Stormwater Atlas

California Department of Transportation (Caltrans)

Stormwater Quality Handbooks — Project Planning and Design Guide

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Heuristic agency extract from prepared text. Caltrans Stormwater Quality Handbooks — Project Planning and Design Guide (June 2023)

Fields not found in document: design_criteria.required_hydrologic_hydraulic_software
Other manuals in California: Alameda Countywide Clean Water Program (ACCWP) / City of Fremont, California, California Department of Transportation (Caltrans), City of Anaheim, City of Bakersfield, City of Chula Vista, City of Long Beach, City of Oakland, City of Sacramento, City of San Diego, City of San Francisco, City of San Jose / Santa Clara Valley (SCVURPPP), City of Santa Barbara, City of Santa Rosa, City of Stockton / San Joaquin County, County of Los Angeles, County of Orange, Fresno Metropolitan Flood Control District, Riverside County, San Bernardino County, Tahoe Regional Planning Agency (Lake Tahoe Region)

Document Metadata

Jurisdiction level
State

No evidence cited

State
California

No evidence cited

Version / edition
June 2023

No evidence cited

Adoption / effective date
Not found in document

No evidence cited

Last revised date
Not found in document

No evidence cited

Relationship to state manual
independent

No evidence cited

Design Criteria

Design storm return periods (years)
2-year, 5-year

“2, 5-year design storms referenced”

Water quality volume method
Water Quality Volume (WQV) and Water Quality Flows (WQF)

“Water Quality Volume (WQV) and Water Quality Flows (WQF)”

Peak flow calculation method(s)
Rational Method

“depending on the site conditions. F.4.2 Operational Costs Operational costs will be a function of the number of rain events in the specific location. The rainfall frequency can be determined by the report, “Monthly Station Climate Summaries, 1971-2000” provided by the Depar”

p. 273

Hydrologic/hydraulic software
Not found in document

No evidence cited

Approved BMP categories
Bioretention, Infiltration Basin, Infiltration Trench, Sand Filter, Detention Basin

“Bioretention, Infiltration Basin, Infiltration Trench, Sand Filter”