City of Memphis and Shelby County

Storm Water Management Manual Volume 1: Policies and Procedures

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

Volume 1 is policy-only. Volumes 2–3 contain methods and BMP design criteria; extract those next for fuller WQ/peak methods. Pipeline excerpt repair removed 2 unlocated citation(s).

Fields not found in document: document_metadata.adoption_or_effective_date, document_metadata.last_revised_date, design_criteria.required_hydrologic_hydraulic_software, document_metadata.state_code, document_metadata.version_or_edition

Other manuals in Tennessee: City of Chattanooga, City of Clarksville, City of Franklin, City of Knoxville, City of Murfreesboro, Metropolitan Nashville and Davidson County, Tennessee, Tennessee Department of Environment and Conservation

Document Metadata

Jurisdiction level

City

“City of Memphis and Shelby County”
Title

State

Not found in document

No evidence cited

Version / edition

Not found in document

No evidence cited

Adoption / effective date

Not found in document

No evidence cited

Last revised date

Not found in document

No evidence cited

Relationship to state manual

independent

“Storm Water Management Manual Volume 1”
Title

Design Criteria

Design storm return periods (years)

10-year, 100-year

“water with expected flows for the 10-year 24-hour storm event. The active path should be kept in pipes, ditches and streets. 2. Flood, flooded or flooding: A temporary condition of partial or complete inundation of normally dry land from the overflow of a watercourse. 3. Fl”
p. 40

Water quality volume method

Water quality BMPs are encouraged but not required under Volume 1 policy; stormwater management (detention) is mandatory. Detailed hydrologic methods and BMP design are in Volumes 2–3.

“water quality BMPs are encouraged but not required”
Policy

Peak flow calculation method(s)

Detention required for new development and significant redevelopment, 10-year storm defines active drainage path capacity context, 100-year floodplain / flood management definitions apply

“this manual. 2.4 Storm Water Quantity Detention Increased urbanization within Memphis and Shelby County has caused radical changes to the topography, ground cover, and minor storm water management systems within each drainage basin. These changes have adverse effects on the env”
p. 28

Hydrologic/hydraulic software

Not found in document

No evidence cited

Approved BMP categories

Detention, Water quality BMPs (encouraged), Erosion and sediment control measures

“detention / water quality BMPs”
Policy