The Forgotten Infrastructure - mwra.state.ma.us · The Forgotten Infrastructure June 10, 2014...
Transcript of The Forgotten Infrastructure - mwra.state.ma.us · The Forgotten Infrastructure June 10, 2014...
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Massachusetts Water Resources Authority
Public Officials Breakfast and Caucus
The Forgotten Infrastructure
June 10, 2014
Frederick A. Laskey Executive Director
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About MWRA
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MWRA Service Area
• MWRA provides wholesale water and wastewater services to over 2.5 million customers in 61 communi=es
• On average, MWRA delivers an average of 200 million gallons per day to its water customers, with a peak demand of 350 million gallons
• MWRA collects and treats an average of 350 million gallons of wastewater per day, with a peak capacity of 1.2 billion gallons
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Drinking Water System
– 102 miles of ac=ve transmission mains and tunnels (43 miles on standby) – Two water treatment plants with 430 million gallons per day capacity
– 284 miles of distribu=on mains with over 4700 valves
– 243 million gallons of covered storage
– 11 pump sta=ons
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Make-Up Of MWRA Service Area
• 51 communi=es that get water service – over 6,000 miles of water pipe
• 43 communi=es that get sewer service • Of those, 30 get both water and sewer
– 39 Towns – 20 Ci=es – 1 Fire District
– 37 Boards of Selectmen
– 20 Mayors
– 3 Council Presidents
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Governance
The MWRA is governed by an 11-‐member Board of Directors
Three Gubernatorial Appointees
Secretary of Energy & Environmental Affairs Co-‐terminus with Governor
Resident of Connec=cut River basin Co-‐terminus with Governor
Resident of Merrimack River basin Co-‐terminus with Governor
At least one of these members must be a minority.
Three Advisory Board Appointees
Elected by the Advisory Board 3-‐year term
Elected by the Advisory Board 3-‐year term
Elected by the Advisory Board 3-‐year term
Three City of Boston Appointees
Appointed by Mayor of Boston Co-‐terminus with Mayor
Appointed by Mayor of Boston Co-‐terminus with Mayor
Appointed by Mayor of Boston Co-‐terminus with Mayor Two From Communi;es That Host Major Facili;es
Appointed by Winthrop Council President 4-‐year term
Appointed by Mayor of Quincy Co-‐terminus with Mayor
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History of Boston’s Water System
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• The first se\ler to enjoy a drink of water on Shawmut Peninsula – Reverend William Blackstone
• He came to the Plymouth Colony in 1623 and migrated to Shawmut to live a life of solitude in the area that is now Louisburg Square
• Reason why Massachuse\s Bay Colony picked the site – Blackstone offered the “Great Spring”
1623: The Beginning - Founding Of Boston
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• The Great Spring is commemorated by a plaque on Spring Lane
The “Great Spring” Was Fenced
1645 map of Boston with houses and key locations
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• Several families in the Dock Square area formed the first Corpora=on in the American Colonies to build and use the “Conduit”
• It was the first use of wooden pipes, house services and a terminal reservoir. It provided water for fire figh=ng and consump=on
1652: The “Conduit” –First Water Works In The Colonies
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• People clamored for be\er water
• Entrepreneurs filled the need by bringing water from Jamaica Pond using wooden logs
• Laommi Baldwin Sr. served as engineer to the Jamaica Pond Aqueduct Corpora=on
1796: Privatization Fills A Need
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• Controversy rages for 20 years
• Charles River – Middlesex Canal proposed
• John Jervis, the Engineer for New York’s Croton supply, was brought in to be the ul=mate expert. He had learned his engineering building a por=on of the Erie Canal
• He concluded that the choice of Long Pond was the best and poli=cal support was successfully rallied to endorse the plan
• Work began in 1845
1820s-1840s: Boston System Expansion
John Jervis
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• Long Pond was renamed Lake Cochituate Reservoir
• The system flowed by gravity through a series of distribu=on reservoirs
1848: The Result – The Boston Water Works
Lake Cochituate Intake
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1848: Water Celebration On Boston Common
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• Undersized pipes and low pressures hindered the firefighters
• Many distribu=on improvements followed including another reservoir, larger pipes and more hydrants
1872: The Great Fire
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1898: The Fayville Dam And The Sudbury Reservoir Were Completed
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Sudbury Aqueduct – Building Echo Bridge Arches
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Sudbury Aqueduct
The Farm Pond Gatehouse in Framingham, the aqueduct literally crossed the pond
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• By the early 1890s, Boston’s water supply was deemed unsafe and inadequate, as were other community supplies surrounding Boston
• Aler reviewing water supply needs in all metro area communi=es, a District of 13 far-‐flung communi=es is formed
• More communi=es join in subsequent years
1895: Creation Of The Metropolitan Water District
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1898: Building The Metropolitan Pipe Network
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Crossing Rivers
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1895: Another Step West
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The Wachusett Reservoir
• Chief Engineer Frederick Stearns planned a water source that would be gravity-operated and not require filtration
• In 1897, the site was
chosen - the Nashua River was impounded by the Wachusett Dam, 38 miles from Boston
• At the time it was
constructed, the Wachusett Reservoir was the largest man-made water supply reservoir in the world
• Its 65 billion gallons supplied 118 million gallons per day
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1897: Wachusett Aqueduct
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1898: Rosemary Brook Siphon
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1899: Chestnut Hill High Service Pump Station
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1899: Sudbury Aqueduct Terminal Chamber
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1900: Chestnut Hill Low Service Pump Station
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• In 1889 the Water Board of the City of Boston established a laboratory for systema=c study of the biology of the water-‐supply sources
• The Chestnut Hill laboratory was the first in the country dedicated to biological water analysis
Chestnut Hill Also Housed The First Biological Water Laboratory
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I think we should realize the responsibility that rests on us as superintendents and engineers to do all that we can to raise the standard; to insist that a city or town should have good water and that they should judiciously spend enough to make it good.”
-‐Desmond Fitzgerald, Boston Water Works 1895 annual meeAng of the
New England Water Works AssociaAon
Words To Live By
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“…as we progress and find that we can control the quality of the water by our own acts, we realize it is a wicked thing to turn water containing a large amount of organic ma\er into a city or town for people to drink – children, invalids and people whose cons=tu=ons are too weak to overcome the effects of bad water.
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The Quabbin Reservoir
• In 1936, construc=on of the reservoir began
• The reservoir was filled with water from the Swil River and the Ware River
• Filling began in 1939 and was completed in 1946
• At the =me, the 412 billion gallon reservoir was the largest man-‐made reservoir in the world
Moving a house from Greenwich
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On the eve of moving out
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The Source Reservoirs
Quabbin Reservoir Storage: 412 billion gallons Depth: 150 feet Length: 17.9 miles Width: 3 miles
Wachusett Reservoir
Storage: 65 billion gallons
Depth: 129 feet
Length: 8.5 miles
Width: 1 mile
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MWRA Demand Management Programs
• MWRA analyzes flow data and historical trends to help communi=es iden=fy leakage
• MWRA's Opera=on WaterSense in 1990s installed 1.3 million water saving fixtures in approximately 350,000 households. Direct installa=on discon=nued but MWRA con=nues to provide low-‐flow device kits
• Public Educa=on Outreach -‐ water conserva=on materials distributed at no cost
• A dedicated informa=onal telephone line: 617-‐242-‐SAVE
• School Educa=on program promotes water conserva=on
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Boston’s Usage Is At A 110-Year Low
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60
80
100
120
140
160
1900
1910
1920
1930
1940
1950
1960
1970
1980
1990
2000
2010
MGD
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The Pressure Aqueduct System
• In 1936, the Legislature approved the construc=on of a two high-‐pressure aqueducts to deliver water to the greater Boston area
• The two aqueducts would carry water from the Wachuse\ Reservoir to the new Norumbega Reservoir in Weston
• One barrel of the aqueduct system -‐ the Hultman Aqueduct -‐ was completed
• But work on the second barrel did not resume aler World War II
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Now Highways Were King, And Water Was All But Forgotten
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The Mass Pike Interchange Took The Area For The Second Barrel
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85% Of Boston’s Water Being Was Delivered Through The Hultman Aqueduct
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• Because there was no redundant aqueduct, the Hultman could not be taken out of service for inspec=on or repair
• And we knew it was leaking
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By The 1980s, Things Were Pretty Grim
• Thousands of miles of aging pipelines were leaking millions of gallons of water
• No plans were in place for upgrades to carry the water system into the next century
• And the Northeast Drought of the late 1960s cast doubt on the adequacy of exis=ng sources
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Water System Appropriations Were Declining
• Appropria=ons by the legislature were on the decline, which in turn led to staffing reduc=ons, which in turn led to the deferral of much needed repairs
23.9 23.7
20.6
15
20
25
1982 1983 1984
Million
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Looking NW from Bell Rock Street to Medford Street
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24” Old Mystic Main, January, 2005
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Section 10 Leak, January, 2011
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Spot Pond Dam #1 armoring to protect At spillway design flood erosion
Before
After
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Tuberculated Pipe
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Leaking Valve Assembly
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Violation Of The Clean Water Act
• In 1982 and 1983, civil suits were filed against the MDC and other state agencies claiming that the Massachuse\s Clean Waters Act had been violated as a result of discharges of untreated and par=ally treated sewage from Nut and Deer Islands
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A New Agency Was Needed
• MDC determined to be unable to fulfill its mission
• Comprehensive legisla=on was ready for considera=on by the legislature in 1984
• But over the summer, progress was slowed as lawmakers, regulators, lawyers, environmentalists and ci=zens wrangled over the details
• A Federal Judge brought the process to a head by declaring a moratorium on new sewer hookups
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And The MWRA Was Created
• In 1985, MWRA assumed responsibility for the water and sewer infrastructure serving greater Boston, and to end the pollu=on of Boston Harbor from obsolete treatment plants
• MWRA was created as an independent authority charged with raising its revenue from ratepayers, bond sales and grants
• MWRA had to establish wholesale water and sewer rates to cover all costs, including a massive capital program to repair and upgrade the systems
• MWRA was also charged with promo=on and enforcement of water conserva=on and planning for the future
• In compromise with Western and Central Massachuse\s, MDC retained watershed management, but MWRA covers costs
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Great Progress In One Generation
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MWRA Is Best Known For The Boston Harbor Clean-up: A National Environmental Success Story
• The 15-‐year project cost $3.8 billion
• About 360 million gallons of wastewater is treated at every day, with a peak capacity of 1.2 billion gallons
• Treated wastewater is discharged 9.5 miles out into the deeper waters of Massachuse\s Bay
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• Five communi=es -‐ Boston, Brookline, Cambridge, Chelsea and Somerville -‐ have combined sewer systems that connect to MWRA's sewer system
• Since the CSO Control Program began in 1996, 85 miles of new storm drains and sanitary sewers have been installed
• Boston has some of the cleanest urban beaches in the country
Combined Sewer Overflow Control Program
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Annual CSO Volume Has Been Reduced Dramatically
• 32 of 35 projects have been completed to date
• Annual CSO volumes have already been reduced by 2.7 billion gallons
• By 2015, 93% of the remaining CSO flows will be treated
0
0.5
1
1.5
2
2.5
3
3.5
1988 1992 2011 2015
(Bill
ion
Gal
lons
)
Untreated Treated
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Dramatic Improvements In Water Quality – Even In Wet Weather
Average Enterococcus counts in Boston Harbor in wet weather
The lighter the blue, the better
1987-1998 (Before Secondary Treatment and South System transfer)
1999 - 2012 (After Secondary Treatment and New Outfall)
1999 - 2012 1987 - 1991
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But The Water System Also Needed A Complete Upgrade
MetroWest Water Supply Tunnel
Nash Hill
Loring Road
Fells Spot Pond
Norumbega
Carroll Blue Hills
Pipeline Rehabilitation
Watershed Protection
John J. Carroll Water Treatment Plant
Quabbin Water Treatment Plant
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400 Square Miles Of Protected Watershed Lands
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Land Ownership Over Time
Watershed! % of Watershed!
Wachuse\ Reservoir!
56%!
Ware River! 62%!
Quabbin Reservoir! 80%!
• Since 1985, $131 million has been invested in land preserva=on
• So well protected, the Safe Drinking Water Act requires only disinfec=on
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11 Water Pump Stations Have Been Rehabilitated
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• 81 miles of MWRA-‐owned pipeline
• 474 miles of community-‐owned pipeline
Water Pipeline Rehabbed Or Replaced
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John J. Carroll Water Treatment Plant
• Completed in July 2005
• Treatment Processes:
– Ozona=on for primary disinfec=on
– Corrosion control
– Chloramina=on for secondary disinfec=on
– Fluorida=on
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• Unfiltered systems must have two primary disinfectants, one of which must achieve Cryptosporidium inac=va=on
• UV facili=es at the Carroll Treatment Plant are on-‐line as of April 1, 2014
Addition Of Ultraviolet Light Disinfection
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MetroWest Water Supply Tunnel
• The MetroWest Water Supply Tunnel was brought on-‐line in November 2003
• By March 2004, the Tunnel was being fully u=lized allowing the shutdown of the Hultman Aqueduct for repair
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• Since 2013, for the first =me since originally planned in the 1930s, the Metropolitan Water System has redundancy for the Hultman Aqueduct from Marlborough to Weston
Hultman Aqueduct Rehabilitation
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New Wachusett Aqueduct Pump Station In Design
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New Wachusett Aqueduct Pump Station In Design
65
• Will provide redundancy from the Wachuse\ Reservoir to the Carroll Treatment Plant
Wachusett Aqueduct Pump Station
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Covered Storage Projects
• MWRA has built six new covered storage tanks to replace all open reservoirs
• One more is under construc=on
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Norumbega Covered Storage Facility
• The tank was completed in May 2004
• It provides 115 million gallons of storage for metropolitan Boston
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Spot Pond Covered Storage Facility
• 20-‐million-‐gallon buried water tank 75% complete
• Buried emergency pump sta=on will provide redundancy for 21 communi=es
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MWRA Metropolitan Area Storage Capacity Over Time
All open distribu=on reservoirs taken off-‐line Industry prac=ce: Most similar systems have 1 maximum day or more of storage.
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State-Of-The-Art Monitoring System
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• pH • Temperature
• Conduc=vity
• Turbidity
• Dissolved Organic Carbon
• Total Organic Carbon
• Nitrate-‐N
• UV 254
• Oxida=on-‐Reduc=on Poten=al • Monochloramine
• Free Chlorine
• Total Dissolved Solids
s::can Parameters Monitored
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But It Was Very Expensive
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MWRA Has Spent $7.6 Billion On Water And Sewer System Renewal
Boston Harbor Project MetroWest Supply Tunnel Hultman Aqueduct Rehab
Spot Pond Supply Mains
Braintree-Weymouth Relief Facilities Covered Storage
Weston Aqueduct Supply Mains Carroll Water Treatment Plant UV Treatment
Union Park East Boston Branch Sewer
South Boston CSO Community Managed CSO Projects
Deer Island Asset Protection
Projected Actual
$24 $44 $120 $149
$196 $304
$413 $504
$608 $580
$437 $377
$447 $498
$392 $327 $365
$297 $194
$168 $152 $178 $197 $182 $211 $193
$247 $237 $296
$260 $239
$161 $125
$206 $206
0 100 200 300 400 500 600 700
1986 1987 1988 1989 1990 1991 1992 1993 1994 1995 1996 1997 1998 1999 2000 2001 2002 2003 2004 2005 2006 2007 2008 2009 2010 2011 2012 2013 2014 2015 2016 2017 2018 2019 2020
$24
$44 $1
20
$149
$196
$304
$413
$504
$608
$580
$437
$377
$447
$498
$392
$333
$365
$297
$194
$168
$152
$178
$196
$182
$211
$139
$138
$162
$145
$148
$149
$142
$137
$146
$146
$146
$146
$146
$0
$100
$200
$300
$400
$500
$600
$700
$ Millions Actual Spending Projected
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Which Created A Mountain Of Debt
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Over 80% Of MWRA’s Capital Spending Has Been For Projects Mandated By Federal Or State Regulators
$0
$100
$200
$300
$400
$500
$600
$700
FY86 FY88 FY90 FY92 FY94 FY96 FY98 FY00 FY02 FY04 FY06 FY08 FY10 FY12
Millions
Mandated v. Non-‐Mandated Project Spending
Mandated(Court Orders, Consent Orders)
Non-‐Mandated(Pipeline Rehabilitation and Infrastructure Replacement)
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Debt Service Is The Largest Driver Of Rate Increases
Debt Service Direct & Indirect Expenses
36%
64%
FY1990
60%
30%
FY2014
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Our Rates Quickly Became The Highest In The Country
77
$1,296
$1,541
$1,098
$845
$865
$953
$815
$1,006
$971
$695
$698
$624
$706
$439
$570
$542
$542
$386
$536
$505
$330
$143
$307
$262
$361
$447
$384
$337
$0 $200 $400 $600 $800 $1,000 $1,200 $1,400 $1,600 $1,800
MWRA Service Area
San Fransisco
Washington DC
New Orleans
Houston
Philidelphia
Indianapolis
2011 2006 1994 1985
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The Ratepayers Have Borne The Burden
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Debt Service Assistance From The State Became A Critical Tool, But When The Economy Took A Downturn, So Did Funding
$19.0
$27.2 $31.5
$39.3 $40.6 $43.5
$46.5 $51.3 $50.2
$0.0 $4.1
$8.0 $9.6
$18.9 $17.0
$0.4 $0.8 $0.0
$10.0
$20.0
$30.0
$40.0
$50.0
$60.0
$70.0
$80.0
$90.0
(Millions)
Actual Receipt of Debt Service Assistance vs. Projected LevelsFiscal Years 1994 through 2021
Projected Debt Service Assistance Levels
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Heavy Debt Burden for the Foreseeable Future
80
$629 $652
$679
$736 $756
$775
$830 $848
$875
$500
$600
$700
$800
$900
FY14
FY15
FY16
FY17
FY18
FY19
FY20
FY21
FY22
Mill
ions
MWRA Rate Revenue Requirement 2014-2022
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• MWRA’s Proposed FY15 CEB includes a 3.6% combined water and sewer rate increase
• FY2017 and FY2020 are the most challenging years on the immediate horizon
What Does The Future Look Like?
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The Region Has Benefited From MWRA's Projects
A clean Boston Harbor has already generated nearly $4 billion in waterfront-‐related construc=on completed or underway
Save the Harbor/Save the Bay es=mated that the completed Project produces $117 million in annual income from sales, property and income taxes.
A clean, abundant water supply is key to economic growth
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Boston’s Waterfront Is The Region’s Fastest Growing Zip Code
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So What’s Next?
84 84
• Water Infrastructure Alliance estimates a water funding gap of $10.2 billion statewide
• MWRA’s own estimate is $1.5 billion
• Average age of water pipes is 70 years; some still in service date back to over 1860
• Redundancy
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So What’s Next?
85 85
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I think we should realize the responsibility that rests on us as superintendents and engineers to do all that we can to raise the standard; to insist that a city or town should have good water and that they should judiciously spend enough to make it good.”
-‐Desmond Fitzgerald, Boston Water Works 1895 annual meeAng of the
New England Water Works AssociaAon
Words To Live By
86
“…as we progress and find that we can control the quality of the water by our own acts, we realize it is a wicked thing to turn water containing a large amount of organic ma\er into a city or town for people to drink – children, invalids and people whose cons=tu=ons are too weak to overcome the effects of bad water.