GREEN CITY, CLEAN WATERS

Paula Conolly, AICP

AICP Symposium October 28, 2015

Integrated and Long‐Term Planning

CSOPermit

Requirements

Stormwater ManagementMS4 Permit

Stream and Habitat

RestorationTMDLs

SourcewaterProtection

Stakeholder Goals

Future Regulatory

Requirements

Integrated Watershed Management Plan

Southeast Philadelphia (10th & Moyamensing), photo by Andrew Dobshinsky

Green City, Clean WatersCombined Sewer Overflow (CSO) Long Term Control Plan

Time 25 years

DECENTRALIZEDINCREMENTALADAPTABLEFLEXIBLE

Maximizing Benefits

$1.67 billion

$345 million

Green Stormwater Infrastructure

Adaptive Management

Wet Weather Treatment Plant Upgrades

Green City, Clean Waters

$420 million

Metric UnitsCumulative amount

as of Year 25 (2036)

Wastewater Treatment Plant Upgrades Percent complete 100%

Miles of Interceptor Lined Miles 14.5

Overflow Reduction Volume

Million Gallons per year 7,960

Equivalent Mass Capture TSS / BOD / Fecal

ColiformPercent 85%

Total Greened Acres Greened Acres 9,564

Water Quality Based Effluent Limits

8

Opportunities & Barriers

Year Greened Acres  Square Miles%  Imperviouscover removed

5 750 1 3%10 2,100 3 8%15 3,800 6 14%20 6,400 10 23%

25 9,600 15 34%

25‐Year Implementation of Green City, Clean WatersGreen Stormwater Goals

Private Regulations

Paul Rider

Parcel Based Billing for Stormwater

http://www.phila.gov/water/swmap

Grants

Streets

Parks 

Vacant Lots

Schools

Campuses 

Investments throughout the Lifecycle

Planning and Project Id

Design

Construction

Maintenance

Monitoring

Inspections & Enforcement

Green City, Clean WatersProgram Tracking System, “The Hub”

Data Tracking &Management 

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Maintenance Management System

CAPIT Replacement System

GIS Data Update – PWDAsset Tracking

Stormwater Plan Review Database(including Credits & Billing input)

System Inputs

System Connections

Tracking Hubs

Public Engagement

25

http://www.phillywatersheds.org/biggreenmap

Public Investment Progress ‐ Big Green Map

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What’s Next: Faster, Greener, Cheaper