City of Long Beach

Low Impact Development (LID) Best Management Practices (BMP) Design Manual

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Long Beach LID BMP Design Manual 2nd ed.; primary post-construction WQ/LID criteria. 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, document_metadata.version_or_edition

Other manuals in California: Alameda Countywide Clean Water Program (ACCWP) / City of Fremont, California, California Department of Transportation (Caltrans), California Department of Transportation (Caltrans), City of Anaheim, City of Bakersfield, City of Chula Vista, 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

City

“City of Long Beach”
Preface

State

California

“Long Beach Municipal Code”
Preface

Version / edition

Not found in document

No evidence cited

Adoption / effective date

2013-02-19

“LID requirements that went into effect on February 19, 2013”
Preface

Last revised date

2013-12

“revisions that take effect in December 2013”
Preface

Relationship to state manual

independent

“Chapter 18.74 of the Long Beach Municipal Code”
Preface

Design Criteria

Design storm return periods (years)

Not found in document

No evidence cited

Water quality volume method

LID BMPs must infiltrate, evapotranspire, and/or capture and use stormwater. Priority for infiltration BMPs. Design to manage the 85th percentile 24-hour runoff event (maximized capture). Implements Long Beach Municipal Code Ch. 18.74 LID ordinance.

“The 85th percentile 24-hour runoff event determined as the maximized capture”
Performance criteria

Peak flow calculation method(s)

LID volume/flow management via infiltration, ET, capture/use, and flow-rate adjustments, Treatment control BMPs when on-site retention infeasible

“storage and retention, infiltration, filtering, and flowrate adjustments”
LID principles

Hydrologic/hydraulic software

Not found in document

No evidence cited

Approved BMP categories

Infiltration BMPs, Bioretention / biofiltration, Capture and use, Evapotranspiration features, Treatment control BMPs, Source control BMPs

“INFILTRATION BMPS”
Section 4.4