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UPDATE on water resources management and infrastructure
John M. Stomp III, PE, Chief Operating Officer Albuquerque Bernalillo County Water Utility Authority May2014 John Stomp is the Water Resources Director for the Albuquerque Bernalillo County Water Utility Authority.
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Background: Ground and surface water resources
Aquifer can no longer sustainably supply water at needed levels Additional sources and management are required Aquifer Rio Grande Water Table Wells San Juan-Chama
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Albuquerque Ground-Water Levels Show Huge Declines
Pumping Cone of Depression in 2002
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Water Authority’s 2007 Water Resources Management Strategy
Conservation Reuse for industry and irrigation Use of surface water (Colorado San Juan-Chama trans-basin diversion to Rio Grande) Aquifer storage and recovery (related to surface water treatment) New Supplies
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Water Authority’s water resource management strategy includes:
Non-Renewable 100,000 200,000 300,000 Water Demand (acre-feet/year) Renewable Recycling New sources Year 1960 1980 2000 2020 2040 2060 Conservation ~100KAFY Surface Water Owned by Water Authority Aquifer Drawdown ~50KAFY Renewable Groundwater
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Comparison of Water Conservation Programs – Colorado River Users
Water Authority – 136 gpcd Salt Lake City area – 244 gpcd Tucson – 131 gpcd Phoenix – 251 gpcd Las Vegas – 251 gpcd Los Angeles – 152 gpcd
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San Juan-Chama Project
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Reservoir Operations
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Surface Water Supplies - Storage Projections
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Transition to Renewable Supplies – SJC DWP
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SJC DWP Restricted Diversions During Drought
Remaining Ground Water Use Drought Minimum Ground Water Use
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Drinking Water Project Operations
2008 – (1%) 2009 – 21,357 (21%) 2010 – 42,803 (40%) 2011 – 41,281 (40%) 2012 – 43,208 (41%) 2013 – 39,929 (42%) 2014 – 40,000 (?)
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Groundwater Storage and Water Levels - Recent trends with DWP
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What is happening to the aquifer?
DWP Online
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Future Reduced Depletions and Available Return Flows
More return flow is expected to be available in the future for other uses
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ASR Projects Bear Canyon Arroyo ASR Project Large Scale ASR
Completed two seasons of pilot testing Application for full scale permit to be submitted in March 2014 Large Scale ASR Direct injection Existing Wells – high arsenic In design and testing phase
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Water Authority’s Next Water Resources Management Strategy
Public Process – alternative development Fall 2014 – Fall 2015 Conservation – new goal? Additional Reuse – indirect/direct potable Diversion of native water rights Aquifer storage and recovery (related to surface water treatment) New Supplies
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Overall Satisfaction with the Services Provided by the Water Authority
94% of customers are satisfied
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Water Rates Should Be Increased to Cover the True Costs to Treat and Deliver Water to Our Homes and Businesses 64% of customers agree
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Investing in the Repair and Replacement of Old Water & Sewer Lines
88% of customers feel it is important
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Condition of Water Lines
The majority (57%) of residential customers express satisfaction. However, only 18% are very satisfied and over one-quarter (29%) report dissatisfaction with the condition of water lines. Very Satisfied Somewhat Somewhat/ Very Dissatisfied Condition of the water lines throughout the city such as the number of leaks you observe 2014 18% 39% 29% 2012 25% 31% 26% 2010 43% 15%
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Condition of Sewer Lines
The majority (60%) of residential customers report satisfaction regarding the condition of sewer lines, though 17% say they are dissatisfied. Very Satisfied Somewhat Somewhat/ Very Dissatisfied Condition of the sewer lines throughout the city such as the number of overflows/backups you observe at the city sewer lines or manholes 2014 22% 38% 17% 2012 26% 35% 16% 2010 30% 10%
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Water and Wastewater Service Charges- Residential 5/8” Meter
Item Existing FY2014 Proposed FY 2015 Water $8.63 $9.92 Strategy Implementation $3.95 $4.51 Sewer $8.25 $9.12 Total $20.83 $23.55
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Bill Comparison – Local Low Use
Rio Rancho Water Base Santa fe ABCWUA 4.25 per 1000 to 6000 gal FY up to 7,000 $ 2.32 up to 6,000 4.60 per 1000 to 10,000 gal FY >7,000 4.96 > 10,000gal FY $ 5.54 per 1000 up to 6000 FY
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Bill Comparison – Local High Use
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Bill Comparison – Regional Low Use
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Water Commodity Rates – FY14/15
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Finance Plan Summary 2014 2015 2016 2017 2018 2019 2020 2021 2022 2023 Revenue $182,191 $207,370 $228,393 $233,489 $246,899 $253,926 $255,318 $ 267,313 $ 271,257 $ 277,394 Expenditures $180,783 $196,466 $214,555 $218,581 $227,272 $235,240 $237,979 $248,552 $248,850 $253,900 Revenue over Expenditures $ 1,411 $ 10,904 $ 13,839 $ 14,908 $ 19,627 $ 18,685 $ 17,339 $ 18,790 $ 23,494 Rate Revenue Adjustment 5.00% 0.00% in thousands
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Increase CIP Spending 2014 2015 2016 2017 2018 2019 2020 2021 2022 2023 Basic Rehab w/ Increase AMP Rehab $ 50,000 $ 43,000 $ 46,000 $ 49,000 $ 52,000 $ 55,000 $ 58,000 $ 61,000 $ 64,000 $ 67,000 Steel Line $ 1,000 AMI $ 2,000 Growth $ 4,000 $ 5,000 $ 7,000 $7,000 $ 8,000 in thousands
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Asset Management Program defines needed CIP renewal spending
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Revenue shortfall will delay ramp-up in Renewal Program spending
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