Stormwater Atlas

Washington State Department of Transportation (WSDOT)

Highway Runoff Manual M 31-16 — Chapter 3 Minimum Requirements

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Heuristic agency extract from prepared text. WSDOT Highway Runoff Manual Ch3 Minimum Requirements (2014). Full HRM PDF ~240MB deferred.

Fields not found in document: design_criteria.peak_flow_calculation_method, design_criteria.water_quality_volume_method, design_criteria.required_hydrologic_hydraulic_software, design_criteria.approved_bmp_categories
Other manuals in Washington: City of Bellevue, City of Bellingham, City of Everett, City of Kennewick, City of Lacey, City of Olympia, City of Seattle, City of Seattle, City of Tacoma, City of Vancouver, King County, Spokane County / City of Spokane / City of Spokane Valley, Washington

Document Metadata

Jurisdiction level
State

No evidence cited

State
Washington

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Version / edition
April 2014 (M 31-16.04)

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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
independent

No evidence cited

Design Criteria

Design storm return periods (years)
2-year, 25-year, 50-year, 100-year

“auses a 0.1 cfs or more increase in the 100-year recurrence interval flow? Chapter 3 Minimum Requirements WSDOT Highway Runoff M”

Water quality volume method
Not found in document

No evidence cited

Peak flow calculation method(s)
Not found in document

No evidence cited

Hydrologic/hydraulic software
Not found in document

No evidence cited

Approved BMP categories
Not found in document

No evidence cited