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International Wastewater Treatment Plant, Tijuana, Mexico

Operator

Veolia Water North America

Owner

US Section of the International Boundary and Water Commission (USIBWC)

Plant Cost

$239m

South Bay Ocean Outfall (SBOO) Cost

$200m

Plant Capacity

95,000m3/day

SBOO Length

7.25km

SBOO Submerged Length

5.5km

SBOO Diameter

3.3m

SBOO Current Effluent Discharge

150,000m3/day

Congressional Funding Approval

1989

Formal Agreement

July 1990

Plant Construction Commenced

1994

SBOO Construction Commenced

1995

Plant Completed

Spring 1997

Ribbon-Cutting Ceremony

18 April 1997

SBOO Completed

1998

Tijuana Sewer Upgrade Completed

2000

Secondary Treatment SEIS Announced

22 October 2003

Final SEIS Draft Prepared

July 2005

SBIWTP Secondary Upgrade Contracts Awarded

November 2008

On-Site Work Began

January 2009

SBIWTP Secondary Upgrade Complete

March 2011

Sponsor

International Boundary and Water Commission

Lead Contractor

City of San Diego Metropolitan Wastewater Department / Department of Works (under US Federal Government contract)

Others Contractors

Sverdrup / ICF Kaiser Engineering Consultants

Project Funding Administration

US Environmental Protection Agency

Coordinating Agencies (Mexico)

Comisión Estatal de Servicios Públicos de Tijuana; Comisión Nacional de Agua; Comisión Internacional de Limites y Aguas

Coordinating Agencies (USA)

Environmental Protection Agency; International Boundary and Water Commission; Water Resources Control Board; Regional Water Quality Control Board; Border Environment Cooperation Commission
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