Stormwater Tools | OC-WB-HB-1

Treatment BMPs

OC-WB-HB-1

Basics

Name

OC-WB-HB-1

Type

Wet Detention Basin

Jurisdiction

County of Orange

Owner

County of Orange

Year Built

ID in System of Record

Water Quality
Management Plan

Has not been linked to a WQMP

Sizing Basis

Water Quality

Trash Capture Status

Partial (>5mm but less than full sizing)

Trash Capture Effectiveness

Not Provided

Required Lifespan of Installation

Unknown

Required Field Visits Per Year

Required Post-Storm Field Visits Per Year

Notes

45 ac-ft of permanent pool storage, obtained from the Horno Basin O&M Manual (December 2008).

Performance / Modeling Attributes

Attribute	Value
Watershed
Permanent Pool or Wetland Volume	1,900,000 cu ft
Extended Detention Surcharge Volume	0 cu ft
Dry Weather Flow Override?	No - As Modeled

Modeled BMP Performance

Water Balance Components	Volume (cu-ft/yr)	Percent of Inflow
To BMP		--
Treated and Discharged		%
Retained or Recycled		%
Untreated (Bypass or Overflow)		%
Pollutant	Load Reduced	Percent Reduced
Total Suspended Solids	kg	%
Total Nitrogen	kg	%
Total Phosphorous	kg	%
Fecal Coliform	billion CFUs	%
Total Copper	g	%
Total Lead	g	%
Total Zinc	g	%

Water Balance Components	Volume (cu-ft/yr)	Percent of Inflow
To BMP		--
Treated and Discharged		%
Retained or Recycled		%
Untreated (Bypass or Overflow)		%
Pollutant	Load Reduced	Percent Reduced
Total Suspended Solids	kg	%
Total Nitrogen	kg	%
Total Phosphorous	kg	%
Fecal Coliform	billion CFUs	%
Total Copper	g	%
Total Lead	g	%
Total Zinc	g	%

Water Balance Components	Volume (cu-ft/yr)	Percent of Inflow
To BMP		--
Treated and Discharged		%
Retained or Recycled		%
Untreated (Bypass or Overflow)		%
Pollutant	Load Reduced	Percent Reduced
Total Suspended Solids	kg	%
Total Nitrogen	kg	%
Total Phosphorous	kg	%
Fecal Coliform	billion CFUs	%
Total Copper	g	%
Total Lead	g	%
Total Zinc	g	%

This WQMP’s parameters have changed since the last model run; a new model run is pending to re-calculate results. Parameters for related detailed BMPs have changed since the last model run; a new model run is pending to re-calculate results. This BMP's parameters have changed since the last model run; a new model run is pending to re-calculate results.

Results last calculated at

Model results for this WQMP are awaiting calculation.

Model results for this BMP are awaiting calculation.

About Modeling BMP Performance

Images

Location

Delineation Type

Centralized

Delineation Area

1984.55 ac

Delineation Status

Verified

Upstream BMP

Not Provided

Drainage Area Land Uses

Land Use	Area (ac)	Impervious Area (ac)
Commercial	42.10	28.89
Education	34.71	21.91
Industrial	14.72	4.89
Open Space - Irrigated Agriculture	0.92	0.00
Open Space - Irrigated Recreation	180.70	47.59
Open Space - Low Canopy Vegetation	342.12	0.01
Open Space - Low Density Development	334.59	79.21
Open Space - Non-Irrigated Agriculture	0.83	0.11
Open Space - Vacant Land	8.14	2.82
Residential - MultiFamily	184.32	122.50
Residential - Single Family High Density	472.98	244.37
Residential - Single Family Low Density	18.34	1.87
Transportation - Local Road	281.66	136.64
Transportation - Other	68.42	30.92
Total	1,984.54	721.72

Field Visits

Currently viewing of Field Visits Reset Download Table

Funding Events

No Funding Events identified for this Treatment BMP

Benchmark & Threshold Values

Observation Type	Benchmark	Threshold
Material Accumulation in Forebay/ Pretreatment	-	-
Material Accumulation as Percent of Total System Volume	-	-
Undesirable Vegetation Cover	-	-
Wetland Vegetative Cover	-	-
Inlet Scour/Erosion	-	-