City of Rochester

Storm Water Management Plan

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Open source PDF ↗Official agency page ↗

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

1999 plan still referenced historically; confirm whether newer design standards superseded sections.

Fields not found in document: design_criteria.required_hydrologic_hydraulic_software

Other manuals in Minnesota: City of Duluth, City of Minneapolis, City of Saint Paul, Minnesota, Minnesota

Document Metadata

Jurisdiction level

City

No evidence cited

State

Minnesota

No evidence cited

Version / edition

October 1997; Revised December 1999

“been combined into one section and revised based on the new Phase II rules. 4. Public Education and Involvement Public education information has been incorporated into the report as part of item 3 above. Educational materials have been submitted to City Staff for review. Sin”
p. 5

Adoption / effective date

1999-12-01

No evidence cited

Last revised date

1999-12-01

No evidence cited

Relationship to state manual

independent

“independent city storm water management plan”
Preface

Design Criteria

Design storm return periods (years)

10-year, 100-year

“City of Rochester uses a 10-year frequency storm event for storm sewer design, while the greater of the 100-year, 24-hour frequency rainfall event ... (6.2 inches in 24 hours)”
§5.2 Design Criteria

Water quality volume method

Storm sewers: 10-year. Major drainage / ponds: greater of 100-year 24-hour (6.2 in) or 10-day snowmelt; SCS Type II distribution. Subdivision ordinance references this plan. Regional rate-control and water-quality basins recommended; wet detention highlighted for sediment/pollutant removal (Ch.6).

No evidence cited

Peak flow calculation method(s)

SCS 24-hour Type II (100-year intensity), 10-year storm sewer design, Regional detention / rate-control basin modeling

No evidence cited

Hydrologic/hydraulic software

Not found in document

No evidence cited

Approved BMP categories

Storm sewers / trunk drainage, Regional detention / rate-control basins, Water quality / wet detention basins, Sedimentation basins, Created or restored wetlands

No evidence cited