Zone 7 Mocho Groundwater Demineralization Plant

3 Documents in Project

Summary

SCH Number
2006022139
Lead Agency
Zone 7 Water Agency
Document Title
Zone 7 Mocho Groundwater Demineralization Plant
Document Type
NOD - Notice of Determination
Received
Posted
10/27/2008
Present Land Use
Public Safety / Public and Institutional

Document Description
The proposed project consists of construction and operation of a 7.7 mgd demineralization facility, located adjacent to Arroyo Mocho in the city of Pleasanton, California. The facility would treat potable supply from existing wells in the vicinity to help reduce total dissolved solids (TDS) levels in the area water supplies. Demineralization would occur through the use of an reverse osmosis treatment, producing finished water or permeate and concentrate with very high TDS levels. Zone 7 would blend permeate with other groundwater and/or surface water to achieve a target level of TDS. The concentrate from the treatment process would be discharged under special permit to the Dublin San Ramon Services District brine concentrate sewer, then to the Livermore Valley Water Management Agency sewer system, ultimately connecting to the existing East Bay Dischargers Authority outfall into the San Francisco Bay.

Contact Information
Mike Zanoli
California Department of Public Health
CDPH San Francisco District Office 850 Marina Bay Parkway, Bldg. P, 2nd Floor
Richmond, CA 94804-6403

Phone : (916) 650-6874

Location

Cities
Pleasanton
Counties
Alameda
Cross Streets
Stoneridge Drive and Santa Rita Road
State Highways
I-580
Schools
Fairlands ES
Waterways
Arroyo Mocho

Notice of Determination

Approving Agency
California Department of Public Health
Approving Agency Role
Responsible Agency
Approved On
Final Environmental Document Available at
CA Dept. of Public Health, Div. of Drinking Water and Environmental Management 850 Marina Bay Pkwy, Bldg. P, 2nd Floor Richmond, CA 94804-6403

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
No
(2b) A Negative Declaration was prepared for this project pursuant to the provisions of CEQA
Yes
(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
N/A
(5) A Statement of Overriding Considerations was adopted for this project
No
(6) Findings were made pursuant to the provisions of CEQA
N/A
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