Lopez 17800 Mines Road Onstream Reservoir and Remediation Project (Lake or Streambed Alteration Agreement No. EPIMS-ALA-38075-R3)


SCH Number
Public Agency
California Department of Fish and Wildlife, Bay Delta Region 3 (CDFW)
Document Title
Lopez 17800 Mines Road Onstream Reservoir and Remediation Project (Lake or Streambed Alteration Agreement No. EPIMS-ALA-38075-R3)
Document Type
NOE - Notice of Exemption
Document Description
The project is limited to 3 encroachments. The first encroachment is for the replacement of the existing spillway of the existing onstream pond. Work for this encroachment consists of removing the 8-inch corrugated discharge culvert and constructing an open rock slope protection (RSP) overflow that will direct spillway flow back into the original natural stream channel downstream of the pond embankment. Second encroachment is for the remediation of cannabis cultivation activities at three locations. Work for these locations consists of grading and stabilization of the disturbed areas and the implementation of yearly erosion control measures at each site. The final encroachment is associated with the remediation of fire debris from the former cabin and miscellaneous waste that pose a potential risk to the Upper Corral Creek Sub-watershed.

Contact Information

Kari Gahan
Agency Name
Job Title
Environmental Scientist
Contact Types
Lead/Public Agency


Northern California, San Francisco Bay Area
Other Location Info
The project is located at 17800 Mines Road Livermore CA 94550: Assessor’s Parcel Number (APN) 99A-2620-1, 99A-2620-5-18, and 263-230-020-000.

Notice of Exemption

Exempt Status
Categorical Exemption
Type, Section or Code
Class 33; California Code of Regulations, title 14, section (15333(a))
Reasons for Exemption
Small habitat restoration projects consists of projects not to exceed five acres in size to assure the maintenance, restoration, enhancement, or protection of habitat for fish, plants, or wildlife provided that: There would be no significant adverse impact on endangered, rare or threatened species or their habitat pursuant to section 15065.
County Clerk


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