Stormwater Tools | Horno Basin Low Flow Barrier

Treatment BMPs

Horno Basin Low Flow Barrier

Basics

Name

Horno Basin Low Flow Barrier

Type

Low Flow Diversion

Jurisdiction

County of Orange

Owner

Santa Margarita Water District

Year Built

2015

ID in System of Record

Water Quality
Management Plan

Has not been linked to a WQMP

Sizing Basis

Other (less than Water Quality)

Trash Capture Status

No Trash Capture

Required Lifespan of Installation

Unknown

Required Field Visits Per Year

Required Post-Storm Field Visits Per Year

Notes

This intended to describe the low flow diversion process only.

Performance / Modeling Attributes

Attribute	Value
Watershed
Design Low Flow Diversion Capacity	180,000 gpd
Average Diverted Flowrate	180,000 gpd
Months Operational	Both
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

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Location

No delineation may be added or edited because this BMP is associated with an Upstream BMP in the network. If you would like to add a delineation, please remove the connection to the Upstream BMP.

The Delineation displayed above is associated with Upstream BMP:
OC-WB-HB-1

Delineation Type

Centralized

Delineation Area

1984.55 ac

Delineation Status

Verified

Upstream BMP

OC-WB-HB-1

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

This type of treatment BMP does not have settable benchmark and threshold values