Operation of City of San Diego - Chlorine Contact Chamber addition to Miramar Water Treatment Plant Project (Project)
9 Documents in Project
Summary
SCH Number
1999091067
Lead Agency
City of San Diego
Document Title
Operation of City of San Diego - Chlorine Contact Chamber addition to Miramar Water Treatment Plant Project (Project)
Document Type
NOD - Notice of Determination
Received
Posted
6/16/2020
Document Description
The City proposed Project will construct a new chlorine contact chamber (CCC) with a capacity up to 215 million-gallons per day (MGD) to be located just east of the new clearwells and within the existing Miramar Water Treatment Plant. The CCC will serve as a backup disinfection system to the existing ozone disinfection system currently in use. This CCC is designed with an adjacent lift station to allow continued operation and minimal process interruption when an ozone outage occurs. The current point of sodium hydroxide addition will be moved downstream of the CCC for improved disinfection efficiency when the ozone treatment is out of service. The CCC will be approximately 245 feet long x 170 feet wide x 15 feet deep. The Project will increase the capacity of the facilities from 144 MGD to 215 MGD to serve the current and projected population.
Contact Information
Name
Sean Sterchi
Agency Name
State Water Resources Control Board San Diego District
Contact Types
Lead/Public Agency
Phone
Location
Cities
San Diego
Counties
San Diego
Other Location Info
10710 Scripps Lake Drive, San Diego, San Diego County; on the north side of Scripps Lake Drive, north of the intersection with Red Cedar Drive.
Notice of Determination
Approving Agency
State Water Board
Approving Agency Role
Responsible Agency
Approved On
Determinations
(1) The project will have a significant impact on the environment
No
(2a) An Environmental Impact Report was prepared for this project pursuant to the provisions of CEQA
Yes
(2b) A Mitigated or a Negative Declaration was prepared for this project pursuant to the provisions of CEQA
No
(2c) An other document type was prepared for this project pursuant to the provisions of CEQA
No
(3) Mitigated measures were made a condition of the approval of the project
No
(4) A mitigation reporting or monitoring plan was adopted for this project
Yes
(5) A Statement of Overriding Considerations was adopted for this project
No
(6) Findings were made pursuant to the provisions of CEQA
Yes
Attachments
Notice of Determination
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