Stormwater Atlas

City of Davenport

SUDAS Design Manual — Chapter 2 Stormwater (city uses SUDAS + ISWMM)

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

Municipality coverage via SUDAS + ISWMM (Cedar Rapids pattern).

Document Metadata

Jurisdiction level
City

No evidence cited

State
Iowa

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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