The Future of

Infrastructure Investments

Carter Strickland

Commissioner, NYC Department of Environmental Protection

March 1, 2013

2

Climate Change

Rockaway Beach

3

Major Citywide Impacts

4

Historic Wetlands

5

Hurricane Sandy Flooding Area

6

• $15.3B (66%) of capital commitments for 2002-2012 were driven by mandates

• Mandates account for only 21% of the $6.6B 2013-2016 Capital Plan

2002-2016 Capital Expenditures and Debt Service Impact

Costs

$0

$1,000

$2,000

$3,000

$4,000

2002 2003 2004 2005 2006 2007 2008 2009 2010 2011 2012 2013 2014 2015 2016

$ i

n M

illi

on

s

Fiscal Year

Commitments Expenditures Net Debt Service

7

North River

Jamaica

Newtown Creek

Wards Island

Bowery Bay

26th Ward

Coney Island

Hunts Point

Oakwood BeachOwls Head

Tallman IslandManhattan PS

Croton Filtration Plant

U/V Facility

0

100

200

300

400

500

600

700

800

900

1000

2006 2007 2008 2009 2010 2011 2012 2013 2014 2015 2016 2017

kW

h (

in m

illio

ns)

Fiscal Year

DEP Electricity Consumption

• Between 2012-2017, electricity use is expected to increase by 289 million kWh (44%)

• Most of the increase will come from the new Croton Filtration Plant and U/V Disinfection

Facility

289 million

kWh

Revised: 1/31/13

8

Sustainable Infrastructure Version 1.0

9

Utility of the Future

10

Grey Investments

Newtown Creek WWTP Paerdegat Basin CSO Facility

More than $10 billion in wastewater investments since 2002

• $5 billion – Newtown Creek Wastewater Treatment Plant upgrade

• $437 million – Paerdegat Basin CSO Facility

• $500 million – Hunts Point Wastewater Treatment Plant upgrade and

nutrient removal

• $100 million – Nitrogen control upgrades at 26th Ward, Coney

Island, and Rockaway wastewater treatment plants

11

Green Infrastructure

11

Blue RoofGreen Roof

Bioswale Porous Pavement

12

Annual C

SO

Volu

me (

mill

ions o

f gallo

ns)

21,698

17,896

21,753 19,808 -1,701

-1,514

-586

-1,945

-

5,000

10,000

15,000

20,000

25,000

30,000

Cost-EffectiveGrey

Investments(Built &

Planned)

Reduced Flow GreenInfrastructure

(10% Capture)

OptimizeExisting System

Green Strategy Cost-EffectiveGrey

Investments(Built &

Planned)

Potential Tanks,Tunnels, &Expansions

Grey Strategy

-5,666 built/under construction

-2,602 planned -2,547 planned

-5,666 built/under construction

GREEN STRATEGY GREY STRATEGY

2045 BASELINE - PROJECTIONFROM 2007 FACILITY PLANS

The Green Strategy Approach Performs Better

13

$2.9 $2.9

$1.5

$0.9

$0.03

$3.9

$-

$1.0

$2.0

$3.0

$4.0

$5.0

$6.0

$7.0

$8.0

Green Strategy Grey Strategy

Potential Tanks, Tunnels, & Expansions Optimize Existing System

Green Infrastructure - Private Investment Green Infrastructure - Public Investment

Reduced Flow Cost-Effective Grey Investments

$6.8

$5.3

$2.4

The Green Strategy Costs Less

14

Long Term Control Plans

Public Schools

(DOE)

Parks & Playgrounds

(DPR)

Planned Right-of-Way

Projects (DOT)

Community Gardens

(DPR)

Multi-Family Residential

Housing (NYCHA)

14

15

Right of Way Bioswale

16

Performance of Bioswale System

Rainfall (in.) Mean Median

Below 1” 73% 85%

1”-2” 25% 21%

Above 2” 14% 12%

Total 59% 60%

Percent Capture of 10 Bioswales

• Percent of rainfall captured by 10 bioswales over 185 rain events.

• Bioswales performed best during storms with less than one inch of rain.

17

Area-Wide Approach

18

Green Infrastructure Grant Program

19

Schoolyards to Playgrounds

Before After

20

For more information visit www.nyc.gov/dep

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