Effective September 1, 2021: New Rates for Stormwater Plan Review Fees. See https://water.phila.gov/rates/ **** L+I Permits require PWD pre-requisite approval. Don't wait! Updates to the real estate tax abatement will take effect January 1, 2022. Refer to this Review Timeline: Tax Abatement Factsheet. **** Services are still modified as a result of the ongoing pandemic. Refer to Covid-19 Service Updates (version 6) and the newsfeed for the latest information.****

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Chapter 6 - Post-Construction and Operations and Maintenance Guidance

6.0 Introduction

Full Manual Introduction Chapter 1 Chapter 2 Chapter 3 Chapter 4 Chapter 5 Chapter 6

6.0 Introduction

As with any building system, stormwater management practices (SMPs) require maintenance to ensure long-term function. Post-construction, it is the responsibility of the property owner to maintain all SMPs in perpetuity. This includes notifying PWD if any further site improvements are planned to the property that could affect SMP functionality or regulatory compliance, such as changes in site grading or stormwater drain location/configuration, as well as addition of new impervious areas, such as walkways, patios, decks, driveways, parking lots, sheds, or buildings. As described in Chapter 4, SMPs consist of multiple components (e.g., inflow, conveyance, storage, outflow, and vegetation, etc.). Each of these components must be inspected and maintained regularly to properly function. By conducting routine maintenance, property owners identify and address minor maintenance tasks that ensure the proper functioning of an SMP and reduce the need for larger, more expensive repairs over time. If SMPs begin to fail, the subsequent increase in stormwater loading on the sewer systems may contribute to backups and combined sewer overflows into nearby rivers. This can cause damage to aquatic life, endanger public health and safety, and violate State and Federal water quality laws.

Chapter 6, Post-Construction and Operations and Maintenance Guidance, provides guidance for the property owner on Operations and Maintenance (O&M) requirements in Section 6.1, and on post-construction SMP inspection in Section 6.2. Chapter 6 also provides information on stormwater credits, for which property owners may be eligible following SMP construction. Further information on the Stormwater Credits Program can be found in Section 6.3.