City of Davenport
SUDAS Design Manual — Chapter 2 Stormwater (city uses SUDAS + ISWMM)
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Municipality coverage via SUDAS + ISWMM (Cedar Rapids pattern).
Document Metadata
Jurisdiction level
City
No evidence cited
State
Iowa
No evidence cited
Version / edition
Chapter 02 (SUDAS Design Manual)
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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
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Design Criteria
Design storm return periods (years)
2-year, 10-year, 100-year
No evidence cited
Water quality volume method
Davenport follows statewide SUDAS Design Manual Chapter 2 and Iowa Stormwater Management Manual (ISWMM) for post-construction practices. SUDAS defines Water Quality Volume (WQv) and Recharge Volume (Rev) plus conveyance/detention (2G); ISWMM guides practice sizing.
“Water Quality Volume, WQv / ISWMM Design Standards”
SUDAS Ch.2
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
No evidence cited
Hydrologic/hydraulic software
Not found in document
No evidence cited
Approved BMP categories
Detention practices, Storm sewer / intake conveyance, Water quality / recharge volume practices (ISWMM)
No evidence cited