Marsh Creek State Historic Park Emergency Septic System Excavation and Repair
Summary
SCH Number
2026050996
Public Agency
California Department of Parks and Recreation
Document Title
Marsh Creek State Historic Park Emergency Septic System Excavation and Repair
Document Type
NOE - Notice of Exemption
Received
Posted
5/26/2026
Document Description
The purpose of this emergency repair project is to excavate and replace the failed septic tank and inlet pipe at Marsh Creek State Historic Park near the residence at Marsh Creek. Work used heavy equipment and hand tools by State Park staff to:
Excavate a failed septic tank and inlet pipe and install a new 1,250-gallon septic tank.
Replace 30-foot inlet pipe with black ABS plastic pipe and ensure the tank inlet is at the proper level to maintain the proper rise and run of the inflow and outflow.
Repair gray water system to connect to outflow system.
Backfill excavated area with sand and cap with non-native, clean capping soil already on sight.
Install new poly risers with covers to preserve the opening for maintenance.
Contact Information
Name
Diana Fong
Agency Name
California State Parks, Diablo Range District
Job Title
District Environmental Coordinator
Contact Types
Lead/Public Agency
Phone
Email
Location
Coordinates
Counties
Contra Costa
Regions
San Francisco Bay Area
Other Location Info
Marsh Creek State Historic Park
Notice of Exemption
Exempt Status
Emergency Project
Type, Section or Code
Sec. 21080(b)(4); 15269(b)(c)
Reasons for Exemption
Emergency repairs to publicly or privately owned service facilities necessary to maintain service essential to the public health, safety or welfare. Emergency repairs include those that require a reasonable amount of planning to address an anticipated emergency.
Attachments
Notice of Exemption
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