Portola Redwoods Maintenance Shop Infiltrator System


SCH Number
Public Agency
California Department of Parks and Recreation
Document Title
Portola Redwoods Maintenance Shop Infiltrator System
Document Type
NOE - Notice of Exemption
Document Description
Install a new septic system to service the maintenance building at Portola Redwoods State Park to provide park employees with working restroom facilities. The existing, inoperable, septic system will be abandoned in place, and on the northeast side of the maintenance shop, work will: •Remove an existing, non-functioning, water heater shed; •Excavate an approx. 12-ft x 8-ft x 8-ft pit for the new tank and trench for inlet search to be connected by new pipe to building (approx. 667 cubic feet of soil); •Install 3-4 inches of sand in the bottom of the pit; •Install an approx. 9-ft x 5-ft x 4.5-ft (1,000 gallon) fiberglass septic tank; •Attach two (2) 18-inch-tall access extension to the tank to allow for tank cleaning; •Excavate a 3-ft x 1.5-ft x 50-ft trench and install 12, 5-ft infiltrator chambers; •Trench, as needed to install a new pipe connecting the septic tank and infiltrator chambers; •Backfill all trenches and other excavations with a combination of sand and previously excavated soil; and •Spread excess soil over site.

Contact Information

Linda Hitchcock
Agency Name
Department of Parks and Recreation
Job Title
Senior Park and Recreation Specialist
Contact Types
Lead/Public Agency


unincorporated area
San Mateo

Notice of Exemption

Exempt Status
Categorical Exemption
Type, Section or Code
15301, 15302, 15304
Reasons for Exemption
Project consists of operation, repair, and maintenance of minor alteration of existing public or private structures, facilities, mechanical equipment, or topographical features, involving negligible or no expansion of use beyond current levels, included as “utility repairs or minor upgrades” in the Department of Parks and Recreation’s list of exempt activities in accordance with CCR §15300.4; replacement or reconstruction of existing structures and facilities where the new structure will be located on the same site as the structure replaced and will have substantially the same purpose and capacity at the structure replaced; and consists of minor public or private alterations in the condition of land and/or vegetation which do not involve removal of healthy, mature, scenic trees.


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