The Payback:Capitalizing on Your Water Loss

March 22, 2011

B dl P S d P EBradley P. Sanderson, P.E.Vice President

Michele L. Piotrowski, P.E., LEED APProject Manager

Engineering Enterprises, Inc.

Did You Know….

An Estimated 6 Billion out of 40 Billion Gallons of Water Produced is Lost in the

U.S. a day?

Source: USGS

The Vicious Water CycleyInadequate InvestmentInvestment

No Water Audit, Higher Losses

Poor Asset Management

Higher Losses, Higher Costs

Lack of Maintenance

Less Water Available for Di t ib ti Maintenance

Less Income to E t d S t

Distribution

Extend System Life

Why Be Concerned With Water Loss?Why Be Concerned With Water Loss?

Water Is a Limited Resource

Water Is a Limited Resource Financial ImpactFinancial Impact

Demand to Do More With LessDemand to Do More With Less

Good Stewardship

Good Stewardship

Potential Regulatory

Requirement

Potential Regulatory

Requirement

Raised Public Awareness &

Political Influence

Raised Public Awareness &

Political Influence

Overview

• AWWA M36 Highlights• AWWA M36 Highlights• Water Loss Reduction Strategy• Integrating Audit Results Into The Budget• Benefits of Water Loss Control• Keys to Success

AWWA M36 Highlightsg g

Goal: “The Accountable and Efficient Management of Water Supplies”

AWWA M36 Highlightsg g

Unaccounted For WaterFor Water

AWWA M36 Highlightsg g

Revenue Water• Billed Authorized

Usage

Revenue Water

Water

• Unbilled Authorized Usage

Production Non-Revenue Water

g• Real Losses – Leakage,

etc.• Apparent Losses –

Meter Inaccuracies, etc.

Water Loss Reduction StrategygyTraditional Approach

How Much Money Do We Have?

Count Breaks/Bursts

What are the Worst Mains?What are the Worst Mains?

Defer to Operator for PressureDefer to Operator for Pressure Adjustments

Fix Worst Mains Based on Money Available

Water Loss Reduction StrategygyTraditional Approach

Water Loss Reduction Strategy

Perform a Water

gyProactive Approach

Audit

Assess Components of N R W tNon-Revenue Water

Develop Baseline –Performance IndicatorsPerformance Indicators

Analyze Data and Strategize/PrioritizeStrategize/Prioritize

Set Goals

Budget & Implement into CIPinto CIP

Water Loss Reduction StrategyThe Water AuditThe Water Audit

• Starting Point• Starting PointSta t g o t• Desktop Exercise• Water Produced, Sold, and Lost• Verify Production Meter Accuracy

Sta t g o t• Desktop Exercise• Water Produced, Sold, and Lost• Verify Production Meter Accuracy

Top-down Approach

• Verify Production Meter Accuracy• Verify Production Meter Accuracy

• Desktop Exercise• Desktop ExerciseComponent Desktop Exercise• Review of Utility Records

Desktop Exercise• Review of Utility Records

Component Analysis

• Field Studies• Most Detailed• Field Studies• Most DetailedBottom-up Approach• Most Beneficial• Most Beneficial

p pp

R l Pressure Management Economic Level of

Real Losses

Real Losses Real Losses

Unavoidable

Speed and Quality of

Active Leakage

Annual Real Losses

Q yRepairs

Leakage Control

Potentially Recoverable Real Losses

Pipeline and Assets

Management:

Current Annual Real Losses g

Selection, Maintenance,

Renewal, Replacement

Real Losses

A t Reduction ofMeter Errors Economic Level of

Apparent Losses

Apparent Losses Apparent Losses

Unavoidable

Reduction of Theft

Reduction of

Apparent Losses

Theft Human Error

Potentially Recoverable Apparent Losses

Reduction of Computer

Current Apparent Losses Computer

ErrorLosses

Water Loss Reduction StrategySetting GoalsSetting Goals

Water Loss Target?

Keeping the Elected Officials

I f d?

Finding the Economic

Level of Water L ? Informed?Losses?

MeetingM i i i Meeting Regulatory

Requirements?Maximizing

Profitability?

Ultimately…Select the Planning Objectives

Water Loss Reduction StrategySetting GoalsSetting Goals

• CMAP 2050 Plan Supports Water Loss Control

• Legislative Requirement?– State of TexasState of Texas – State of Georgia

Delaware River Basin Commission– Delaware River Basin Commission– Pennsylvania Public Utility Commission

• Maximum 8% Water Loss for Lake Michigan Users

Integrating Results Into The Budgetg g g

Distribution SystemDistribution System Operation and Maintenance

Maintaining Proper Inventory

Checking Proper Operation and Control of Pumps for Tanks

Asset Management and GIS Mapping of System ComponentsAsset Management and GIS Mapping of System Components

Leak Detection Surveys/Studies and Leak Repair

Pressure Management

Increased Surveillance in Targeted AreasIncreased Surveillance in Targeted Areas

Integrating Results Into The Budgetg g g

Capital Improvements ProjectsCapital Improvements ProjectsMeter Testing and Replacement (Production and Individual)

Water Main Rehabilitation and Replacement

Software Upgrades (GIS, SCADA, Billing, etc.)

Integrating Results Into The Budgetg g g

Prioritize by Determining Economic Level of Water Loss

Benefits of Water Loss Controle e ts o ate oss Co t o

Reduced Operational CostsReduced Operational Costs• Energy Costs • Chemical Costs

Reduced Lost Opportunity CostsReduced Lost Opportunity Costs

Maximized/Increased Revenue

Benefits of Water Loss ControlBenefits of Water Loss Control10

R i d C itRequired CapacityBefore Water Loss Control

Downsizing

Existing Capacity

Delay

5

MG

D)

Baseline

Existing Capacity

paci

ty (M

Demand AfterWater Loss Control

0Cap

2010 20302020 2040

Time

Keys to Successy

• Get Started• Consistently Complete Audit (Annually)• Team Approachpp• Express Loss in Real Terms…

Gallons or $ not %Gallons or $, not %• The More Detail…The Better The Results• Budget to Repair Defects Found in Audit

Keys to Successy

H i T h i l dHaving Technical and Financial Resources to Get

Started:Started:

USDA

US Department of Housing g(CDBG)

AWWA Free Water Audit SoftwareAWWA Free Water Audit Software - Version 4.2 (June 2010)

Keys to Success

Change How We Think and Pay for Water

QuestionsQuestions

Bradley P. Sanderson, P.E.Vice PresidentVice President

Michele L Piotrowski P E LEED APMichele L. Piotrowski, P.E., LEED APProject Manager

Engineering Enterprises IncEngineering Enterprises, Inc.mpiotrowski@eeiweb.com

(630) 466-6700( )