City of Cedar Rapids
SUDAS Design Manual — Chapter 2 Stormwater (city adopts SUDAS + ISWMM)
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Compare each cited field to the official PDF before relying on it. What this means
Same SUDAS Ch.2 PDF as Des Moines coverage pattern; city supplements and ISWMM also apply. Pipeline excerpt repair removed 1 unlocated citation(s).
Fields not found in document: document_metadata.last_revised_date, design_criteria.required_hydrologic_hydraulic_software, document_metadata.relationship_to_state_manual
Document Metadata
Jurisdiction level
City
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State
Iowa
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Version / edition
Chapter 02 (SUDAS Design Manual)
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Adoption / effective date
2019-01-01
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Last revised date
Not found in document
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Relationship to state manual
Not found in document
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Design Criteria
Design storm return periods (years)
2-year, 10-year, 100-year
No evidence cited
Water quality volume method
Cedar Rapids adopted SUDAS effective Jan 1, 2019 (with city General Supplements). Ordinance Ch. 72 references Iowa Stormwater Management Manual (ISWMM) Design Standards for Stormwater Management Plans. SUDAS Ch. 2 defines Water Quality Volume (WQv) and Recharge Volume (Rev) and covers conveyance/detention (2G); ISWMM guides post-construction practice sizing.
“Water Quality Volume, WQv / Design Standards include ISWMM”
SUDAS Ch.2 / Municode Ch.72
Peak flow calculation method(s)
Minor design storm (generally 2- to 10-year) for conveyance, Major design storm (typically 100-year) for flood routing, Detention basin design methods (Section 2G), ISWMM criteria for post-construction practices
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Hydrologic/hydraulic software
Not found in document
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Approved BMP categories
Detention practices, Storm sewer / intake conveyance, Water quality / recharge volume practices (ISWMM)
No evidence cited