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STORM DRAINS ARE NOT CONNECTED TO THE SEWER SYSTEM.
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Chollas Creek Dissolved Metals TMDL Implementation Plan

The Chollas Creek Dissolved Metals Total Maximum Daily Load (TMDL) Implementation Plan Stakeholders page serves as a resource for interested community members, agencies and other stakeholders. This site provides an opportunity to learn about the TMDL process, review draft documents and check project status. (Note: for information that describes the TMDL, please see "TMDLs" section below.)

The Chollas Creek Dissolved Metals TMDL Implementation Plan (hereafter referred to as "Implementation Plan") was developed by the jurisdictions and agencies named in the TMDLs including the City of the San Diego, the City of La Mesa, the City of Lemon Grove, the County of San Diego, U.S. Navy, the Port of San Diego, and Caltrans.

The purpose of the Implementation Plan is to provide the basis and strategy to reduce dissolved metals loading and other constituents of concern in storm water and urban runoff that may be impacting the beneficial uses of Chollas Creek. The Implementation Plan identifies projects to be implemented in the first 5-year phase of the program to meet these goals. The Implementation Plan is tentatively scheduled to be submitted to the San Diego Regional Water Quality Control Board in early October 2009.

Stakeholder Involvement

The public was invited to participate in the planning and implementation process through attendance at stakeholder meetings, as well as providing comments at each iteration of the draft plan. While comments are no longer being formally accepted regarding the Implementation Plan, the public is invited to contact the representatives listed below with specific questions.

Caltrans
Constantine Kontaxis
NPDES Branch Chief
(619) 688-3626
constantine_kontaxis@dot.ca.gov

City of La Mesa
Joe Kuhn
Storm Water Program Manager
(619) 667-1340
jkuhn@ci.la-mesa.ca.us

City of Lemon Grove
Cora Long
Management Analyst
(619) 825-3827
clong@ci.lemon-grove.ca.us

City of San Diego
Stephanie Bracci
Associate Planner
(858) 541-4314
sbracci@sandiego.gov

County of San Diego
Tracy Cline
Planner III
(858) 495-5513
tracy.cline@sdcounty.ca.gov

Port of San Diego
Stephanie Bauer
Associate Environmental Specialist
(619) 400-4719
sbauer@portofsandiego.org

United States Navy
Len Sinfield
CWA Compliance Manager
(619) 532-2280
len.sinfield@navy.mil

Final Draft Chollas Creek Dissolved Metals TMDL Implementation Plan

Previous Stakeholder Meeting Summaries and Information

Additional Information

Chollas Creek Watershed

The Chollas Creek Watershed is located south and east of downtown San Diego in a highly urbanized portion of San Diego County. The watershed drains approximately 30 square miles via two main tributaries, the North Fork and the South Fork, and discharges into San Diego Bay. Except for the downstream 1.2 mile tidal prism area, Chollas Creek is an ephemeral stream which usually only flows during rainy conditions. The map below highlights the Chollas Creek Watershed boundaries, jurisdictional boundaries of the responsible agencies, and the City of San Diego's community plan areas.

TMDL

A TMDL is a "pollution budget" for an impaired waterbody, such as Chollas Creek. A TMDL defines the maximum amount of a pollutant the waterbody can safely receive while meeting the water quality objectives identified in the San Diego Basin Plan. There are four adopted TMDLs for Chollas Creek: the pesticide (diazinon) TMDL, the dissolved metals TMDL (for copper, lead and zinc). In addition, a draft TMDL for indicator bacteria is currently being revised. This Implementation Plan is designed to meet the requirements of the metals and bacteria TMDLs over the 20 year allowed implementation period. The Implementation Plan uses an integrated approach to achieve this goal.

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