Henninger Flats Potable Water and Non-Potable Water Systems Refurbishment Project (Project)
Summary
SCH Number
2020020077
Public Agency
Los Angeles County
Document Title
Henninger Flats Potable Water and Non-Potable Water Systems Refurbishment Project (Project)
Document Type
NOE - Notice of Exemption
Received
Posted
2/4/2020
Document Description
The Project replaced the previous treatment plant with a new treatment plant
featuring a 30 gpm cartridge filtration system, automatic chlorination system, and storage tank recirculation pump; relining of two existing steel potable water storage tanks; replacement of 3,900 ft. of 2" raw water and ¾", 1 ", and 2" distribution system piping; and replacement of the existing 100 ft.2 treatment plant building with a new 200 ft. 2 treatment plant building. Infrastructure improvements were made to an onsite irrigation system that is separate from the potable water system and is not included in or covered by the drinking water permit.
Contact Information
Name
Sutida Bergquist
Agency Name
State Water Resources Control Board
Contact Types
Lead/Public Agency
Phone
Name
Agency Name
State Water Resources Control Board
Contact Types
Project Applicant
Location
Counties
Los Angeles
Other Location Info
3 miles beyond a locked gate at 2260 Pinecrest Dr., up Mt. Wilson Toll Rd. in Altadena
Notice of Exemption
Exempt Status
Categorical Exemption
Type, Section or Code
15301, 15302, 15303, 15304
Reasons for Exemption
The Project involves minor alterations as all new facilities under this project are located on publicly-owned land. The new treatment plant and piping are located on the same site as the previous treatment plant and piping and involves no expansion of use beyond the previously existing facilities.
Attachments
Notice of Exemption
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