Stormwater Atlas

City of Allentown

Pennsylvania Post-Construction Stormwater Management (PCSM) Manual (city Ch.538 cites PA Stormwater BMP Manual / Act 167)

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

No standalone Allentown design-manual PDF found; municipality coverage via PA PCSM Manual referenced by city ordinance. Pipeline excerpt repair removed 1 unlocated citation(s).

Fields not found in document: document_metadata.version_or_edition, document_metadata.adoption_or_effective_date, document_metadata.last_revised_date, design_criteria.design_storm_return_periods_years, design_criteria.required_hydrologic_hydraulic_software, design_parameters.shwt_separation_inches
Other manuals in Pennsylvania: City of Erie, City of Harrisburg, 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
Not found in document

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Last revised date
Not found in document

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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. Allentown Chapter 538 Stormwater Management / Act 167 ordinance requires BMPs consistent with the Pennsylvania Stormwater BMP Manual.

“pollutant load approach, coupling volume and water quality management”

PA PCSM Manual

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