International Wastewater Treatment Plant, Tijuana River Valley, Mexico/USA
Key Data:
Plant cost
$239 million
South Bay Ocean Outfall (SBOO) cost
$200 million
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
Project Timeline:
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
Key Players:
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
Co-ordinating agencies (Mexico)
Comisión Estatal de Servicios Públicos de Tijuana; Comisión Nacional de Agua; Comisión Internacional de Limites y Aguas
Co-ordinating agencies (USA)
Environmental Protection Agency; International Boundary and Water Commission; Water Resources Control Board; Regional Water Quality Control Board; Border Environment Cooperation Commission
