The Water Infrastructure Finance and Innovation Act (WIFIA)
program accelerates investment in our nation's water
infrastructure by providing long-term, low-cost supplemental
loans for regionally and nationally significant projects.

REGIONAL WASTEWATER CO

BORROWER: City of Stockton Public Finance
Authority

LOCATION: Stockton, CA

WIFIA LOAN AMOUNT: $108 million
TOTAL WIFIA PROJECT COSTS: $219 million
POPULATION SERVED BY SYSTEM: 314,000
people

NUMBER OF JOBS CREATED: 701 jobs

PROJECT DESCRIPTION

The Regional Wastewater Control Facility Project will rehabilitate the existing system to update
outdated infrastructure and comply with effluent limits for nitrogen, This will include
construction of new aeration basins and associated secondary clarifiers, consolidation of
control room operations, and rehabilitation other components of the system. By rehabilitating
its aging infrastructure and technology, the City of Stockton will reduce the amount of nitrogen
discharged to surface water and improve the water quality in the California Delta.

PROJECT BENEFITS

•	Rehabilitates and replaces aging technology, equipment, and infrastructure.

•	Helps the City of Stockton meet new National Permit Discharge Elimination System
permit requirements, particularly lower effluent limits for nitrogen.

•	Improves water quality in the California Delta.

•	Saves the City of Stockton an estimated $40.7 million from financing with a WIFIA loan
compared to typical market financing.

WIFIA

PROGRAM

FACILITY PROJECT

Aeration Basin Construction

£%	United States

Environmental Protection
kl m % Agency

WEBSITE: www.epa.gov/wifia
EMAIL: wifia@EPA.gov


-------