City of St. Helena Routine Maintenance (Lake or Streambed Alteration Agreement No. 1600-2019- 0182-R3)


SCH Number
Public Agency
California Department of Fish and Wildlife, Bay Delta Region 3 (CDFW)
Document Title
City of St. Helena Routine Maintenance (Lake or Streambed Alteration Agreement No. 1600-2019- 0182-R3)
Document Type
NOE - Notice of Exemption
Document Description
The project is limited to routine maintenance activities within the City of St. Helena. Routine Maintenance is hereby defined as those activities that are periodically scheduled and implemented as necessary to maintain the water transport capacity of stream channels and maintain the structural and functioning integrity of existing flood control and sediment detention structures on or affecting streams. Maintenance activities which both parties agree may be considered “routine” are described in Attachment A. In brief summary, these activities include sediment and debris removal from existing culverts, bridges, storm drain outlets, water diversion structures, and ponds/lakes; minor vegetation removal, including limbing, trimming, and removal of trees; and inspections and water quality sampling at storm drain outfalls throughout the City of St. Helena.

Contact Information

Garrett Allen, Environmental Scientist
Agency Name
California Department of Fish and Wildlife
Contact Types
Lead/Public Agency

Agency Name
City of St. Helena
Contact Types
Project Applicant


St. Helena
San Francisco Bay Area
Sulphur Creek, Spring Creek, Bell Creek, York Creek, Napa River

Notice of Exemption

Exempt Status
Categorical Exemption
Type, Section or Code
Reasons for Exemption
The project consists of minor public or private alterations in the condition of land, water, and/or vegetation which do not involve the removal of healthy, mature, scenic trees except for forestry or agricultural purposes.


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