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Public Notice

12 07 17 Notice of Public Hearing - NPDES

Posted: Sep 28, 2017

NOTICE OF PUBLIC HEARING

RENEWAL OF WASTE DISCHARGE REQUIREMENTS NPDES PERMIT NO. CA0079154

FOR CITY OF TRACY WASTEWATER TREATMENT PLANT SAN JOAQUIN COUNTY

The City of Tracy is the owner and operator of the City of Tracy, Wastewater Treatment Plant (hereinafter Facility), a publicly owned treatment works, located at 3900 Holly Drive, Tracy, California. The Facility provides sewerage services for the City of Tracy, serving a population of approximately 85,000. The Facility provides tertiary treatment with chlorine disinfection for up to

10.8 million gallons per day (MGD), with plans to expand the capacity to 16 MGD. Disinfected tertiary treated wastewater from the Facility is discharged to Old River, a water of the United States, within the legal boundary of the Sacramento-San Joaquin Delta.

 

Discharges from the Facility are currently regulated by Waste Discharge Requirements Order R5-2012-0115-02, issued by the Central Valley Regional Water Quality Control Board (Central Valley Water Board) on 7 December 2012, and amended on 9 October 2014 and 11 December 2015. An Order is proposed to renew the NPDES permit. The proposed permit includes new or updated effluent limitations for ammonia, chlorodibromomethane, diazinon and chlorpyrifos, dichlorobromomethane, and nitrate plus nitrite. The permit removes effluent limitations for bis (2-ethylhexyl) phthalate and copper because the discharge does not demonstrate reasonable potential to cause or contribute to instream exceedances of the applicable water quality objectives for these constituents.

 

A public hearing concerning this matter will be held during the Central Valley Water Board meeting scheduled for:

 

DATE:             7/8 December 2017

TIME:              8:30 a.m.

PLACE:           Central Valley Regional Water Quality Control Board Room

                         11020 Sun Center Drive, #200

                         Rancho Cordova, CA 95670-6114

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