Update on water resources management and infrastructure
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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. Rio Grande. Water Table. Wells. Aquifer. Background: Ground and surface water resources.

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UPDATE on water resources management and infrastructure

John M. Stomp III, PE,Chief Operating OfficerAlbuquerque Bernalillo County Water Utility Authority

May2014


Rio Grande

Water Table

Wells

Aquifer

Background: Ground and surface water resources

  • Aquifer can no longer sustainably supply water at needed levels

  • Additional sources and management are required

San Juan-Chama


Albuquerque Ground-Water Levels Show Huge Declines

Pumping Cone of Depression in 2002


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


300,000

Renewable

200,000

Recycling

Conservation

New

sources

Water Demand (acre-feet/year)

Non-Renewable

100,000

~100KAFY Surface Water

Owned by Water Authority

Aquifer

Drawdown

~50KAFY Renewable Groundwater

0

2000

2020

2040

2060

1960

1980

Year

Water Authority’s water resource management strategy includes:


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


San Juan-Chama Project


Reservoir Operations


Surface Water Supplies - Storage Projections


Transition to Renewable Supplies – SJC DWP


SJC DWP Restricted Diversions During Drought

Remaining Ground Water Use

Drought

Minimum Ground Water Use


Drinking Water Project Operations

  • 2008 – 367 (1%)

  • 2009 – 21,357 (21%)

  • 2010 – 42,803 (40%)

  • 2011 – 41,281 (40%)

  • 2012 – 43,208 (41%)

  • 2013 – 39,929 (42%)

  • 2014 – 40,000 (?)


Groundwater Storage and Water Levels - Recent trends with DWP


What is happening to the aquifer?

DWP Online


Future Reduced Depletions and Available Return Flows

  • More return flow is expected to be available in the future for other uses


ASR Projects

  • Bear Canyon Arroyo ASR Project

    • 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


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


Overall Satisfaction with the Services

Provided by the Water Authority

94% of customers are satisfied


Water Rates Should Be Increased to Cover the True Costs to Treat and Deliver Water to Our Homes and Businesses

64% of customers agree


Investing in the Repair and Replacement ofOld Water & Sewer Lines

88% of customers feel it

is important


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.


Condition of Sewer Lines

The majority (60%) of residential customers report satisfaction regarding the condition of sewer lines, though 17% say they are dissatisfied.


Water and Wastewater Service Charges- Residential 5/8” Meter


Bill Comparison – Local Low Use


Bill Comparison – Local High Use


Bill Comparison – Regional Low Use


Water Commodity Rates – FY14/15


Finance Plan Summary

in thousands


Increase CIP Spending

in thousands


Asset Management Program defines needed CIP renewal spending


Revenue shortfall will delay ramp-up in Renewal Program spending


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