Meeting the Challenges of the Trash TMDL
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Meeting the Challenges of the Trash TMDL. Shahram Kharaghani, PhD, PE Stormwater Program Manager. Meeting the Challenges of the Trash TMDL. Trash TMDL Overview. Background What is the City doing?. Trash TMDL. Where does the trash go when you litter?. Trash TMDL.

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Meeting the Challenges of the Trash TMDL

Shahram Kharaghani, PhD, PE

Stormwater Program Manager


Meeting the Challenges of the Trash TMDL

Trash TMDL Overview

Background

What is the City doing?


Trash TMDL

Where does the trash go when you litter?


Trash TMDL

Total Maximum Daily Loads (TMDLs)

Definition:

Total Maximum Daily Load – Maximum amount of a pollutant that a water body can absorb without impairing designated beneficial uses such as drinking, swimming, fishing, etc.


Trash TMDL

TMDLs are issued on a watershed-basis:

  • TMDLs regulations impact all municipalities

  • Watershed does not recognize political boundaries

  • Watershed involves multiple agencies


Trash TMDL

Watersheds in the City of Los Angeles


1/2

1/2

1/2

1/2

F

E

F

E

F

F

E

E

Trash TMDL

Los Angeles River and Ballona Creek Trash TMDL

Compliance Requirements

50%

reduction

Adopted

Sept. 19 RWQCB

20%

reduction

0%

trash?

Sept.

2002

2001

2014

2009

2006

Adopted

Feb. 19 SWRCB

Jul. 16 State OAL

Aug. 1 USEPA

10%

thereafter

Reopener &

Reassessment

of final target


Trash TMDL

Los Angeles River and Ballona Creek Trash TMDL

Implementation Strategies

  • Structural BMPs

  • Public Outreach

  • Institutional Controls


Trash TMDL

City of Los Angeles

Trash Generation Hot Spots

High > 14 cf / ac

Med 6 - 14 cf / ac

Low < 5 cf / ac


Trash TMDL

City of Los Angeles

Trash Generation Hot Spots

How is the City addressing

these spots?

  • 10,000 CB inserts

  • 6,000 CB covers

  • Netting systems

  • Hydrodynamic devices


Trash TMDL

Implementation Measures – Structural

Hydrodynamic device – CDS


Trash TMDL

Implementation Measures – Structural

Catch basin inserts


Trash TMDL

Implementation Measures – Structural

Catch basin screen covers


Trash TMDL

Implementation Measures – Structural

Netting systems


Trash TMDL

Implementation Measures – Structural

Trash Capture Baskets


Trash TMDL

Implementation Measures – Outreach

Public and Business

Call (800) 974-9794 for available materials


Trash TMDL

Implementation Measures – Outreach

Partnerships

  • Outreach for business and merchant associations

  • Outreach for interdepartmental departments


Trash TMDL

Implementation Measures – Institutional

Enforcement

  • Inspect priority industrial/commercial sites

  • Investigate complaints from the Public

  • Follow up inspection of construction sites

  • Progressive Enforcement


Trash TMDL

Implementation Measures – Institutional

Catch Basin Cleaning


Trash TMDL

Implementation Measures – Institutional

Street Sweeping


Future TMDLs

bacteria

nutrients

toxic metals & chemicals

oil and grease

pesticides & herbicides


Trash TMDL

Funding

  • Stormwater Pollution Abatement Fund (SPA)

  • Proposition O

  • Grants


Mission Statement

To protect the beneficial uses of receiving waters, while complying with all pollution abatement regulations.


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