Twin Oaks Valley Water Treatment Plant-Dissolved Air Flotation System Improvements

Summary

SCH Number
2019018374
Lead Agency
San Diego County Water Authority
Document Title
Twin Oaks Valley Water Treatment Plant-Dissolved Air Flotation System Improvements
Document Type
NOE - Notice of Exemption
Received
Posted
1/22/2019

Document Description
Modify existing clarifier basins (concrete tanks) and convert existing clarifier process to a dissolved air flotation (DAF) system. Activites include removing existing equipment and electrical items, removing internal concerte walls (baffles) and platforms, constructing new concrete walls (baffles) within existing basin, install new metal platforms and install new DAF systems equipment (such as high pressure air vessel (air drum), piping, skimmers) and electrical items.

Contact Information
Kelly Gage
San Diego County Water Authority
4677 Overland Avenue
San Diego, CA 92123-1233

Phone : (868) 522-6758

Location

Counties
San Diego
Other Location Info
City: N/A unincorporated area Specific: 3566 N. Twin Oaks Valley Road, San Marcos, CA 92069

Notice of Exemption

Exempt Status
Categorical Exemption
Type, Section or Code
class 1 15301; class 3 15303
Reasons for Exemption
The activity consists of minor alterations needed to convert the existing water clarifier to a DAF clarified system, resulting in no increase in water treatment plant's capacity or use beyond that existing at the time of this approval. therefore, this action is consistent with CEQA Guidelines 15301 and 15303.

Attachments

Notice of Exemption
2019018374   PDF 48 K

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