Whole Foods Sinkhole Project
Summary
SCH Number
2021100501
Public Agency
California Regional Water Quality Control Board, San Francisco Bay Region 2
(RWQCB)
Document Title
Whole Foods Sinkhole Project
Document Type
NOE - Notice of Exemption
Received
Posted
10/26/2021
Document Description
The project will repair two existing culverts, which convey storm water runoff from the parking lot to the bank of Sutton Manor Creek. The culverts have deteriorated with age, developing sinkholes in the bank of Sutton Manor Creek. Upgrades include replacing 18 linear feet of 15-inch diameter corrugated metal pipe with 15-inch high density polyethylene pipe at the southern culvert and reinforcing an uneven joint between two reinforced concrete pipes at the northern culvert.
Contact Information
Name
Nicole Fairley
Agency Name
SF Bay Regional Water Board
Contact Types
Lead/Public Agency
Phone
Location
Coordinates
Cities
Mill Valley
Counties
Marin
Regions
San Francisco Bay Area
Cross Streets
E. Blithedale Avenue and Roque Moraes Drive
Zip
94941
Waterways
Sutton Manor Creek
Notice of Exemption
Exempt Status
Categorical Exemption
Type, Section or Code
15301 - Existing Facilities
Reasons for Exemption
Upgrades to two stormwater outfalls on Sutton Manor Creek to repair a sink hole and observed instabilities at the culvert joint to prevent further failures. Impacts to the environment will be avoided, minimized, and mitigated.
Attachments
Notice of Exemption
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