City of Charleston
Stormwater Management Guidance Manual
CityWest VirginiahighNoCitations verified
Fields not found in document: design_criteria.design_storm_return_periods_years
Document Metadata
Jurisdiction level
City
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State
West Virginia
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Version / edition
Version 1.0
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Adoption / effective date
Not found in document
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Last revised date
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Relationship to state manual
independent
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Design Criteria
Design storm return periods (years)
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Water quality volume method
Capture and infiltrate the first one (1) inch of rainfall on site (average 24-hour storm preceded by 48 hours of no measurable precipitation). Extended filtration practices designed to manage one inch of rainfall may discharge through an underdrain. Used as the City standard for water quality / post-construction runoff control (Ch.6).
“infiltrating the first one (1) inch of rainfall on the site”
Post-construction / permitting
Peak flow calculation method(s)
Engineering calculations (Ch.4), Detention basins (Ch.6.13), LID / runoff reduction practices
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Hydrologic/hydraulic software
Not found in document
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Approved BMP categories
Infiltration practices, Bioretention / planters, Permeable pavement, Impervious surface disconnection, Detention basins, Other Ch.6 post-construction measures
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