Stormwater Atlas

City of Harrisburg

Pennsylvania Post-Construction Stormwater Management (PCSM) Manual (capital / Act 167)

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Open source PDF ↗Official agency page ↗

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Compare each cited field to the official PDF before relying on it. What this means

Municipality coverage via PA PCSM Manual (Allentown pattern). Pipeline excerpt repair removed 1 unlocated citation(s).

Fields not found in document: design_criteria.design_storm_return_periods_years, design_parameters.shwt_separation_inches
Other manuals in Pennsylvania: City of Allentown, City of Erie, City of Lancaster, City of Lancaster, City of Pittsburgh, City of Reading, City of Scranton, Pennsylvania, Pennsylvania, Pennsylvania Department of Transportation (PennDOT), Philadelphia

Document Metadata

Jurisdiction level
City

No evidence cited

State
Pennsylvania

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Version / edition
Not found in document

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Adoption / effective date
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Last revised date
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Relationship to state manual
adopts state manual directly

“DRAFT / Page 1-3 1.1 OVERVIEW OF PCSM MANUAL This PCSM Manual establishes DEP-approved procedures for conducting PCSM stormwater analyses and provides SCM standards that can be used for regulatory compliance under Chapter 102. These procedures and standards may be applied to he”

p. 12

Design Criteria

Design storm return periods (years)
Not found in document

No evidence cited

Water quality volume method
PA PCSM Manual pollutant-load approach coupling volume and water quality management: land-cover pollutant concentrations applied to runoff, volume reductions through SCMs credited, and post-construction loads compared to pre-construction. Capital-city Act 167 / MS4 programs require BMPs consistent with the Pennsylvania Stormwater BMP / PCSM Manual.

No evidence cited

Peak flow calculation method(s)
PA PCSM / Stormwater BMP Manual methods, Act 167 stormwater management ordinance criteria

No evidence cited

Hydrologic/hydraulic software
Not found in document

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Approved BMP categories
Volume-reducing SCMs, Water quality SCMs, Post-construction BMPs per PA Manual

No evidence cited