Alameda Countywide Clean Water Program (ACCWP) / City of Fremont

C.3 Stormwater Technical Guidance

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ACCWP C.3 TG v8.2; covers Fremont and other Alameda County MRP cities (aliases). Pipeline excerpt repair removed 1 unlocated citation(s).

Fields not found in document: design_criteria.design_storm_return_periods_years, design_criteria.required_hydrologic_hydraulic_software

Other manuals in California: California, California Department of Transportation (Caltrans), 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

Special District

“Clean Water Program / MRP municipalities”
Introduction

State

California

“California / Municipal Regional Permit”
Introduction

Version / edition

Version 8.2 (May 19, 2024)

“builders, and project applicants Version 8.2 MEMBER AGENCIES: Alameda Albany Berkeley Dublin Emeryville Fremont Hayward Livermore Newark Oakland Piedmont Pleasanton San Leandro Union City County of Alameda Alameda County Flood Control and Water Conservation District Zone 7”
p. 1

Adoption / effective date

2024-05-19

“May 19, 2024”
Cover

Last revised date

2024-05-19

“May 19, 2024”
Cover

Relationship to state manual

independent

“MRP Provision C.3”
Introduction

Design Criteria

Design storm return periods (years)

Not found in document

No evidence cited

Water quality volume method

MRP Provision C.3 LID treatment: volume-based sizing (WEF/ASCE 80% capture / related methods) or flow-based sizing using 85th percentile rainfall intensity; biotreatment/bioretention preferred. Hydromodification management (Provision C.3.g) via flow duration control / BAHM where applicable.

“85th percentile value / Volume-based BMP sizing criteria and 80 percent capture”
Section 7.1 / glossary

Peak flow calculation method(s)

Volume-based BMP sizing (Section 7.1.1 / Appendix C worksheet), Flow-based treatment sizing (85th percentile intensity), Hydromodification management / BAHM flow duration control (Chapter 9)

“Hydromodification Management / Flow Duration Control / BAHM”
Chapter 9

Hydrologic/hydraulic software

Not found in document

No evidence cited

Approved BMP categories

Bioretention / bioinfiltration, Biotreatment measures, Treatment trains, Hydromodification management measures, LID site design / source controls

“Bioretention/BioInfiltration Area”
Section 8.1