $50 rebate/home Summer 0.5 n/a n/a -25% of current outdoor All (Summer) 1.8 (1.0) n/a n/a 25% rate increase DID Summer 0.5 $ 0.2 M $ 0.4 M/cfs EFID Summer 7.6 $2.7 M $ 0.4 M/cfs FID Summer 1.3 $ 0.6 M $ 0.4 M/cfs MFID Summer 6.0 $ 2.5 M $ 0.4 M/cfs MHID Summer 0.5 $ 0.2 M $ 0.4 M/cfs DID Summer 1.5 $ 1.4 M $ 0.95 M/cfs EFID Summer 21+ $28 M $ 1.3 M/cfs Outdoor Storage Piping Sprinkler Upgrade Rate structure FID/MFID/MHID Notes Limited EFID (new) summer 14 $13-27M $ 1.4 M/cfs 2,557 ac-ft FID (expand) summer 3 $ M $ 0.6 M/cfs 561 ac-ft MFID (expand) summer 2 $ 0.3 M $ 0.15 M/cfs 370 ac-ft

41 Recommendations Implement irrigation efficiency upgrades Reduce or eliminate overflows and canal seepage in EFID Further evaluate expanding storage at Green Point and Laurance Lake Collect data for use in future analysis of reservoir storage in EFID Collect/use additional data for optimal streamflows for aquatic habitat Expand groundwater data collection Implement projects for increased summer streamflow and flexibility Refine modeling that was done as part of this Basin Study -particularly glacier, groundwater, stream temperature Other?

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